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• Openswan ipsec transport tunnel not going up

  - by gparent

  On ClusterA and B I have installed the "openswan" package on Debian Squeeze. ClusterA ip is 172.16.0.107, B is 172.16.0.108 When they ping one another, it does not reach the destination. /etc/ipsec.conf: version 2.0 # conforms to second version of ipsec.conf specification config setup protostack=netkey oe=off conn L2TP-PSK-CLUSTER type=transport left=172.16.0.107 right=172.16.0.108 auto=start ike=aes128-sha1-modp2048 authby=secret compress=yes /etc/ipsec.secrets: 172.16.0.107 172.16.0.108 : PSK "L2TPKEY" 172.16.0.108 172.16.0.107 : PSK "L2TPKEY" Here is the result of ipsec verify on both machines: root@cluster2:~# ipsec verify Checking your system to see if IPsec got installed and started correctly: Version check and ipsec on-path [OK] Linux Openswan U2.6.28/K2.6.32-5-amd64 (netkey) Checking for IPsec support in kernel [OK] NETKEY detected, testing for disabled ICMP send_redirects [OK] NETKEY detected, testing for disabled ICMP accept_redirects [OK] Checking that pluto is running [OK] Pluto listening for IKE on udp 500 [OK] Pluto listening for NAT-T on udp 4500 [FAILED] Checking for 'ip' command [OK] Checking for 'iptables' command [OK] Opportunistic Encryption Support [DISABLED] root@cluster2:~# This is the end of the output of ipsec auto --status: 000 "cluster": 172.16.0.108<172.16.0.108>[+S=C]...172.16.0.107<172.16.0.107>[+S=C]; prospective erouted; eroute owner: #0 000 "cluster": myip=unset; hisip=unset; 000 "cluster": ike_life: 3600s; ipsec_life: 28800s; rekey_margin: 540s; rekey_fuzz: 100%; keyingtries: 0 000 "cluster": policy: PSK+ENCRYPT+COMPRESS+PFS+UP+IKEv2ALLOW+lKOD+rKOD; prio: 32,32; interface: eth0; 000 "cluster": newest ISAKMP SA: #1; newest IPsec SA: #0; 000 "cluster": IKE algorithm newest: AES_CBC_128-SHA1-MODP2048 000 000 #3: "cluster":500 STATE_QUICK_R0 (expecting QI1); EVENT_CRYPTO_FAILED in 298s; lastdpd=-1s(seq in:0 out:0); idle; import:admin initiate 000 #2: "cluster":500 STATE_QUICK_I1 (sent QI1, expecting QR1); EVENT_RETRANSMIT in 13s; lastdpd=-1s(seq in:0 out:0); idle; import:admin initiate 000 #1: "cluster":500 STATE_MAIN_I4 (ISAKMP SA established); EVENT_SA_REPLACE in 2991s; newest ISAKMP; lastdpd=-1s(seq in:0 out:0); idle; import:admin initiate 000 Interestingly enough, if I do ike-scan on the server here's what happens: Doesn't seem to take my ike settings into account root@cluster1:~# ike-scan -M 172.16.0.108 Starting ike-scan 1.9 with 1 hosts (http://www.nta-monitor.com/tools/ike-scan/) 172.16.0.108 Main Mode Handshake returned HDR=(CKY-R=641bffa66ba717b6) SA=(Enc=3DES Hash=SHA1 Auth=PSK Group=2:modp1024 LifeType=Seconds LifeDuration(4)=0x00007080) VID=4f45517b4f7f6e657a7b4351 VID=afcad71368a1f1c96b8696fc77570100 (Dead Peer Detection v1.0) Ending ike-scan 1.9: 1 hosts scanned in 0.008 seconds (118.19 hosts/sec). 1 returned handshake; 0 returned notify root@cluster1:~# I can't tell what's going on here, this is pretty much the simplest config I can have according to the examples.

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• Openldap/Sasl/GSSAPI on Debian: Key table entry not found

  - by badbishop

  The goal: to make an OpenLDAP server to authenticate using Kerberos V via GSSAPI Setup: several virtual machines running on freshly installed/updated Debian Squeeze A master KDC server kdc.example.com A LDAP server, running OpenLDAP ldap.example.com The problem: tom@ldap:~$ ldapsearch -b 'dc=example,dc=com' SASL/GSSAPI authentication started ldap_sasl_interactive_bind_s: Other (e.g., implementation specific) error (80) additional info: SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (Key table entry not found) One might suggest to add that bloody keytab entry, but here's the real problem: ktutil: rkt /etc/ldap/ldap.keytab ktutil: list slot KVNO Principal ---- ---- --------------------------------------------------------------------- 1 2 ldap/[email protected] 2 2 ldap/[email protected] 3 2 ldap/[email protected] 4 2 ldap/[email protected] So, the entry as suggested by the OpenLDAP manual is there allright. Deleting and re-creating both service principal and the keytab on ldap.example.com didn't help, I get the same error. And before I make the keytab file readable by openldap, I get "Permission denied" error instead of the one in the subject. Which implies, that the right keytab file is being accessed, as set in /etc/default/slapd. I have my doubts about the following part of slapd config: root@ldap:~# cat /etc/ldap/slapd.d/cn\=config.ldif | grep -v "^#" dn: cn=config objectClass: olcGlobal cn: config olcArgsFile: /var/run/slapd/slapd.args olcLogLevel: 256 olcPidFile: /var/run/slapd/slapd.pid olcToolThreads: 1 structuralObjectClass: olcGlobal entryUUID: d6737f5c-d321-1030-9dbe-27d2a7751e11 olcSaslHost: kdc.example.com olcSaslRealm: EXAMPLE.COM olcSaslSecProps: noplain,noactive,noanonymous,minssf=56 olcAuthzRegexp: {0}"uid=([^/]*),cn=EXAMPLE.COM,cn=GSSAPI,cn=auth" "uid=$1,ou=People,dc=example,dc=com" olcAuthzRegexp: {1}"uid=host/([^/]*).example.com,cn=example.com,cn=gssapi,cn=auth" "cn=$1,ou=hosts,dc=example,dc=com" A HOWTO at https://help.ubuntu.com/community/OpenLDAPServer#Kerberos_Authentication mentiones vaguely: Also, it is frequently necessary to map the Distinguished Name (DN) of an authorized Kerberos client to an existing entry in the DIT. I fail to understand where in the tree this should be defined, what schema should be used, etc. After hours of googling, it's official: I'm stuck! Please, help. Other things checked: Kerberos as such works fine (I can ssh without using a password to any machine in this setup). That means there should be no DNS-related problems. ldapsearch -b 'dc=example,dc=com' -x works OK. SASL/GSSAPI has been tested using sasl-sample-server -m GSSAPI -s ldap and sasl-sample-client -s ldap -n ldap.example.com -u tom without errors: root@ldap:~# sasl-sample-server -m GSSAPI -s ldap Forcing use of mechanism GSSAPI Sending list of 1 mechanism(s) S: R1NTQVBJ Waiting for client mechanism... C: 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 'GSSAPI' Sending response... S: YIGZBgkqhkiG9xIBAgICAG+BiTCBhqADAgEFoQMCAQ+iejB4oAMCARKicQRvkxggi9pW+yJ1ExbTwLDclqw/VQ98aPq8mt39hkO6PPfcO2cB+t6vJ01xRKBrT9D2qF2XK0SWD4PQNb5UFbH4RM/bKAxDuCfZ1MHKgIWTLu4bK7VGZTbYydcckU2d910jIdvkkHhaRqUEM4cqp/cR Waiting for client reply... C: got '' Sending response... S: BQQF/wAMAAAAAAAAMBOWqQcACAAlCodrXW66ZObsEd4= Waiting for client reply... C: BQQE/wAMAAAAAAAAFUYbXQQACAB0b20VynB4uGH/iIzoRhw=got '?' Negotiation complete Username: tom Realm: (NULL) SSF: 56 sending encrypted message 'srv message 1' S: AAAASgUEB/8AAAAAAAAAADATlqrqrBW0NRfPMXMdMz+zqY32YakrHqFps3o/vO6yDeyPSaSqprrhI+t7owk7iOsbrZ/idJRxCBm8Wazx Waiting for encrypted message... C: AAAATQUEBv8AAAAAAAAAABVGG17WC1+/kIV9xTMUdq6Y4qYmmTahHVCjidgGchTOOOrBLEwA9IqiTCdRFPVbK1EgJ34P/vxMQpV1v4WZpcztgot '' recieved decoded message 'client message 1' root@ldap:~# sasl-sample-client -s ldap -n ldap.example.com -u tom service=ldap Waiting for mechanism list from server... S: R1NTQVBJrecieved 6 byte message Choosing best mechanism from: GSSAPI returning OK: tom Using mechanism GSSAPI Preparing initial. Sending initial response... C: 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 Waiting for server reply... S: YIGZBgkqhkiG9xIBAgICAG+BiTCBhqADAgEFoQMCAQ+iejB4oAMCARKicQRvkxggi9pW+yJ1ExbTwLDclqw/VQ98aPq8mt39hkO6PPfcO2cB+t6vJ01xRKBrT9D2qF2XK0SWD4PQNb5UFbH4RM/bKAxDuCfZ1MHKgIWTLu4bK7VGZTbYydcckU2d910jIdvkkHhaRqUEM4cqp/cRrecieved 156 byte message C: Waiting for server reply... S: BQQF/wAMAAAAAAAAMBOWqQcACAAlCodrXW66ZObsEd4=recieved 32 byte message Sending response... C: BQQE/wAMAAAAAAAAFUYbXQQACAB0b20VynB4uGH/iIzoRhw= Negotiation complete Username: tom SSF: 56 Waiting for encoded message... S: AAAASgUEB/8AAAAAAAAAADATlqrqrBW0NRfPMXMdMz+zqY32YakrHqFps3o/vO6yDeyPSaSqprrhI+t7owk7iOsbrZ/idJRxCBm8Wazxrecieved 78 byte message recieved decoded message 'srv message 1' sending encrypted message 'client message 1' C: AAAATQUEBv8AAAAAAAAAABVGG17WC1+/kIV9xTMUdq6Y4qYmmTahHVCjidgGchTOOOrBLEwA9IqiTCdRFPVbK1EgJ34P/vxMQpV1v4WZpczt

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• Linux policy routing - packets not coming back

