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• DSL Modem with Wireless Router

  - by David

  I have a D-Link WBR-1310 wireless router and a TP-Link TD-8616 DSL modem. My old DSL modem died recently and I got the TP-Link as a replacement. With my old DSL modem, I plugged it into the WAN port on my D-Link and I could reach the internet through wireless and through the network. However, when I plugged the new TP-Link into the WAN port, I was not able to get any internet connectivity (either on the network ports or through wireless). So I plugged my labtop directly into the TP-Link DSL modem and I was able to get internet connectivity. I'm trying to figure out why my labtop can see the internet connection, but not the D-Link router. I think that the problem is due to the IP networking. My D-Link was originally set to have IP address 192.168.1.1. According to the documentation for the TP-Link DSL modem, it uses 192.168.1.1 as its IP address. I do not believe that my old DSL modem had an IP address. I logged into my D-Link router and changed its IP address to 192.168.1.2 and restarted it. Unfortunately, I still could not see the internet from my wireless devices. I've read a few forum postings which implied that I needed to setup a "bridge" between the two networks. Does that sound correct? Why didn't my old DSL modem require a bridge? I read pg. 12-13 of my D-Link's manual and they suggest that I need to disable UPnP, DHCP, and then plug the DSL modem into one of the LAN ports on my router. I'm concerned about doing this since I don't think that the firewall will work if I plug my DSL modem into one of the LAN ports. I also have a home NAS on my network and I wouldn't want that to be available over the internet. Does anyone have any advice about how I can get my TPLink DSL modem to work with my D-Link router? Thanks!

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• How to connect SAN from CentOS through two iSCSI Targets

  - by garconcn

  I had asked the similar question before. This time I want to use subnet for two iSCSI Targets, hence I start a new question. I have an old Promise VTrak M500i SAN Server. It comes with 2 iSCSI ports. I want to connect to two LUNs on the SAN server through two separate Targets from CentOS 5.7 64bits server. My network setup is as follows: CentOS server: Management network - 192.168.1.1 Storage network 1 - 192.168.5.2 Storage network 2 - 192.168.6.2 Promise SAN server: Management network - 192.168.1.2 iSCSI Port 1 - 192.168.5.1 iSCSI Port 2 - 192.168.6.1 I have two Logical Drives on this SAN and they are mapped as follows: Index Initiator Name LUN Mapping 0 iqn.2011-11:backup (LD0,0) 1 iqn.2011-11:template (LD1,1) Basically, I want the traffic to iqn.2011-11:backup LUN 0 through 192.168.5.1 network the traffic to iqn.2011-11:template LUN 1 through 192.168.6.1 network I don't use MPIO, just want to separate the traffic to avoid traffic jam. How do I achieve this? I am new to SAN stuff, please explain as much detail as you can. Thank you. The following are what I am doing now. After mapping the LUN to my pre-defined Initiators, the CentOS server can discover both Targets. [root@centos ~]# iscsiadm -m discovery -t sendtargets -p 192.168.5.1 192.168.5.1:3260,1 iscsi-1 192.168.6.1:3260,2 iscsi-1 [root@centos ~]# iscsiadm -m discovery -t sendtargets -p 192.168.6.1 192.168.6.1:3260,2 iscsi-1 192.168.5.1:3260,1 iscsi-1 [root@centos ~]# /etc/init.d/iscsi start iscsid is stopped Starting iSCSI daemon: [ OK ] [ OK ] Setting up iSCSI targets: Logging in to [iface: default, target: iscsi-1, portal: 192.168.6.1,3260] Logging in to [iface: default, target: iscsi-1, portal: 192.168.5.1,3260] Login to [iface: default, target: iscsi-1, portal: 192.168.6.1,3260] successful. Login to [iface: default, target: iscsi-1, portal: 192.168.5.1,3260] successful. [ OK ] [root@centos ~]# iscsiadm -m session tcp: [1] 192.168.6.1:3260,2 iscsi-1 tcp: [2] 192.168.5.1:3260,1 iscsi-1 When I check the LUN mapping on the SAN server for the two Logical Drives, both LUNs are connected through Port0-192.168.5.2 with the Initiator defined in CentOS. Assigned Initiator List: Initiator Name Alias IP Address LUN iqn.2011-11.centos centos.mydomain.com Port0-192.168.5.2 0 Initiator Name Alias IP Address LUN iqn.2011-11.centos centos.mydomain.com Port1-192.168.5.2 1 I assume the following is what I want: Initiator Name Alias IP Address LUN iqn.2011-11.backup centos.mydomain.com Port0-192.168.5.2 0 Initiator Name Alias IP Address LUN iqn.2011-11.template centos.mydomain.com Port0-192.168.6.2 1