  - by Bugsik

  i am trying to set up policy routing on my home server. My network looks like this: Host routed VPN gateway Internet link through VPN 192.168.0.35/24 ---> 192.168.0.5/24 ---> 192.168.0.1 DSL router 10.200.2.235/22 .... .... 10.200.0.1 VPN server The traffic from 192.168.0.32/27 should be and is routed through VPN. I wanted to define some routing policies to route some traffic from 192.168.0.5 through VPN as well - for start - from user with uid 2000. Policy routing is done using iptables mark target and ip rule fwmark. The problem: When connecting using user 2000 from 192.168.0.5 tcpdump shows outgoing packets, but nothing comes back. Traffic from 192.168.0.35 works fine (here I am not using fwmark but src policy). Here is my VPN gateway setup: # uname -a Linux placebo 3.2.0-34-generic #53-Ubuntu SMP Thu Nov 15 10:49:02 UTC 2012 i686 i686 i386 GNU/Linux # iptables -V iptables v1.4.12 # ip -V ip utility, iproute2-ss111117 IPtables rules (all policies in table filter are ACCEPT) # iptables -t mangle -nvL Chain PREROUTING (policy ACCEPT 770K packets, 314M bytes) pkts bytes target prot opt in out source destination Chain INPUT (policy ACCEPT 767K packets, 312M bytes) pkts bytes target prot opt in out source destination Chain FORWARD (policy ACCEPT 5520 packets, 1920K bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 782K packets, 901M bytes) pkts bytes target prot opt in out source destination 74 4707 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 2000 MARK set 0x3 Chain POSTROUTING (policy ACCEPT 788K packets, 903M bytes) pkts bytes target prot opt in out source destination # iptables -t nat -nvL Chain PREROUTING (policy ACCEPT 996 packets, 51172 bytes) pkts bytes target prot opt in out source destination Chain INPUT (policy ACCEPT 7 packets, 432 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 1364 packets, 112K bytes) pkts bytes target prot opt in out source destination Chain POSTROUTING (policy ACCEPT 2302 packets, 160K bytes) pkts bytes target prot opt in out source destination 119 7588 MASQUERADE all -- * vpn 0.0.0.0/0 0.0.0.0/0 Routing: # ip addr show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master lan state UNKNOWN qlen 1000 link/ether 00:40:63:f9:c3:8f brd ff:ff:ff:ff:ff:ff valid_lft forever preferred_lft forever 3: lan: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 00:40:63:f9:c3:8f brd ff:ff:ff:ff:ff:ff inet 192.168.0.5/24 brd 192.168.0.255 scope global lan inet6 fe80::240:63ff:fef9:c38f/64 scope link valid_lft forever preferred_lft forever 4: vpn: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 100 link/none inet 10.200.2.235/22 brd 10.200.3.255 scope global vpn # ip rule show 0: from all lookup local 32764: from all fwmark 0x3 lookup VPN 32765: from 192.168.0.32/27 lookup VPN 32766: from all lookup main 32767: from all lookup default # ip route show table VPN default via 10.200.0.1 dev vpn 10.200.0.0/22 dev vpn proto kernel scope link src 10.200.2.235 192.168.0.0/24 dev lan proto kernel scope link src 192.168.0.5 # ip route show default via 192.168.0.1 dev lan metric 100 10.200.0.0/22 dev vpn proto kernel scope link src 10.200.2.235 192.168.0.0/24 dev lan proto kernel scope link src 192.168.0.5 TCP dump showing no traffic coming back when connection is made from 192.168.0.5 user 2000 # tcpdump -i vpn tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on vpn, link-type RAW (Raw IP), capture size 65535 bytes ### Traffic from user 2000 on 192.168.0.5 ### 10:19:05.629985 IP 10.200.2.235.37291 > 10.100-78-194.akamai.com.http: Flags [S], seq 2868799562, win 14600, options [mss 1460,sackOK,TS val 6887764 ecr 0,nop,wscale 4], length 0 10:19:21.678001 IP 10.200.2.235.37291 > 10.100-78-194.akamai.com.http: Flags [S], seq 2868799562, win 14600, options [mss 1460,sackOK,TS val 6891776 ecr 0,nop,wscale 4], length 0 ### Traffic from 192.168.0.35 ### 10:23:12.066174 IP 10.200.2.235.49247 > 10.100-78-194.akamai.com.http: Flags [S], seq 2294159276, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 557451322 ecr 0,sackOK,eol], length 0 10:23:12.265640 IP 10.100-78-194.akamai.com.http > 10.200.2.235.49247: Flags [S.], seq 2521908813, ack 2294159277, win 14480, options [mss 1367,sackOK,TS val 388565772 ecr 557451322,nop,wscale 1], length 0 10:23:12.276573 IP 10.200.2.235.49247 > 10.100-78-194.akamai.com.http: Flags [.], ack 1, win 8214, options [nop,nop,TS val 557451534 ecr 388565772], length 0 10:23:12.293030 IP 10.200.2.235.49247 > 10.100-78-194.akamai.com.http: Flags [P.], seq 1:480, ack 1, win 8214, options [nop,nop,TS val 557451552 ecr 388565772], length 479 10:23:12.574773 IP 10.100-78-194.akamai.com.http > 10.200.2.235.49247: Flags [.], ack 480, win 7776, options [nop,nop,TS val 388566081 ecr 557451552], length 0

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• WIN32_NetworkAdapterConfiguration does not report IP from PPP adapter

  - by Michael

  On a Windows 7 device, the following WMI query does not report back an enabled PPP adapter: Select Index,MACAddress,IPAddress,IPSubnet,DefaultIPGateway,DNSServerSearchOrder from Win32_NetworkAdapterConfiguration where IPEnabled=true Where ipconfig gives you all the information correctly: Windows IP Configuration PPP adapter XYZ VPN: Connection-specific DNS Suffix . : IPv4 Address. . . . . . . . . . . : 123.456.789.123 Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : 0.0.0.0 Wireless LAN adapter Wireless Network Connection: Connection-specific DNS Suffix . : IPv4 Address. . . . . . . . . . . : 192.168.178.11 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.178.1 Ethernet adapter Local Area Connection 3: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Any ideas how I can script this by using WMI or VBS?

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• ubuntu ssh does not connect

  - by bocca

  SSH won't be able to establish a connection to our server Here's the output of ssh -vvv: ssh -v -v -v 11.11.11.11 OpenSSH_5.1p1 Debian-6ubuntu2, OpenSSL 0.9.8g 19 Oct 2007 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to 11.11.11.11 [11.11.11.11] port 22. debug1: Connection established. debug1: permanently_set_uid: 0/0 debug1: identity file /root/.ssh/identity type -1 debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5ubuntu1 debug1: match: OpenSSH_5.1p1 Debian-5ubuntu1 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.1p1 Debian-6ubuntu2 debug2: fd 3 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[email protected],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[email protected],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[email protected],zlib debug2: kex_parse_kexinit: none,[email protected],zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[email protected],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[email protected],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[email protected] debug2: kex_parse_kexinit: none,[email protected] debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_setup: found hmac-md5 debug1: kex: server->client aes128-cbc hmac-md5 none debug2: mac_setup: found hmac-md5 debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug2: dh_gen_key: priv key bits set: 133/256 debug2: bits set: 486/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug3: check_host_in_hostfile: filename /root/.ssh/known_hosts debug3: check_host_in_hostfile: match line 1 debug1: Host '11.11.11.11' is known and matches the RSA host key. debug1: Found key in /root/.ssh/known_hosts:1 debug2: bits set: 497/1024 debug1: ssh_rsa_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /root/.ssh/identity ((nil)) debug2: key: /root/.ssh/id_rsa ((nil)) debug2: key: /root/.ssh/id_dsa ((nil)) debug1: Authentications that can continue: publickey,password debug3: start over, passed a different list publickey,password debug3: preferred gssapi-keyex,gssapi-with-mic,gssapi,publickey,keyboard-interactive,password debug3: authmethod_lookup publickey debug3: remaining preferred: keyboard-interactive,password debug3: authmethod_is_enabled publickey debug1: Next authentication method: publickey debug1: Trying private key: /root/.ssh/identity debug3: no such identity: /root/.ssh/identity debug1: Trying private key: /root/.ssh/id_rsa debug3: no such identity: /root/.ssh/id_rsa debug1: Trying private key: /root/.ssh/id_dsa debug3: no such identity: /root/.ssh/id_dsa debug2: we did not send a packet, disable method debug3: authmethod_lookup password debug3: remaining preferred: ,password debug3: authmethod_is_enabled password debug1: Next authentication method: password [email protected]'s password: debug3: packet_send2: adding 64 (len 57 padlen 7 extra_pad 64) debug2: we sent a password packet, wait for reply debug1: Authentication succeeded (password). debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Requesting [email protected] debug1: Entering interactive session. debug2: callback start debug2: client_session2_setup: id 0 debug2: channel 0: request pty-req confirm 1 debug3: tty_make_modes: ospeed 38400 debug3: tty_make_modes: ispeed 38400 debug1: Sending environment. debug3: Ignored env ORBIT_SOCKETDIR debug3: Ignored env SSH_AGENT_PID debug3: Ignored env SHELL debug3: Ignored env TERM debug3: Ignored env XDG_SESSION_COOKIE debug3: Ignored env GTK_RC_FILES debug3: Ignored env WINDOWID debug3: Ignored env USER debug3: Ignored env LS_COLORS debug3: Ignored env GNOME_KEYRING_SOCKET debug3: Ignored env SSH_AUTH_SOCK debug3: Ignored env USERNAME debug3: Ignored env SESSION_MANAGER debug3: Ignored env MAIL debug3: Ignored env PATH debug3: Ignored env DESKTOP_SESSION debug3: Ignored env PWD debug3: Ignored env GDM_KEYBOARD_LAYOUT debug3: Ignored env GNOME_KEYRING_PID debug1: Sending env LANG = en_CA.UTF-8 debug2: channel 0: request env confirm 0 debug3: Ignored env GDM_LANG debug3: Ignored env GDMSESSION debug3: Ignored env HISTCONTROL debug3: Ignored env SPEECHD_PORT debug3: Ignored env HOME debug3: Ignored env SHLVL debug3: Ignored env GNOME_DESKTOP_SESSION_ID debug3: Ignored env LOGNAME debug3: Ignored env XDG_DATA_DIRS debug3: Ignored env DBUS_SESSION_BUS_ADDRESS debug3: Ignored env LESSOPEN debug3: Ignored env DISPLAY debug3: Ignored env LESSCLOSE debug3: Ignored env XAUTHORITY debug3: Ignored env COLORTERM debug3: Ignored env _ debug2: channel 0: request shell confirm 1 debug2: fd 3 setting TCP_NODELAY debug2: callback done debug2: channel 0: open confirm rwindow 0 rmax 32768 debug2: channel_input_confirm: type 99 id 0 debug2: PTY allocation request accepted on channel 0 debug2: channel 0: rcvd adjust 2097152 debug2: channel_input_confirm: type 99 id 0 debug2: shell request accepted on channel 0

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• Screen -X exec commands not working until manually attached

  - by James Watt

  I have a batch script that starts a java server application inside of a screen. The command looks like this: cd /dir/ && screen -A -m -d -S javascreen java -Xms640M -Xmx1024M -jar javaserverapp.jar nogui After I run the batch script, it starts the server and puts it inside the correct screen. If I list my screens after, I see something like this: user@gtwy /dir $ screen -list There is a screen on: 16180.javascreen (Detached) 1 Socket in /var/run/screen/S-user. However, I have a second batch script that sends automated commands to this server and runs on a different crontab interval. Because of the way the application works, I send commands to it like this (this command tells it to alert connected users "testing 123"): screen -X exec .\!\! echo say testing 123 I've also tried: screen -R -X exec .\!\! echo say testing 123 screen -S javascreen -X exec .\!\! echo say testing 123 Unfortunately, these commands DO NOT WORK. They don't even give me an error message, they just do nothing. HOWEVER - If I manually attach to the screen first (with the below command) and then detach, now I can run any of the above commands flawlessly. I can demonstrate this with a video, if I wasn't clear enough here. screen -r -d Thanks in advance. Update: here is the important parts of /etc/screenrc. It should be totally vanilla, I've never edited this file. # VARIABLES # =============================================================== # No annoying audible bell, using "visual bell" # vbell on # default: off # vbell_msg " -- Bell,Bell!! -- " # default: "Wuff,Wuff!!" # Automatically detach on hangup. autodetach on # default: on # Don't display the copyright page startup_message off # default: on # Uses nethack-style messages # nethack on # default: off # Affects the copying of text regions crlf off # default: off # Enable/disable multiuser mode. Standard screen operation is singleuser. # In multiuser mode the commands acladd, aclchg, aclgrp and acldel can be used # to enable (and disable) other user accessing this screen session. # Requires suid-root. multiuser off # Change default scrollback value for new windows defscrollback 1000 # default: 100 # Define the time that all windows monitored for silence should # wait before displaying a message. Default 30 seconds. silencewait 15 # default: 30 # bufferfile: The file to use for commands # "readbuf" ('<') and "writebuf" ('>'): bufferfile $HOME/.screen_exchange # # hardcopydir: The directory which contains all hardcopies. # hardcopydir ~/.hardcopy # hardcopydir ~/.screen # # shell: Default process started in screen's windows. # Makes it possible to use a different shell inside screen # than is set as the default login shell. # If begins with a '-' character, the shell will be started as a login shell. # shell zsh # shell bash # shell ksh shell -$SHELL # shellaka '> |tcsh' # shelltitle '$ |bash' # emulate .logout message pow_detach_msg "Screen session of \$LOGNAME \$:cr:\$:nl:ended." # caption always " %w --- %c:%s" # caption always "%3n %t%? @%u%?%? [%h]%?%=%c" # advertise hardstatus support to $TERMCAP # termcapinfo * '' 'hs:ts=\E_:fs=\E\\:ds=\E_\E\\' # set every new windows hardstatus line to somenthing descriptive # defhstatus "screen: ^En (^Et)" # don't kill window after the process died # zombie "^["

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• rsyslogd not monitoring all files

  - by Tom O'Connor

  So.. I've installed Logstash, and instead of using the logstash shipper (because it needs the JVM and is generally massive), I'm using rsyslogd with the following configuration. # Use traditional timestamp format $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat $IncludeConfig /etc/rsyslog.d/*.conf # Provides kernel logging support (previously done by rklogd) $ModLoad imklog # Provides support for local system logging (e.g. via logger command) $ModLoad imuxsock # Log all kernel messages to the console. # Logging much else clutters up the screen. #kern.* /dev/console # Log anything (except mail) of level info or higher. # Don't log private authentication messages! *.info;mail.none;authpriv.none;cron.none;local6.none /var/log/messages # The authpriv file has restricted access. authpriv.* /var/log/secure # Log all the mail messages in one place. mail.* -/var/log/maillog # Log cron stuff cron.* /var/log/cron # Everybody gets emergency messages *.emerg * # Save news errors of level crit and higher in a special file. uucp,news.crit /var/log/spooler # Save boot messages also to boot.log local7.* /var/log/boot.log In /etc/rsyslog.d/logstash.conf there are 28 file monitor blocks using imfile $ModLoad imfile # Load the imfile input module $ModLoad imklog # for reading kernel log messages $ModLoad imuxsock # for reading local syslog messages $InputFileName /var/log/rabbitmq/startup_err $InputFileTag rmq-err: $InputFileStateFile state-rmq-err $InputFileFacility local6 $InputRunFileMonitor .... $InputFileName /var/log/some.other.custom.log $InputFileTag cust-log: $InputFileStateFile state-cust-log $InputFileFacility local6 $InputRunFileMonitor .... *.* @@10.90.0.110:5514 There are 28 InputFileMonitor blocks, each monitoring a different custom application logfile.. If I run [root@secret-gm02 ~]# lsof|grep rsyslog rsyslogd 5380 root cwd DIR 253,0 4096 2 / rsyslogd 5380 root rtd DIR 253,0 4096 2 / rsyslogd 5380 root txt REG 253,0 278976 1015955 /sbin/rsyslogd rsyslogd 5380 root mem REG 253,0 58400 1868123 /lib64/libgcc_s-4.1.2-20080825.so.1 rsyslogd 5380 root mem REG 253,0 144776 1867778 /lib64/ld-2.5.so rsyslogd 5380 root mem REG 253,0 1718232 1867780 /lib64/libc-2.5.so rsyslogd 5380 root mem REG 253,0 23360 1867787 /lib64/libdl-2.5.so rsyslogd 5380 root mem REG 253,0 145872 1867797 /lib64/libpthread-2.5.so rsyslogd 5380 root mem REG 253,0 85544 1867815 /lib64/libz.so.1.2.3 rsyslogd 5380 root mem REG 253,0 53448 1867801 /lib64/librt-2.5.so rsyslogd 5380 root mem REG 253,0 92816 1868016 /lib64/libresolv-2.5.so rsyslogd 5380 root mem REG 253,0 20384 1867990 /lib64/rsyslog/lmnsd_ptcp.so rsyslogd 5380 root mem REG 253,0 53880 1867802 /lib64/libnss_files-2.5.so rsyslogd 5380 root mem REG 253,0 23736 1867800 /lib64/libnss_dns-2.5.so rsyslogd 5380 root mem REG 253,0 20768 1867988 /lib64/rsyslog/lmnet.so rsyslogd 5380 root mem REG 253,0 11488 1867982 /lib64/rsyslog/imfile.so rsyslogd 5380 root mem REG 253,0 24040 1867983 /lib64/rsyslog/imklog.so rsyslogd 5380 root mem REG 253,0 11536 1867987 /lib64/rsyslog/imuxsock.so rsyslogd 5380 root mem REG 253,0 13152 1867989 /lib64/rsyslog/lmnetstrms.so rsyslogd 5380 root mem REG 253,0 8400 1867992 /lib64/rsyslog/lmtcpclt.so rsyslogd 5380 root 0r REG 0,3 0 4026531848 /proc/kmsg rsyslogd 5380 root 1u IPv4 1200589517 0t0 TCP 10.10.10.90 t:40629->10.10.10.90:5514 (ESTABLISHED) rsyslogd 5380 root 2u IPv4 1200589527 0t0 UDP *:45801 rsyslogd 5380 root 3w REG 253,3 17999744 2621483 /var/log/messages rsyslogd 5380 root 4w REG 253,3 13383 2621484 /var/log/secure rsyslogd 5380 root 5w REG 253,3 7180 2621493 /var/log/maillog rsyslogd 5380 root 6w REG 253,3 43321 2621529 /var/log/cron rsyslogd 5380 root 7w REG 253,3 0 2621494 /var/log/spooler rsyslogd 5380 root 8w REG 253,3 0 2621495 /var/log/boot.log rsyslogd 5380 root 9r REG 253,3 1064271998 2621464 /var/log/custom-application.monolog.log rsyslogd 5380 root 10u unix 0xffff81081fad2e40 0t0 1200589511 /dev/log You can see that there are nowhere near 28 logfiles actually being read. I really had to get one file monitored, so I moved it to the top, and it picked it up, but I'd like to be able to monitor all 28+ files, and not have to worry. OS is Centos 5.5 Kernel 2.6.18-308.el5 rsyslogd 3.22.1, compiled with: FEATURE_REGEXP: Yes FEATURE_LARGEFILE: Yes FEATURE_NETZIP (message compression): Yes GSSAPI Kerberos 5 support: Yes FEATURE_DEBUG (debug build, slow code): No Atomic operations supported: Yes Runtime Instrumentation (slow code): No Questions: Why is rsyslogd only monitoring a very small subset of the files? How can I fix this so that all the files are monitored?

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• ServerAlias not working

  - by Janis Peisenieks

  I have a VPS, that I have configured to host multiple websites with name based hosting. It is all good while only using example.com, and www.example.com. It also works with example.net, but when I try example.net, it reverts to my default site configuration, which just shows my default (empty) index.html page. Here's the default file: <VirtualHost *:80> ServerAdmin webmaster@localhost DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> </VirtualHost> Here's a configuration for the example.com site: <VirtualHost *:80> ServerAdmin [email protected] ServerName example.com ServerAlias www.example.com DocumentRoot /srv/www/example.com/public_html/ ErrorLog /srv/www/example.com/logs/error.log CustomLog /srv/www/example.com/logs/access.log combined <Directory /srv/www/example.com/public_html/> AllowOverride All Order allow,deny allow from all </Directory> </VirtualHost> And here is the config for the example.net site: <VirtualHost *:80> ServerAdmin [email protected] ServerName example.net ServerAlias www.example.net DocumentRoot /srv/www/example.net/public_html/ ErrorLog /srv/www/example.net/logs/error.log CustomLog /srv/www/example.net/logs/access.log combined <Directory /srv/www/example.net/public_html/> AllowOverride All Order allow,deny allow from all </Directory> </VirtualHost> Where could the problem be? I believe, that there is something going wrong with the ServerAlias property. Could it be because of the way the site's are built? Because example.com is a Joomla site, and example.net is a Zend Framework site. Just in case, I'll also insert the .htaccess files for example.net, since example.com has it's disabled: example.net: SetEnv APPLICATION_ENV development RewriteRule ^(browse|config).* - [L] ErrorDocument 500 /error-docs/500.shtml SetEnv CACHE_OFFSET 2678400 <FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|js|css|swf)$"> Header set Expires "Fri, 25 Sep 2037 19:30:32 GMT" Header unset ETag FileETag None </FilesMatch> RewriteEngine On RewriteRule ^(adm|statistics) - [L] RewriteRule ^/public/(.*)$ http://example.net/$1 [R] RewriteRule ^(.*)$ public/$1 [L] Any help would be greatly appreciated! Edit So that my question is ABSOLUTELY clear: The problem is, that one site works with both www prefix as well as without it, and the second one does not. I would like to know how to enable the second site to work with www prefix as well.

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• MongoDB Crashed,Not able to start it again