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• Directory listing through FTPS (TLS) is not working

  - by Aron Rotteveel

  We recently switched our server to require TLS for every connection. This is working flawlessly so far, but one of our clients is having problems. Some facts: Server uses Pure-FTPD Server has a passive port range configured Server has no firewall limitations regarding the FTP Client uses WS FTP Client is behind a router Client connects to the same IP as every other, using PASSIVE mode All other clients have no trouble connecting Because of the TLS requirement, connecting using ACTIVE mode is almost not possible, but PASSIVE is working fine for everyone except this specific client. It seems that he is able to connect, but once a LIST command is performed, things go wrong. Log: Finding Host <clienthost> ... Connecting to <serverip:21> Connected to <serverip:21> in 0.020000 seconds, Waiting for Server Response Initializing SSL Session ... 220---------- Welcome to Pure-FTPd [privsep] [TLS] ---------- 220-You are user number 5 of 50 allowed. 220-Local time is now 22:14. Server port: 21. 220-This is a private system - No anonymous login 220-IPv6 connections are also welcome on this server. 220 You will be disconnected after 15 minutes of inactivity. AUTH TLS 234 AUTH TLS OK. SSL session NOT set for reuse SSL Session Started. Host type (1): Automatic Detect USER <user> 331 User <user> OK. Password required PASS (hidden) 230-User <user> has group access to: <user> 230 OK. Current restricted directory is / SYST 215 UNIX Type: L8 Host type (2): Unix (Standard) PBSZ 0 200 PBSZ=0 PROT P 200 Data protection level set to "private" PWD 257 "/" is your current location CWD /public_html 250 OK. Current directory is /public_html PWD257 "/public_html" is your current location TYPE A 200 TYPE is now ASCII PASV 227 Entering Passive Mode (<serverip>,132,100) connecting data channel to <serverip>:132,100(33892) Substituting connection address <serverip> for private address <serverip> from PASV Using external address <customer ext. ip> instead of local address <customer int. ip> for PORT command PORT 82,161,56,225,195,181 200 PORT command successful LIST Error reading response from server. It appears that the connection is dead. Attempting reconnect... Any help is appreciated.

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• 6to4 tunnel: cannot ping6 to ipv6.google.com?