  - by Kevin Parker

  Mongodb fail to start after showing this error...and not able to start it again..?Can u help me find out? *** glibc detected *** /usr/lib/mongodb/mongo: corrupted double-linked list: 0x000000000f750b50 *** Mon Nov 26 19:01:29 mongo got signal 11 (Segmentation fault), stack trace: ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x788d6)[0x2b2db94198d6] /lib/x86_64-linux-gnu/libc.so.6(+0x7a841)[0x2b2db941b841] /lib/x86_64-linux-gnu/libc.so.6(cfree+0x73)[0x2b2db941f603] /usr/lib/mongodb/mongo(_ZN5boost6detail17sp_counted_impl_pIN5mongo7BSONObj6HolderEE7disposeEv+0x12)[0x45bd92] /usr/lib/mongodb/mongo(_ZN5boost6detail12shared_countD2Ev+0x49)[0x45d319] /lib/x86_64-linux-gnu/libc.so.6(exit+0xe1)[0x2b2db93da961] /usr/lib/mongodb/mongo(_Z10quitNicelyi+0x53)[0x458043] /lib/x86_64-linux-gnu/libpthread.so.0(+0xfc60)[0x2b2db753fc60] /lib/x86_64-linux-gnu/libc.so.6(kill+0x7)[0x2b2db93d4fe7] /lib/libreadline.so.6(+0x25888)[0x2b2db889b888] /lib/libreadline.so.6(rl_getc+0x5e)[0x2b2db889d9de] /lib/libreadline.so.6(rl_read_key+0xf8)[0x2b2db889e0c8] /lib/libreadline.so.6(readline_internal_char+0x61)[0x2b2db8889061] /lib/libreadline.so.6(readline+0x55)[0x2b2db88895b5] /usr/lib/mongodb/mongo(_Z13shellReadlinePKci+0x8a)[0x45694a] /usr/lib/mongodb/mongo(_Z5_mainiPPc+0x1506)[0x45a1a6] /usr/lib/mongodb/mongo(main+0x26)[0x45b1d6] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xff)[0x2b2db93bfeff] /usr/lib/mongodb/mongo[0x456449] ======= Memory map: ======== 00400000-0055c000 r-xp 00000000 fd:03 32385496 /usr/lib/mongodb/mongo 0075c000-00762000 r--p 0015c000 fd:03 32385496 /usr/lib/mongodb/mongo 00762000-00765000 rw-p 00162000 fd:03 32385496 /usr/lib/mongodb/mongo 00765000-00767000 rw-p 00765000 00:00 0 0f74e000-0f961000 rw-p 0f74e000 00:00 0 [heap] 2b2db730d000-2b2db732e000 r-xp 00000000 fd:03 32112840 /lib/x86_64-linux-gnu/ld-2.13.so 2b2db732e000-2b2db7331000 rw-p 2b2db732e000 00:00 0 2b2db7331000-2b2db7351000 rwxp 2b2db7331000 00:00 0 2b2db752d000-2b2db752e000 r--p 00020000 fd:03 32112840 /lib/x86_64-linux-gnu/ld-2.13.so 2b2db752e000-2b2db7530000 rw-p 00021000 fd:03 32112840 /lib/x86_64-linux-gnu/ld-2.13.so 2b2db7530000-2b2db7548000 r-xp 00000000 fd:03 32112843 /lib/x86_64-linux-gnu/libpthread-2.13.so 2b2db7548000-2b2db7748000 ---p 00018000 fd:03 32112843 /lib/x86_64-linux-gnu/libpthread-2.13.so 2b2db7748000-2b2db7749000 r--p 00018000 fd:03 32112843 /lib/x86_64-linux-gnu/libpthread-2.13.so 2b2db7749000-2b2db774a000 rw-p 00019000 fd:03 32112843 /lib/x86_64-linux-gnu/libpthread-2.13.so 2b2db774a000-2b2db774e000 rw-p 2b2db774a000 00:00 0 2b2db774e000-2b2db7836000 r-xp 00000000 fd:03 32380634 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.14 2b2db7836000-2b2db7a35000 ---p 000e8000 fd:03 32380634 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.14 2b2db7a35000-2b2db7a3d000 r--p 000e7000 fd:03 32380634 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.14 2b2db7a3d000-2b2db7a3f000 rw-p 000ef000 fd:03 32380634 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.14 2b2db7a3f000-2b2db7a55000 rw-p 2b2db7a3f000 00:00 0 2b2db7a55000-2b2db7a58000 r-xp 00000000 fd:03 32244866 /usr/lib/libboost_system.so.1.42.0 2b2db7a58000-2b2db7c57000 ---p 00003000 fd:03 32244866 /usr/lib/libboost_system.so.1.42.0 2b2db7c57000-2b2db7c58000 r--p 00002000 fd:03 32244866 /usr/lib/libboost_system.so.1.42.0 2b2db7c58000-2b2db7c59000 rw-p 00003000 fd:03 32244866 /usr/lib/libboost_system.so.1.42.0 2b2db7c59000-2b2db7c6d000 r-xp 00000000 fd:03 32244882 /usr/lib/libboost_thread.so.1.42.0 2b2db7c6d000-2b2db7e6c000 ---p 00014000 fd:03 32244882 /usr/lib/libboost_thread.so.1.42.0 2b2db7e6c000-2b2db7e6e000 r--p 00013000 fd:03 32244882 /usr/lib/libboost_thread.so.1.42.0 2b2db7e6e000-2b2db7e6f000 rw-p 00015000 fd:03 32244882 /usr/lib/libboost_thread.so.1.42.0 2b2db7e6f000-2b2db7e83000 r-xp 00000000 fd:03 32244880 /usr/lib/libboost_filesystem.so.1.42.0 2b2db7e83000-2b2db8082000 ---p 00014000 fd:03 32244880 Mon Nov 26 19:01:29 mongo got signal 6 (Aborted), stack trace: Mon Nov 26 19:01:29 0x45e03f 0x457694 0x2b2db93d4d80 0x2b2db93d4d05 0x2b2db93d8ab6 0x2b2db940fa9b 0x2b2db94198d6 0x2b2db941b841 0x2b2db941f603 0x45bd92 0x45d319 0x2b2db93da961 0x458043 0x2b2db753fc60 0x2b2db93d4fe7 0x2b2db889b888 0x2b2db889d9de 0x2b2db889e0c8 0x2b2db8889061 0x2b2db88895b5 /usr/lib/mongodb/mongo(_ZN5mongo15printStackTraceERSo+0x1f) [0x45e03f] /usr/lib/mongodb/mongo(_Z12quitAbruptlyi+0x324) [0x457694] /lib/x86_64-linux-gnu/libc.so.6(+0x33d80) [0x2b2db93d4d80] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35) [0x2b2db93d4d05] /lib/x86_64-linux-gnu/libc.so.6(abort+0x186) [0x2b2db93d8ab6] /lib/x86_64-linux-gnu/libc.so.6(+0x6ea9b) [0x2b2db940fa9b] /lib/x86_64-linux-gnu/libc.so.6(+0x788d6) [0x2b2db94198d6] /lib/x86_64-linux-gnu/libc.so.6(+0x7a841) [0x2b2db941b841] /lib/x86_64-linux-gnu/libc.so.6(cfree+0x73) [0x2b2db941f603] /usr/lib/mongodb/mongo(_ZN5boost6detail17sp_counted_impl_pIN5mongo7BSONObj6HolderEE7disposeEv+0x12) [0x45bd92] /usr/lib/mongodb/mongo(_ZN5boost6detail12shared_countD2Ev+0x49) [0x45d319] /lib/x86_64-linux-gnu/libc.so.6(exit+0xe1) [0x2b2db93da961] /usr/lib/mongodb/mongo(_Z10quitNicelyi+0x53) [0x458043] /lib/x86_64-linux-gnu/libpthread.so.0(+0xfc60) [0x2b2db753fc60] /lib/x86_64-linux-gnu/libc.so.6(kill+0x7) [0x2b2db93d4fe7] /lib/libreadline.so.6(+0x25888) [0x2b2db889b888] /lib/libreadline.so.6(rl_getc+0x5e) [0x2b2db889d9de] /lib/libreadline.so.6(rl_read_key+0xf8) [0x2b2db889e0c8] /lib/libreadline.so.6(readline_internal_char+0x61) [0x2b2db8889061] /lib/libreadline.so.6(readline+0x55) [0x2b2db88895b5] Any One have any idea?Why MongoDb Crashed? OS:ubuntu 11.04 2.6.32-pony6-3 RAM:2 GB

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• Server currently under DDOS, not sure what to do

  - by Volex

  My web server is currently under a DDOS attack I believe, the messages log is full of these kind of messages: May 13 15:51:19 kernel: nf_conntrack: table full, dropping packet. May 13 15:51:19 last message repeated 9 times May 13 15:51:24 kernel: __ratelimit: 78 callbacks suppressed May 13 15:51:24 kernel: nf_conntrack: table full, dropping packet. May 13 15:52:06 kernel: possible SYN flooding on port 80. Sending cookies. and a netstat has a huge amount of the following: tcp 0 0 my.host.com:http bb176da0.virtua.com.br:4998 SYN_RECV tcp 0 0 my.host.com:http 187.0.43.109:2694 SYN_RECV tcp 0 0 my.host.com:http 109.229.4.145:1722 SYN_RECV tcp 0 0 my.host.com:http 189-84-163-244.sodobr:63267 SYN_RECV tcp 0 0 my.host.com:http bd66839d.virtua.com.br:3469 SYN_RECV tcp 0 0 my.host.com:http 69.101.56.190.dsl.int:52552 SYN_RECV tcp 0 0 my.host.com:http pc-62-230-47-190.cm.vt:2262 SYN_RECV tcp 0 0 my.host.com:http 189-84-163-244.sodobr:63418 SYN_RECV tcp 0 0 my.host.com:http pc-62-230-47-190.cm.vt:1741 SYN_RECV tcp 0 0 my.host.com:http zaq3d739320.zaq.ne.jp:2141 SYN_RECV tcp 0 0 my.host.com:http netacc-gpn-4-80-73.po:52676 SYN_RECV tcpdump shows: 7:11:08.564510 IP 187-4-1xx-4.xxx.ipd.brasiltelecom.net.br.54821 > my.host.com.http: S 999692166:999692166(0) win 65535 <mss 1452,nop,nop,sackOK> 17:11:08.566347 IP 114-44-171-67.dynamic.hinet.net.1129 > my.host.com.http: S 605369055:605369055(0) win 65535 <mss 1440,nop,nop,sackOK> 17:11:08.570210 IP 200-101-13-130.pvoce300.ipd.brasiltelecom.net.br.5590 > my.host.com.http: S 2813379182:2813379182(0) win 16384 <mss 1460,nop,nop,sackOK> 17:11:08.571290 IP dsl-189-143-30-99-dyn.prod-infinitum.com.mx.1615 > my.host.com.http: S 281542700:281542700(0) win 65535 <mss 1452,nop,nop,sackOK> 17:11:08.583847 IP dsl-189-143-30-99-dyn.prod-infinitum.com.mx.1617 > my.host.com.http: S 499413892:499413892(0) win 65535 <mss 1452,nop,nop,sackOK> 17:11:08.588680 IP 170.51.229.112.2569 > my.host.com.http: S 2195084898:2195084898(0) win 65535 <mss 1460,nop,nop,sackOK> 17:11:08.588773 IP gw2-1.211.ru.3180 > my.host.com.http: F 2315901786:2315901786(0) ack 2620913033 win 64240 17:11:08.590656 IP 200-101-13-130.pvoce300.ipd.brasiltelecom.net.br.5614 > my.host.com.http: S 2813715032:2813715032(0) win 16384 <mss 1460,nop,nop,sackOK> 17:11:08.591212 IP 203.82.82.54.15848 > my.host.com.http: S 4070423507:4070423507(0) win 16384 <mss 1400,nop,nop,sackOK> 17:11:08.591254 IP 203.82.82.54.2545 > my.host.com.http: S 1790910784:1790910784(0) win 16384 <mss 1400,nop,nop,sackOK> 17:11:08.591289 IP 203.82.82.54.28306 > my.host.com.http: S 578615626:578615626(0) win 16384 <mss 1400,nop,nop,sackOK> 17:11:08.591591 IP gw2-1.211.ru.3191 > my.host.com.http: F 2316435991:2316435991(0) ack 2634205972 win 64240 17:11:08.591790 IP 200-101-13-130.pvoce300.ipd.brasiltelecom.net.br.5593 > my.host.com.http: S 2813659017:2813659017(0) win 16384 <mss 1460,nop,nop,sackOK> 17:11:08.593691 IP gw2-1.211.ru.3203 > my.host.com.http: F 2316834420:2316834420(0) ack 2629074987 win 64240 I'm not sure what I can do to limit/mitigate this, currently no webpages are being served, any help gratefully appreciated.

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• dns server bind is not work

  - by milad

  I just installed bind on RHEL 6 and point a domain to that server. but actually when i ping domain it returns error 1214: Here is my named.conf: // // named.conf // // Provided by Red Hat bind package to configure the ISC BIND named(8) DNS // server as a caching only nameserver (as a localhost DNS resolver only). // // See /usr/share/doc/bind*/sample/ for example named configuration files. // options { listen-on port 53 { any; }; listen-on-v6 port 53 { ::1; }; directory "/var/named"; dump-file "/var/named/data/cache_dump.db"; statistics-file "/var/named/data/named_stats.txt"; memstatistics-file "/var/named/data/named_mem_stats.txt"; allow-query { any; }; recursion yes; dnssec-enable yes; dnssec-validation yes; dnssec-lookaside auto; /* Path to ISC DLV key */ bindkeys-file "/etc/named.iscdlv.key"; managed-keys-directory "/var/named/dynamic"; }; logging { channel default_debug { file "data/named.run"; severity dynamic; }; }; zone "." IN { type hint; file "named.ca"; }; include "/etc/named.rfc1912.zones"; include "/etc/named.root.key"; zone "mydomain.com"{ type master; file "/var/named/data/named.mydomain.com"; allow-update { none; }; };` AND The content of "/var/named/data/named.mydomain.com": $TTL 38400 mydomain.com. IN SOA ns1.mydomain.com. milad.yahoo.com. ( 2012101201 ; serial number YYMMDDNN 28800 ; Refresh 7200 ; Retry 864000 ; Expire 38400 ; Min TTL ) mydomain.com. IN A 1.2.3.4 www IN A 1.2.3.4 ns1.mydomain.com. IN A 1.2.3.4 ns2.mydomain.com. IN A 1.2.3.4 mydomain.com. IN NS ns1.mydomain.com. mydomain.com. IN NS ns2.mydomain.com. AND i'm sure the named service is running: [root@server ~]# service named status version: 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.3 CPUs found: 8 worker threads: 8 number of zones: 20 debug level: 0 xfers running: 0 xfers deferred: 0 soa queries in progress: 0 query logging is OFF recursive clients: 0/0/1000 tcp clients: 0/100 server is up and running named (pid 26299) is running... Thanks for your answers. i know that the ping is not the job of bind, i use it just to check whether domain is pointed to host or not.(ping is open in my server as i got reply in pinging ip) i use network-tools.com to ping domain. here the output of dig utility: dig mydomain.com ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.3 <<>> mydomain.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 6806 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;mydomain.com. IN A ;; Query time: 321 msec ;; SERVER: 5.6.7.8#53(5.6.7.8)##note that 5.6.7.8 is my idc dns ip ;; WHEN: Sun Oct 14 23:53:47 2012

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• Routing not working correctly using the laravel framework

  - by samayres1992

  I'm using the book wrote by one of the guys that created laravel, so I'd like to think for the most part this code isn't horribly wrong. My server is setup with nginx serving all static files and apache2 serving php. My config for each are the following: apache2: <VirtualHost *> # Host that will serve this project. ServerName litl.it # The location of our projects public directory. DocumentRoot /var/www/litl.it/laravel/public # Useful logs for debug. CustomLog /var/log/apache.access.log common ErrorLog /var/log/apache.error.log # Rewrites for pretty URLs, better not to rely on .htaccess. <Directory /var/www/litl.it/laravel/public> <IfModule mod_rewrite.c> Options -MultiViews RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^ index.php [L] </IfModule> </Directory> nginx: server { # Port that the web server will listen on. listen 80; # Host that will serve this project. server_name litl.it *.litl.it; # Useful logs for debug. access_log /var/log/nginx.access.log; error_log /var/log/nginx.error.log; rewrite_log on; # The location of our projects public directory. root /var/www/litl.it/laravel/public; # Point index to the Laravel front controller. index index.php; location / { # URLs to attempt, including pretty ones. try_files $uri $uri/ /index.php?$query_string; } # Remove trailing slash to please routing system. if (!-d $request_filename) { rewrite ^/(.+)/$ /$1 permanent; } # PHP FPM configuration. location ~* \.php$ { proxy_pass http://127.0.0.1:8080; include /etc/nginx/proxy_params; try_files index index.php $uri =404; include /etc/nginx/fastcgi_params; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root/php/$fastcgi_script_name; } # We don't need .ht files with nginx. location ~ /\.ht { deny all; } location @proxy { proxy_pass http://127.0.0.1:8080; include /etc/nginx/proxy_params; } error_page 403 /error/403.html; error_page 404 /error/404.html; error_page 405 /error/405.html; error_page 500 501 502 503 504 /error/5xx.html; location ^~ /error/ { internal; root /var/www/litl.it/lavarel/public/error; } } I'm including these server configs, as I feel this maybe the issue? Here is my incredibly basic routing file that should return "routing is working" on domain.com/test but instead it just returns the homepage. <?php Route::get('/', function() { return View::make('hello'); }); Route::get('/test', function() { return "routing is working"; }); Any ideas where I'm going wrong, I'm following this tutorial very closely and I'm confused why there is issue. Thanks!

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• Call to daemon in a /etc/init.d script is blocking, not running in background

  - by tony

  I have a Perl script that I want to daemonize. Basically this perl script will read a directory every 30 seconds, read the files that it finds and then process the data. To keep it simple here consider the following Perl script (called synpipe_server, there is a symbolic link of this script in /usr/sbin/) : #!/usr/bin/perl use strict; use warnings; my $continue = 1; $SIG{'TERM'} = sub { $continue = 0; print "Caught TERM signal\n"; }; $SIG{'INT'} = sub { $continue = 0; print "Caught INT signal\n"; }; my $i = 0; while ($continue) { #do stuff print "Hello, I am running " . ++$i . "\n"; sleep 3; } So this script basically prints something every 3 seconds. Then, as I want to daemonize this script, I've also put this bash script (also called synpipe_server) in /etc/init.d/ : #!/bin/bash # synpipe_server : This starts and stops synpipe_server # # chkconfig: 12345 12 88 # description: Monitors all production pipelines # processname: synpipe_server # pidfile: /var/run/synpipe_server.pid # Source function library. . /etc/rc.d/init.d/functions pname="synpipe_server" exe="/usr/sbin/synpipe_server" pidfile="/var/run/${pname}.pid" lockfile="/var/lock/subsys/${pname}" [ -x $exe ] || exit 0 RETVAL=0 start() { echo -n "Starting $pname : " daemon ${exe} RETVAL=$? PID=$! echo [ $RETVAL -eq 0 ] && touch ${lockfile} echo $PID > ${pidfile} } stop() { echo -n "Shutting down $pname : " killproc ${exe} RETVAL=$? echo if [ $RETVAL -eq 0 ]; then rm -f ${lockfile} rm -f ${pidfile} fi } restart() { echo -n "Restarting $pname : " stop sleep 2 start } case "$1" in start) start ;; stop) stop ;; status) status ${pname} ;; restart) restart ;; *) echo "Usage: $0 {start|stop|status|restart}" ;; esac exit 0 So, (if I have well understood the doc for daemon) the Perl script should run in the background and the output should be redirected to /dev/null if I execute : service synpipe_server start But here is what I get instead : [root@master init.d]# service synpipe_server start Starting synpipe_server : Hello, I am running 1 Hello, I am running 2 Hello, I am running 3 Hello, I am running 4 Caught INT signal [ OK ] [root@master init.d]# So it starts the Perl script but runs it without detaching it from the current terminal session, and I can see the output printed in my console ... which is not really what I was expecting. Moreover, the PID file is empty (or with a line feed only, no pid returned by daemon). Does anyone have any idea of what I am doing wrong ? EDIT : maybe I should say that I am on a Red Hat machine. Scientific Linux SL release 5.4 (Boron) Would it do the job if instead of using the daemon function, I use something like : nohup ${exe} >/dev/null 2>&1 & in the init script ?

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• openvpn not creating internal route for client

  - by user42055

  I have two openvpn clients and a server using shared keys. I have internal routes specified in the ccd directory for both clients, but when they connect, the server only creates the internal route for one of them, despite the logs saying it's creating both. Both clients and the server use the "--script-security 2" command-line option. Can anyone think of why it would do this ? My ccd files are: client1: iroute 192.168.0.0 255.255.255.0 client2: iroute 10.0.1.0 255.255.255.0 My log file shows the following (cropped): May 3 17:22:59 kino openvpn[2416]: 118.208.58.60:48730 [client1] Peer Connection Initiated with 118.208.58.60:48730 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 OPTIONS IMPORT: reading client specific options from: ccd/client1 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 MULTI: Learn: 192.168.150.10 -> client1/118.208.58.60:48730 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 MULTI: primary virtual IP for client1/118.208.58.60:48730: 192.168.150.10 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 MULTI: internal route 192.168.0.0/24 -> client1/118.208.58.60:48730 May 3 17:22:59 kino openvpn[2416]: client1/118.208.58.60:48730 MULTI: Learn: 192.168.0.0/24 -> client1/118.208.58.60:48730 May 3 17:23:01 kino openvpn[2416]: client1/118.208.58.60:48730 PUSH: Received control message: 'PUSH_REQUEST' May 3 17:23:01 kino openvpn[2416]: client1/118.208.58.60:48730 SENT CONTROL [client1]: 'PUSH_REPLY,route 192.168.150.1,topology net30,ping 10,ping-restart 120,ifconfig 192.168.150.10 192.168.150.9' (status=1) May 3 17:21:36 kino openvpn[2416]: 124.148.1.90:59277 [client2] Peer Connection Initiated with 124.148.1.90:59277 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 OPTIONS IMPORT: reading client specific options from: ccd/client2 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 MULTI: Learn: 192.168.150.14 -> client2/124.148.1.90:59277 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 MULTI: primary virtual IP for client2/124.148.1.90:59277: 192.168.150.14 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 MULTI: internal route 10.0.1.0/24 -> client2/124.148.1.90:59277 May 3 17:21:36 kino openvpn[2416]: client2/124.148.1.90:59277 MULTI: Learn: 10.0.1.0/24 -> client2/124.148.1.90:59277 May 3 17:21:39 kino openvpn[2416]: client2/124.148.1.90:59277 PUSH: Received control message: 'PUSH_REQUEST' May 3 17:21:39 kino openvpn[2416]: client2/124.148.1.90:59277 SENT CONTROL [client2]: 'PUSH_REPLY,route 192.168.150.1,topology net30,ping 10,ping-restart 120,ifconfig 192.168.150.14 192.168.150.13' (status=1) And after both clients have connected, the routing table looks like this: 192.168.150.2 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 203.209.167.192 0.0.0.0 255.255.255.224 U 0 0 0 eth0 192.168.150.0 192.168.150.2 255.255.255.0 UG 0 0 0 tun0 192.168.0.0 192.168.150.2 255.255.255.0 UG 0 0 0 tun0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 203.209.167.193 0.0.0.0 UG 0 0 0 eth0 As you can see, it's created the route to 192.168.0.0/24 (client1) but not to 10.0.1.0/24 (client2), even though the log says it's been created. Any suggestions why ?