  - by quanta

  Hi folks, Follow the Setup of 6to4 tunnel guide, I want to test ipv6 connectivity, but I cannot ping6 to ipv6.google.com. Details below: # traceroute 192.88.99.1 traceroute to 192.88.99.1 (192.88.99.1), 30 hops max, 40 byte packets 1 static.vdc.vn (123.30.53.1) 1.514 ms 2.622 ms 3.760 ms 2 static.vdc.vn (123.30.63.117) 0.608 ms 0.696 ms 0.735 ms 3 static.vdc.vn (123.30.63.101) 0.474 ms 0.477 ms 0.506 ms 4 203.162.231.214 (203.162.231.214) 11.327 ms 11.320 ms 11.312 ms 5 static.vdc.vn (222.255.165.34) 11.546 ms 11.684 ms 11.768 ms 6 203.162.217.26 (203.162.217.26) 42.460 ms 42.424 ms 42.401 ms 7 218.188.104.173 (218.188.104.173) 42.489 ms 42.462 ms 42.415 ms 8 218.189.5.10 (218.189.5.10) 42.613 ms 218.189.5.42 (218.189.5.42) 42.273 ms 42.300 ms 9 d1-26-224-143-118-on-nets.com (118.143.224.26) 205.752 ms d1-18-224-143-118-on-nets.com (118.143.224.18) 207.130 ms d1-14-224-143-118-on-nets.com (118.143.224.14) 206.970 ms 10 218.189.5.150 (218.189.5.150) 207.456 ms 206.349 ms 206.941 ms 11 * * * 12 10gigabitethernet2-1.core1.lax1.he.net (72.52.92.121) 214.087 ms 214.426 ms 214.818 ms 13 192.88.99.1 (192.88.99.1) 207.215 ms 199.270 ms 209.391 ms # ifconfig tun6to4 tun6to4 Link encap:IPv6-in-IPv4 inet6 addr: 2002:x:x::/16 Scope:Global inet6 addr: ::x.x.x.x/128 Scope:Compat UP RUNNING NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:11 dropped:0 overruns:0 carrier:11 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) # iptunnel sit0: ipv6/ip remote any local any ttl 64 nopmtudisc tun6to4: ipv6/ip remote any local x.x.x.x ttl 64 # ip -6 route show ::/96 via :: dev tun6to4 metric 256 expires 21332777sec mtu 1480 advmss 1420 hoplimit 4294967295 2002::/16 dev tun6to4 metric 256 expires 21332794sec mtu 1480 advmss 1420 hoplimit 4294967295 fe80::/64 dev eth0 metric 256 expires 15674592sec mtu 1500 advmss 1440 hoplimit 4294967295 fe80::/64 dev eth1 metric 256 expires 15674597sec mtu 1500 advmss 1440 hoplimit 4294967295 fe80::/64 dev tun6to4 metric 256 expires 21332794sec mtu 1480 advmss 1420 hoplimit 4294967295 default via ::192.88.99.1 dev tun6to4 metric 1 expires 21332861sec mtu 1480 advmss 1420 hoplimit 4294967295 # ping6 -n -c 4 ipv6.google.com PING ipv6.google.com(2404:6800:8005::68) 56 data bytes From 2002:x:x:: icmp_seq=0 Destination unreachable: Address unreachable From 2002:x:x:: icmp_seq=1 Destination unreachable: Address unreachable From 2002:x:x:: icmp_seq=2 Destination unreachable: Address unreachable From 2002:x:x:: icmp_seq=3 Destination unreachable: Address unreachable --- ipv6.google.com ping statistics --- 4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 2999ms What is my problem? Thanks,

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• Issues with static IP (Ubuntu Server 10.04)

  - by letseatfood

  I am following this tutorial for setting up a testing server for my web development projects. When I attempt setting up a static IP address (using the configuration below), I receive the error "ping: unknown host www.google.com" when I attempt using ping. auto eth0 iface eth0 inet static address 192.168.0.100 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1 Ping works fine when the configuration is: auto eth0 iface eth0 inet static I am a novice to server setup and administration.

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• Total newb having SSH tunnel and remote MySQL access problems