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• OSError : [Errno 38] Function not implemented - Django Celery implementation

  - by Jordan Messina

  I installed django-celery and I tried to start up the worker server but I get an OSError that a function isn't implemented. I'm running CentOS release 5.4 (Final) on a VPS: . broker -> amqp://guest@localhost:5672/ . queues -> . celery -> exchange:celery (direct) binding:celery . concurrency -> 4 . loader -> djcelery.loaders.DjangoLoader . logfile -> [stderr]@WARNING . events -> OFF . beat -> OFF [2010-07-22 17:10:01,364: WARNING/MainProcess] Traceback (most recent call last): [2010-07-22 17:10:01,364: WARNING/MainProcess] File "manage.py", line 11, in <module> [2010-07-22 17:10:01,364: WARNING/MainProcess] execute_manager(settings) [2010-07-22 17:10:01,364: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django/core/management/__init__.py", line 438, in execute_manager [2010-07-22 17:10:01,364: WARNING/MainProcess] utility.execute() [2010-07-22 17:10:01,364: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django/core/management/__init__.py", line 379, in execute [2010-07-22 17:10:01,365: WARNING/MainProcess] self.fetch_command(subcommand).run_from_argv(self.argv) [2010-07-22 17:10:01,365: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django/core/management/base.py", line 191, in run_from_argv [2010-07-22 17:10:01,365: WARNING/MainProcess] self.execute(*args, **options.__dict__) [2010-07-22 17:10:01,365: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django/core/management/base.py", line 218, in execute [2010-07-22 17:10:01,365: WARNING/MainProcess] output = self.handle(*args, **options) [2010-07-22 17:10:01,365: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/django_celery-2.0.0-py2.6.egg/djcelery/management/commands/celeryd.py", line 22, in handle [2010-07-22 17:10:01,366: WARNING/MainProcess] run_worker(**options) [2010-07-22 17:10:01,366: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/bin/celeryd.py", line 385, in run_worker [2010-07-22 17:10:01,366: WARNING/MainProcess] return Worker(**options).run() [2010-07-22 17:10:01,366: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/bin/celeryd.py", line 218, in run [2010-07-22 17:10:01,366: WARNING/MainProcess] self.run_worker() [2010-07-22 17:10:01,366: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/bin/celeryd.py", line 312, in run_worker [2010-07-22 17:10:01,367: WARNING/MainProcess] worker.start() [2010-07-22 17:10:01,367: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/worker/__init__.py", line 206, in start [2010-07-22 17:10:01,367: WARNING/MainProcess] component.start() [2010-07-22 17:10:01,367: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/concurrency/processes/__init__.py", line 54, in start [2010-07-22 17:10:01,367: WARNING/MainProcess] maxtasksperchild=self.maxtasksperchild) [2010-07-22 17:10:01,367: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/concurrency/processes/pool.py", line 448, in __init__ [2010-07-22 17:10:01,368: WARNING/MainProcess] self._setup_queues() [2010-07-22 17:10:01,368: WARNING/MainProcess] File "/usr/local/lib/python2.6/site-packages/celery-2.0.1-py2.6.egg/celery/concurrency/processes/pool.py", line 564, in _setup_queues [2010-07-22 17:10:01,368: WARNING/MainProcess] self._inqueue = SimpleQueue() [2010-07-22 17:10:01,368: WARNING/MainProcess] File "/usr/local/lib/python2.6/multiprocessing/queues.py", line 315, in __init__ [2010-07-22 17:10:01,368: WARNING/MainProcess] self._rlock = Lock() [2010-07-22 17:10:01,368: WARNING/MainProcess] File "/usr/local/lib/python2.6/multiprocessing/synchronize.py", line 117, in __init__ [2010-07-22 17:10:01,369: WARNING/MainProcess] SemLock.__init__(self, SEMAPHORE, 1, 1) [2010-07-22 17:10:01,369: WARNING/MainProcess] File "/usr/local/lib/python2.6/multiprocessing/synchronize.py", line 49, in __init__ [2010-07-22 17:10:01,369: WARNING/MainProcess] sl = self._semlock = _multiprocessing.SemLock(kind, value, maxvalue) [2010-07-22 17:10:01,369: WARNING/MainProcess] OSError [2010-07-22 17:10:01,369: WARNING/MainProcess] : [2010-07-22 17:10:01,369: WARNING/MainProcess] [Errno 38] Function not implemented Am I just totally screwed and should use a new kernel that has this implemented or is there an easy way to resolve this?

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• Static route works on one computer, not the other

  - by Dan

  I have been struggling with this for a couple days now, maybe I just need some people with a fresh perspective to figure out what the issue is. Basically I have a bunch of computers that are being routed through a specific gateway in order to access a web page that is hosted internally on a separate subnet. I set up static routes on all of the computers, and they all work... except one. Here's what a route print -4 looks like for a working computer (Windows 7): =========================================================================== Interface List 14...xx xx xx xx xx xx ......Broadcom 802.11n Network Adapter 11...xx xx xx xx xx xx ......Realtek PCIe GBE Family Controller 1...........................Software Loopback Interface 1 12...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter 13...00 00 00 00 00 00 00 e0 Microsoft 6to4 Adapter 17...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.xxx.xxx.230 10.xxx.xxx.94 20 10.zzz.zzz.0 255.255.255.0 10.xxx.xxx.147 10.xxx.xxx.94 21 10.xxx.xxx.0 255.255.255.0 On-link 10.xxx.xxx.94 276 10.xxx.xxx.94 255.255.255.255 On-link 10.xxx.xxx.94 276 10.xxx.xxx.255 255.255.255.255 On-link 10.xxx.xxx.94 276 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 10.xxx.xxx.94 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 10.xxx.xxx.94 276 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 10.zzz.zzz.0 255.255.255.0 10.xxx.xxx.147 1 =========================================================================== And here's a route print -4 from the station that doesn't work (also Windows 7): =========================================================================== Interface List 10...xx xx xx xx xx xx ......Realtek PCIe GBE Family Controller 1...........................Software Loopback Interface 1 12...00 00 00 00 00 00 00 e0 Microsoft 6to4 Adapter 14...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2 16...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.xxx.xxx.230 10.xxx.xxx.132 276 10.zzz.zzz.0 255.255.255.0 10.xxx.xxx.147 10.xxx.xxx.132 21 10.xxx.xxx.0 255.255.255.0 On-link 10.xxx.xxx.132 276 10.xxx.xxx.132 255.255.255.255 On-link 10.xxx.xxx.132 276 10.xxx.xxx.255 255.255.255.255 On-link 10.xxx.xxx.132 276 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 10.xxx.xxx.132 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 10.xxx.xxx.132 276 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 10.zzz.zzz.0 255.255.255.0 10.xxx.xxx.147 1 =========================================================================== Both of these stations are running Windows 7. So essentially what I am trying to do here is route all traffic to the 10.zzz.zzz.0 subnet through the 10.xxx.xxx.147 gateway. Everything else should go through the 10.xxx.xxx.230 gateway. This is the intended behavior, and again it is working everywhere but that one station. I noticed that the Active Route metric costs differ between the two stations, but I am new to the routing table and I am not sure how that is impacting the behavior. I hope I have been able to explain the situation clearly. Any help would be much appreciated. I can provide any additional information if needed!

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• SVN Server not responding

  - by Rob Forrest

  I've been bashing my head against a wall with this one all day and I would greatly appreciate a few more eyes on the problem at hand. We have an in-house SVN Server that contains all live and development code for our website. Our live server can connect to this and get updates from the repository. This was all working fine until we migrated the SVN Server from a physical machine to a vSphere VM. Now, for some reason that continues to fathom me, we can no longer connect to the SVN Server. The SVN Server runs CentOS 6.2, Apache and SVN 1.7.2. SELinux is well and trully disabled and the problem remains when iptables is stopped. Our production server does run an older version of CentOS and SVN but the same system worked previously so I don't think that this is the issue. Of note, if I have iptables enabled, using service iptables status, I can see a single packet coming in and being accepted but the production server simply hangs on any svn command. If I give up waiting and do a CTRL-C to break the process I get a "could not connect to server". To me it appears to be something to do with the SVN Server rejecting external connections but I have no idea how this would happen. Any thoughts on what I can try from here? Thanks, Rob Edit: Network topology Production server sits externally to our in-house SVN server. Our IPCop (?) firewall allows connections from it (and it alone) on port 80 and passes the connection to the SVN Server. The hardware is all pretty decent and I don't doubt that its doing its job correctly, especially as iptables is seeing the new connections. subversion.conf (in /etc/httpd/conf.d) LoadModule dav_svn_module modules/mod_dav_svn.so <Location /repos> DAV svn SVNPath /var/svn/repos <LimitExcept PROPFIND OPTIONS REPORT> AuthType Basic AuthName "SVN Server" AuthUserFile /var/svn/svn-auth Require valid-user </LimitExcept> </Location> ifconfig eth0 Link encap:Ethernet HWaddr 00:0C:29:5F:C8:3A inet addr:172.16.0.14 Bcast:172.16.0.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fe5f:c83a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:32317 errors:0 dropped:0 overruns:0 frame:0 TX packets:632 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2544036 (2.4 MiB) TX bytes:143207 (139.8 KiB) netstat -lntp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 1484/mysqld tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 1135/rpcbind tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1351/sshd tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 1230/cupsd tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1575/master tcp 0 0 0.0.0.0:58401 0.0.0.0:* LISTEN 1153/rpc.statd tcp 0 0 0.0.0.0:5672 0.0.0.0:* LISTEN 1626/qpidd tcp 0 0 :::139 :::* LISTEN 1678/smbd tcp 0 0 :::111 :::* LISTEN 1135/rpcbind tcp 0 0 :::80 :::* LISTEN 1615/httpd tcp 0 0 :::22 :::* LISTEN 1351/sshd tcp 0 0 ::1:631 :::* LISTEN 1230/cupsd tcp 0 0 ::1:25 :::* LISTEN 1575/master tcp 0 0 :::445 :::* LISTEN 1678/smbd tcp 0 0 :::56799 :::* LISTEN 1153/rpc.statd iptables --list -v -n (when iptables is stopped) Chain INPUT (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination iptables --list -v -n (when iptables is running, after one attempted svn connection) Chain INPUT (policy ACCEPT 68 packets, 6561 bytes) pkts bytes target prot opt in out source destination 19 1304 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED 0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 0 0 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:22 1 60 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:80 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:80 0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW udp dpt:80 Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 17 packets, 1612 bytes) pkts bytes target prot opt in out source destination tcpdump 17:08:18.455114 IP 'production server'.43255 > 'svn server'.local.http: Flags [S], seq 3200354543, win 5840, options [mss 1380,sackOK,TS val 2011458346 ecr 0,nop,wscale 7], length 0 17:08:18.455169 IP 'svn server'.local.http > 'production server'.43255: Flags [S.], seq 629885453, ack 3200354544, win 14480, options [mss 1460,sackOK,TS val 816478 ecr 2011449346,nop,wscale 7], length 0 17:08:19.655317 IP 'svn server'.local.http > 'production server'k.43255: Flags [S.], seq 629885453, ack 3200354544, win 14480, options [mss 1460,sackOK,TS val 817679 ecr 2011449346,nop,wscale 7], length 0

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• W7 routing - traffic not going to default gateway

  - by Ian Macintosh

  I have a really strange Windows 7 IPv4 routing issue that I can't get to the bottom of. The summary of the issue is that the default gateway is set to 192.168.254.253, but that it is actually using a default gateway of 192.168.254.254. Here's a network diagram: .-,( ),-. .-( )-. .-----( internet )----.--------------------------. | '-( ).-' | | | '-.( ).-' | | v v v .------------. .------. .------. | 10mb Fibre | | ADSL | | ADSL | '------------' '------' '------' | | | | | | v v v .---------------------. .--------------------. .--------------------. | Juniper Box | | Draytek DSL Router | | Draytek DSL Router | |---------------------| |--------------------| |--------------------| | (public IP address) | | 172.16.0.x | | 172.16.0.x | '---------------------' '--------------------' '--------------------' | | | | | .-------------------' | v v v .-------------------------. .-----------------. | Draytek Dual WAN Router | | Untangle GW | |-------------------------| |-----------------| | 192.168.254.254 | | 192.168.254.253 | '-------------------------' '-----------------' | | | | | v v =================================== LAN =================================== | | | | v v .----------------. .----------------. | Windows 7 W/S | | Windows 7 W/S | |----------------| |----------------| | 192.168.254.38 | | 192.168.254.77 | '----------------' '----------------' This is a recently (a few weeks ago) converted fibre site with the original 2 DSL lines still attached and running. An Untangle (firewall) was installed with the fibre line. Here is the affected PC network configuration: C:\>ipconfig /allcompartments /all Windows IP Configuration ============================================================================== Network Information for Compartment 1 (ACTIVE) ============================================================================== Host Name . . . . . . . . . . . . : COMP36 Primary Dns Suffix . . . . . . . : XXXXXX.local Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : XXXXXX.local Ethernet adapter Local Area Connection 2: Connection-specific DNS Suffix . : XXXXXX.local Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller #2 Physical Address. . . . . . . . . : C8-9C-DC-33-F1-65 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::3925:86a5:7066:ab92%15(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.254.38(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : 22 August 2012 10:20:32 Lease Expires . . . . . . . . . . : 30 August 2012 10:20:31 Default Gateway . . . . . . . . . : 192.168.254.253 DHCP Server . . . . . . . . . . . : 192.168.254.200 DHCPv6 IAID . . . . . . . . . . . : 315137244 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-4A-17-8D-10-78-D2-74-2F-8A DNS Servers . . . . . . . . . . . : 192.168.254.200 Primary WINS Server . . . . . . . : 192.168.254.200 NetBIOS over Tcpip. . . . . . . . : Enabled Tunnel adapter isatap.XXXXXX.local: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : XXXXXX.local Description . . . . . . . . . . . : Microsoft ISATAP Adapter Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Tunnel adapter Teredo Tunneling Pseudo-Interface: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes The routing table: C:\>route print =========================================================================== Interface List 15...c8 9c dc 33 f1 65 ......Realtek PCIe GBE Family Controller #2 1...........................Software Loopback Interface 1 10...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter 11...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.254.253 192.168.254.38 10 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.254.0 255.255.255.0 On-link 192.168.254.38 266 192.168.254.38 255.255.255.255 On-link 192.168.254.38 266 192.168.254.255 255.255.255.255 On-link 192.168.254.38 266 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 192.168.254.38 266 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 192.168.254.38 266 =========================================================================== Persistent Routes: None IPv6 Route Table =========================================================================== Active Routes: If Metric Network Destination Gateway 1 306 ::1/128 On-link 15 266 fe80::/64 On-link 15 266 fe80::3925:86a5:7066:ab92/128 On-link 1 306 ff00 ::/8 On-link 15 266 ff00::/8 On-link =========================================================================== Persistent Routes: None And the strange routing as demonstrated by tracert: C:\>tracert -d www.bbc.co.uk Tracing route to www.bbc.net.uk [212.58.246.95] over a maximum of 30 hops: 1 1 ms 1 ms <1 ms 192.168.254.254 2 1 ms 1 ms 1 ms 172.16.0.254 3 17 ms 18 ms 16 ms XXXXXXXXXXXXXXX 4 18 ms 19 ms 19 ms XXXXXXXXXXXXXXX 5 22 ms 22 ms 22 ms XXXXXXXXXXXXXXX 6 22 ms 21 ms 22 ms XXXXXXXXXXXXXXX 7 21 ms 21 ms 22 ms 217.41.169.109 8 30 ms 32 ms 57 ms 109.159.251.227 9 46 ms 39 ms 35 ms 109.159.251.137 10 27 ms 66 ms 30 ms 109.159.254.116 ^C However, when done from another Windows 7 workstation: C:\Users\administrator>ipconfig /allcompartments /all Windows IP Configuration ============================================================================== Network Information for Compartment 1 (ACTIVE) ============================================================================== Host Name . . . . . . . . . . . . : PABX-BACKUP Primary Dns Suffix . . . . . . . : XXXXXX.local Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : XXXXXX.local Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : XXXXXX.local Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller Physical Address. . . . . . . . . : 8C-89-A5-94-43-84 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::9479:1c11:6f9f:ae0b%11(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.254.77(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : 15 August 2012 08:27:18 Lease Expires . . . . . . . . . . : 27 August 2012 08:27:31 Default Gateway . . . . . . . . . : 192.168.254.253 DHCP Server . . . . . . . . . . . : 192.168.254.200 DHCPv6 IAID . . . . . . . . . . . : 244091301 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-C2-79-BE-8C-89-A5-94-43-84 DNS Servers . . . . . . . . . . . : 192.168.254.200 Primary WINS Server . . . . . . . : 192.168.254.200 NetBIOS over Tcpip. . . . . . . . : Enabled Tunnel adapter isatap.XXXXXX.local: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : XXXXXX.local Description . . . . . . . . . . . : Microsoft ISATAP Adapter Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Tunnel adapter Local Area Connection* 9: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Microsoft 6to4 Adapter Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Tunnel adapter Teredo Tunneling Pseudo-Interface: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes C:\Users\administrator> And finally, doing a tracert from the 2nd workstation yields expected results: C:\Users\administrator>tracert -d www.bbc.co.uk Tracing route to www.bbc.net.uk [212.58.244.67] over a maximum of 30 hops: 1 <1 ms <1 ms <1 ms 192.168.254.253 2 1 ms 1 ms 1 ms 141.0.xxx.xxx 3 2 ms 2 ms 2 ms 141.0.xxx.xxx 4 7 ms 2 ms 2 ms 109.204.xxx.xxx 5 2 ms 2 ms 2 ms 95.177.0.7 6 3 ms 2 ms 2 ms 95.177.0.9 7 30 ms 2 ms 2 ms 95.177.0.2 8 2 ms 2 ms 2 ms 195.66.224.103 9 ^C As expected, it is routing via .253, and the 2nd hop is the inside interface of the Juniper NTU. I've not inspected the traffic yet. In particular, I was going to look for ICMP redirects, though why there would be an ICMP redirect at all is not really sensible? .254 used to be the default gateway before the fibre was installed. Any ideas? Doesn't make sense to me why there should be this routing issue :( The Draytek Dual WAN Router was rebooted, the PC was rebooted. The PC had the network disabled and then re-enabled. All the standard stuff when Windows looses the plot. Hopefully somebody recognises the symptoms! PS: Sorry for the long post, but I didn't want to leave something potentially relevant out. PPS: No iSCSI involved on/at this or any other workstation so Windows 7 routing traffic through the gateway for local addresses isn't the issue.

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• NPM not installing dependencies?

  - by neezer

  Having trouble getting NPM to install dependencies with npm install -d in my project directory with a defined package.json file. Here's my package.json: https://gist.github.com/3068312 And after wiping my project root's node modules folder (rm -rf node_modules), I run npm install -d in my project root and am greeted with this: (ssh) /vagrant git:master ? npm install -d npm info it worked if it ends with ok npm info using [email protected] npm info using [email protected] npm info preinstall [email protected] npm http GET https://registry.npmjs.org/sinon npm http GET https://registry.npmjs.org/underscore npm http GET https://registry.npmjs.org/mocha npm http GET https://registry.npmjs.org/request npm http 304 https://registry.npmjs.org/sinon npm http 304 https://registry.npmjs.org/underscore npm http 304 https://registry.npmjs.org/mocha npm http 304 https://registry.npmjs.org/request npm info into /vagrant [email protected] npm info into /vagrant [email protected] npm info into /vagrant [email protected] npm info into /vagrant [email protected] npm info installOne [email protected] npm info installOne [email protected] npm info installOne [email protected] npm info installOne [email protected] npm info unbuild /vagrant/node_modules/underscore npm info unbuild /vagrant/node_modules/mocha npm info unbuild /vagrant/node_modules/sinon npm info unbuild /vagrant/node_modules/request npm ERR! error installing [email protected] npm info unbuild /vagrant/node_modules/underscore npm ERR! error rolling back [email protected] Error: UNKNOWN, unknown error '/vagrant/node_modules/underscore' npm ERR! Error: ENOENT, no such file or directory '/vagrant/node_modules/underscore/package.json' npm ERR! You may report this log at: npm ERR! <http://bugs.debian.org/npm> npm ERR! or use npm ERR! reportbug --attach /vagrant/npm-debug.log npm npm ERR! npm ERR! System Linux 3.2.0-23-generic npm ERR! command "node" "/usr/bin/npm" "install" "-d" npm ERR! cwd /vagrant npm ERR! node -v v0.6.12 npm ERR! npm -v 1.1.4 npm ERR! path /vagrant/node_modules/underscore/package.json npm ERR! code ENOENT npm ERR! message ENOENT, no such file or directory '/vagrant/node_modules/underscore/package.json' npm ERR! errno {} npm ERR! error installing [email protected] npm info unbuild /vagrant/node_modules/request npm ERR! error rolling back [email protected] Error: UNKNOWN, unknown error '/vagrant/node_modules/request' npm ERR! npm ERR! Additional logging details can be found in: npm ERR! /vagrant/npm-debug.log npm not ok If I rerun npm install -d, the error changes to whatever the next package is... if I keep running it it over and over again, it eventually doesn't complain anymore and outputs: (ssh) /vagrant git:master ? npm install -d npm info it worked if it ends with ok npm info using [email protected] npm info using [email protected] npm info preinstall [email protected] npm info build /vagrant npm info linkStuff [email protected] npm info install [email protected] npm info postinstall [email protected] npm info ok However, none of the dependencies for any of these packages get installed. For instance, cheerio has a few dependencies, so when I try running my test suite, I'm greeted with: (ssh) /vagrant git:master ? mocha --compilers coffee:coffee-script --watch spec/* node.js:201 throw e; // process.nextTick error, or 'error' event on first tick ^ Error: Cannot find module 'cheerio-select' at Function._resolveFilename (module.js:332:11) at Function._load (module.js:279:25) at Module.require (module.js:354:17) What gives? I'm on Ubuntu Precise64 in a Vagrant virtual box.

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• ipconfig /release not working, why?

  - by barlop

  ipconfig /release is not working, why is that? here is a sequence where I put my cable in get an IP, try ipconfig /release and it tells me it can't release wireless, but there is no wireless connection. i'm just trying to release the wired one. C:\>ipconfig Windows IP Configuration Ethernet adapter Wireless Network Connection: Media State . . . . . . . . . . . : Media disconnected Ethernet adapter Local Area Connection: Media State . . . . . . . . . . . : Media disconnected Fine so I plug my cable in C:\>ipconfig Windows IP Configuration Ethernet adapter Wireless Network Connection: Media State . . . . . . . . . . . : Media disconnected Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 0.0.0.0 Subnet Mask . . . . . . . . . . . : 0.0.0.0 Default Gateway . . . . . . . . . : C:\>ipconfig Windows IP Configuration Ethernet adapter Wireless Network Connection: Media State . . . . . . . . . . . : Media disconnected Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 192.168.1.8 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.254 Fine so from above, it clearly has an iP C:\>ipconfig /release Windows IP Configuration No operation can be performed on Wireless Network Connection while it has its me dia disconnected. C:\>

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• Wireshark does not see interfaces (winXP)

  - by bua

  Short story: Wireshark is working....on my winXP-32b ... usage .... Long long time later Wireshark does not work It can't find any usefull interface (just VPN) ipconfig /all Ethernet adapter Wireless Network Connection: Media State . . . . . . . . . . . : Media disconnected Description . . . . . . . . . . . : Dell Wireless 1490 Dual Band WLAN Mini-Card Physical Address. . . . . . . . . : SOME VALID MAC Ethernet adapter eth0: Connection-specific DNS Suffix . : xxxx Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated Controller Physical Address. . . . . . . . . : SOME VALID MAC Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 192.168.12.68 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168..... ..... Ethernet adapter Local Area Connection: Media State . . . . . . . . . . . : Media disconnected Description . . . . . . . . . . . : Fortinet virtual adapter Physical Address. . . . . . . . . : SOME VALID MAC Following steps didn't help: Several Wireshark re-installation Several LIBPCAP re installation SP3 for winXP Any ideas welcome.

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• How to echo if field is not found?

  - by Fahad

  Hi I'm trying to figure out how to echo back if the value entered does not match when a database lookup is done. I'm using ajax to run the request and php to do the lookup ajax.js: function showResult(str) { if (str=="") { document.getElementById("description").innerHTML=""; return; } if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("description").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","getuser.php?voucher="+str,true); xmlhttp.send(null); } and getuser.php: <?php $q=$_GET["voucher"]; $con = mysql_connect('localhost', 'root', ''); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("test", $con); $sql="SELECT * FROM redemption WHERE voucher = '".$q."'"; $result = mysql_query($sql); echo "<table> <tr> <th>Name</th> <th>Product</th> <th>Address</th> <th>Status</th> </tr>"; while($row = mysql_fetch_array($result)) { echo "<tr>"; echo "<td>" . $row['name'] . "</td>"; echo "<td>" . $row['product'] . "</td>"; echo "<td>" . $row['address'] ." ".$row['city'] ." ".$row['province'] ." ".$row['postal'] . "</td>"; echo "<td>" . $row['status'] . "</td>"; echo "</tr>"; } echo "</table>"; mysql_close($con); ?> What I would like to do is that once the person enters an invalid or a voucher number that is not found I would like to return an error that "Voucher number is not found". There is also a column in the db that stores the status such as "redeemed" or "not redeemed". How could I check for both whether the voucher number exists and if it has already been redeemed? I assume it'd have to be a syntax such as $sql="SELECT * FROM redemption WHERE voucher = '".$q."'" AND status = 'not redeemed' and then use an else or case statement perhaps? Thanks in advance

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• Java Refuses to Start - Could not reserve enough space for object heap

  - by Randyaa

  Background We have a pool of aproximately 20 linux blades. Some are running Suse, some are running Redhat. ALL share NAS space which contains the following 3 folders: /NAS/app/java - a symlink that points to an installation of a Java JDK. Currently version 1.5.0_10 /NAS/app/lib - a symlink that points to a version of our application. /NAS/data - directory where our output is written All our machines have 2 processors (hyperthreaded) with 4gb of physical memory and 4gb of swap space. We limit the number of 'jobs' each machine can process at a given time to 6 (this number likely needs to change, but that does not enter into the current problem so please ignore it for the time being). Some of our jobs set a Max Heap size of 512mb, some others reserve a Max Heap size of 2048mb. Again, we realize we could go over our available memory if 6 jobs started on the same machine with the heap size set to 2048, but to our knowledge this has not yet occurred. The Problem Once and a while a Job will fail immediately with the following message: Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. We used to chalk this up to too many jobs running at the same time on the same machine. The problem happened infrequently enough (MAYBE once a month) that we'd just restart it and everything would be fine. The problem has recently gotten much worse. All of our jobs which request a max heap size of 2048m fail immediately almost every time and need to get restarted several times before completing. We've gone out to individual machines and tried executing them manually with the same result. Debugging It turns out that the problem only exists for our SuSE boxes. The reason it has been happening more frequently is becuase we've been adding more machines, and the new ones are SuSE. 'cat /proc/version' on the SuSE boxes give us: Linux version 2.6.5-7.244-bigsmp (geeko@buildhost) (gcc version 3.3.3 (SuSE Linux)) #1 SMP Mon Dec 12 18:32:25 UTC 2005 'cat /proc/version' on the RedHat boxes give us: Linux version 2.4.21-32.0.1.ELsmp ([email protected]) (gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-52)) #1 SMP Tue May 17 17:52:23 EDT 2005 'uname -a' gives us the following on BOTH types of machines: UTC 2005 i686 i686 i386 GNU/Linux No jobs are running on the machine, and no other processes are utilizing much memory. All of the processes currently running might be using 100mb total. 'top' currently shows the following: Mem: 4146528k total, 3536360k used, 610168k free, 132136k buffers Swap: 4194288k total, 0k used, 4194288k free, 3283908k cached 'vmstat' currently shows the following: procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 610292 132136 3283908 0 0 0 2 26 15 0 0 100 0 If we kick off a job with the following command line (Max Heap of 1850mb) it starts fine: java/bin/java -Xmx1850M -cp helloworld.jar HelloWorld Hello World If we bump up the max heap size to 1875mb it fails: java/bin/java -Xmx1875M -cp helloworld.jar HelloWorld Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. It's quite clear that the memory currently being used is for Buffering/Caching and that's why so little is being displayed as 'free'. What isn't clear is why there is a magical 1850mb line where anything higher means Java can't start. Any explanations would be greatly appreciated.

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• Form Not Submitting

  - by John

  Hello, When I try to click on the "submit" button for the form below, nothing happens. Any ideas why not? Thanks in advance, John submit.php: <?php require_once "header.php"; $u = $_SESSION['username']; if (!isLoggedIn()) { // user is not logged in. if (isset($_POST['cmdlogin'])) { // retrieve the username and password sent from login form & check the login. if (checkLogin($_POST['username'], $_POST['password'])) { show_userbox2(); } else { echo "Incorrect Login information !"; show_loginform(); } } else { show_loginform(); } } else { . show_userbox2(); } echo '<div class="submittitle">Submit an item.</div>'; echo '<form action="http://www...com/.../submit2.php" method="post"> <input type="hidden" value="'.$_SESSION['loginid'].'" name="uid"> <div class="submissiontitle"><label for="title">Story Title:</label></div> <div class="submissionfield"><input name="title" type="title" id="title" maxlength="1000"></div> <div class="urltitle"><label for="url">Link:</label></div> <div class="urlfield"><input name="url" type="url" id="url" maxlength="500"></div> <div class="submissionbutton"><input name="submit" type="submit" value="Submit"></div> </form> '; ?> submit2.php: <?php //if($_SERVER['REQUEST_METHOD'] == "POST"){header('Location: http://www...com/.../submit2.php');} require_once "header.php"; if (isLoggedIn() == true) { $remove_array = array('http://www.', 'http://', 'https://', 'https://www.', 'www.'); $cleanurl = str_replace($remove_array, "", $_POST['url']); $cleanurl = strtolower($cleanurl); $cleanurl = preg_replace('/\/$/','',$cleanurl); $title = $_POST['title']; //$url = $_POST['url']; $uid = $_POST['uid']; $title = mysql_real_escape_string($title); $cleanurl = mysql_real_escape_string($cleanurl); $site1 = 'http://' . $cleanurl; $displayurl = parse_url($site1, PHP_URL_HOST); function isURL($url1 = NULL) { if($url1==NULL) return false; $protocol = '(http://|https://)'; $allowed = '[-a-z0-9]{1,63}'; $regex = "^". $protocol . // must include the protocol '(' . $allowed . '\.)'. // 1 or several sub domains with a max of 63 chars '[a-z]' . '{2,6}'; // followed by a TLD if(eregi($regex, $url1)==true) return true; else return false; } if(isURL($site1)==true) mysql_query("INSERT INTO submission VALUES (NULL, '$uid', '$title', '$cleanurl', '$displayurl', NULL)"); else echo "<p class=\"topicu\">Not a valid URL.</p>\n"; } else { // user is not loggedin show_loginform(); } if (!isLoggedIn()) { // user is not logged in. if (isset($_POST['cmdlogin'])) { // retrieve the username and password sent from login form & check the login. if (checkLogin($_POST['username'], $_POST['password'])) { show_userbox(); } else { echo "Incorrect Login information !"; show_loginform(); } } else { // User is not logged in and has not pressed the login button // so we show him the loginform show_loginform(); } } else { // The user is already loggedin, so we show the userbox. show_userbox(); } require_once "footer.php"; ?>

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• Socket php server not showing messages sent from android client

  - by Mj1992

  Hi I am a newbie in these kind of stuff but here's what i want to do. I am trying to implement a chat application in which users will send their queries from the website and as soon as the messages are sent by the website users.It will appear in the android mobile application of the site owner who will answer their queries .In short I wanna implement a live chat. Now right now I am just simply trying to send messages from android app to php server. But when I run my php script from dreamweaver in chrome the browser keeps on loading and doesn't shows any output when I send message from the client. Sometimes it happened that the php script showed some outputs which I have sent from the android(client).But i don't know when it works and when it does not. So I want to show those messages in the php script as soon as I send those messages from client and vice versa(did not implemented the vice versa for client but help will be appreciated). Here's what I've done till now. php script: <?php set_time_limit (0); $address = '127.0.0.1'; $port = 1234; $sock = socket_create(AF_INET, SOCK_STREAM, 0); socket_bind($sock, $address, $port) or die('Could not bind to address'); socket_listen($sock); $client = socket_accept($sock); $welcome = "Roll up, roll up, to the greatest show on earth!\n? "; socket_write($client, $welcome,strlen($welcome)) or die("Could not send connect string\n"); do{ $input=socket_read($client,1024,1) or die("Could not read input\n"); echo "User Says: \n\t\t\t".$input; if (trim($input) != "") { echo "Received input: $input\n"; if(trim($input)=="END") { socket_close($spawn); break; } } else{ $output = strrev($input) . "\n"; socket_write($spawn, $output . "? ", strlen (($output)+2)) or die("Could not write output\n"); echo "Sent output: " . trim($output) . "\n"; } } while(true); socket_close($sock); echo "Socket Terminated"; ?> Android Code: public class ServerClientActivity extends Activity { private Button bt; private TextView tv; private Socket socket; private String serverIpAddress = "127.0.0.1"; private static final int REDIRECTED_SERVERPORT = 1234; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); bt = (Button) findViewById(R.id.myButton); tv = (TextView) findViewById(R.id.myTextView); try { InetAddress serverAddr = InetAddress.getByName(serverIpAddress); socket = new Socket(serverAddr, REDIRECTED_SERVERPORT); } catch (UnknownHostException e1) { e1.printStackTrace(); } catch (IOException e1) { e1.printStackTrace(); } bt.setOnClickListener(new OnClickListener() { public void onClick(View v) { try { EditText et = (EditText) findViewById(R.id.EditText01); String str = et.getText().toString(); PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true); out.println(str); Log.d("Client", "Client sent message"); } catch (UnknownHostException e) { tv.setText(e.getMessage()); e.printStackTrace(); } catch (IOException e) { tv.setText(e.getMessage()); e.printStackTrace(); } catch (Exception e) { tv.setText(e.getMessage()); e.printStackTrace(); } } }); } } I've just pasted the onclick button event code for Android.Edit text is the textbox where I am going to enter my text. The ip address and port are same as in php script.

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