  - by kscott

  I don't often work with linux or need to SSH tunnel into remote MySQL databases, so pardon my ignorance. I'm using Windows 7 and am needing to connect to a remote MySQL instance on a Linux server. For months I had been using the HeidiSQL client application successfully. Today two things happened: the DB moved to a new server and I updated HeidiSQL, now I cannot log in to the MySQL server, when attempting I get this message from Heidi: SQL Error (2003) in statement #0: Can't connect to MySQL server on 'localhost' (10061) If I use Putty, I can connect to the server and get MySQL access through command line, including fetching data from the DB. I assume this means my credentials and address are correct, but do not understand why putting those same details into HeidiSQL's SSH tunnel info won't work. I also downloaded the MySQL Workbench and attempted to set up a connection through that client and got this message: Cannot Connect to Database Server Your connection attempt failed for user 'myusername' from your host to server at localhost:3306: Lost connection to MySQL server at 'reading initial communication packet', system error: 0 Please: 1 Check that mysql is running on server localhost 2 Check that mysql is running on port 3306 (note: 3306 is the default, but this can be changed) 3 Check the myusername has rights to connect to localhost from your address (mysql rights define what clients can connect to the server and from which machines) 4 Make sure you are both providing a password if needed and using the correct password for localhost connecting from the host address you're connecting from From Googling around I see that it could be related to the MySQL bind-address, but I am a third party sub-contractor with no access to the MySQL settings of this box and the system admin is assuring me that I'm an idiot and need to figure it out on my end. This is completely possible but I don't know what else to try. Edit 1 - The client settings I am using In Heidi and MySQL Workbench I am using the following: SSH host + port: theHostnameOfTheRemoteServer.com:22 {this is the same host I can Putty to} SSH Username: mySSHusername {the same user name I use for my Putty connection} SSH Password: mySSHpassword {the same password for the Putty connection} Local port: 3307 {this is on the SSH settings tab and was defaulted to 3307 by Heidi, changing it to 3306 gives me a different error: SQL Error (1045) in statement #0: Access denied for user 'mySQLusername'@'localhost' (using password: YES)"} MySQL host: theHostnameOfTheRemoteServer.com {consensus seems to be I should use 'localhost' here} MySQL User: mySQLusername {which I can connect with once in with Putty} MySQL Password: mySQLpassword {which works once in with Putty} Port: 3306

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• Why is my router not routing?

  - by dwj

  Starting a week and half ago my router stopped working with my cable modem. I went to sleep with it working and woke up with it not. I swapped in another router and am still having issues; I was gone for 10 days so now I'm back to trying to figure it out. While I was gone I left everything (cable modem, router, and computer) powered off. My setup: Comcast Ambit cable modem (from Comcast) Netgear WGR614 v4 router -- replaced with Linksys WRT54GS v1.1 Windows XP SP3 other computers, all currently unplugged The modem is using the firmware (ver 2.105.2001) provided by Comcast; hardware version 1.3 The Linksys router is using FW ver 4.71.4 (latest for this release of HW), factory defaults I am only using the wired connections; no wireless. I have swapped out all of the cat5 cable. If I plug my computer directly into the cable modem, I can ping by name or number. Everything works perfectly. If I plug my computer into the router and the router into the modem, I cannot access anything outside of my local network. This is the exact setup I've used for the past 5 years; there were no changes in the past year. Now here's the interesting part: I can log into the Linksys router and get status information from it; everything appears good. Using the Diagnostics, I can run ping and traceroute to any site on the internet. These work perfectly. From my computer, I can ping the router and the modem. However, I cannot ping anything on the internet by with name or number. If I plug in another computer, I can ping it successfully. I've included two transcripts below that show these two attempts. Addresses, DNS, gateways, etc. look good. I cannot access the internet through either router. I am at a loss here. Suggestions? Help! Computer to Router to Cable Modem C:\ipconfig /renew Windows IP Configuration No operation can be performed on Bluetooth Network while it has its media disconnected. Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : hsd1.ca.comcast.net. IP Address. . . . . . . . . . . . : 192.168.1.100 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.1 Ethernet adapter Bluetooth Network: Media State . . . . . . . . . . . : Media disconnected C:\ipconfig /all Windows IP Configuration Host Name . . . . . . . . . . . . : wynton Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Unknown IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : hsd1.ca.comcast.net. Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : hsd1.ca.comcast.net. Description . . . . . . . . . . . : Intel(R) 82562V-2 10/100 Network Connection Physical Address. . . . . . . . . : 00-1D-09-9B-45-EB Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 192.168.1.100 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.1 DHCP Server . . . . . . . . . . . : 192.168.1.1 DNS Servers . . . . . . . . . . . : 68.87.76.178 68.87.78.130 Lease Obtained. . . . . . . . . . : Monday, March 22, 2010 10:21:55 PM Lease Expires . . . . . . . . . . : Tuesday, March 23, 2010 10:21:55 PM Ethernet adapter Bluetooth Network: Media State . . . . . . . . . . . : Media disconnected Description . . . . . . . . . . . : Bluetooth LAN Access Server Driver Physical Address. . . . . . . . . : 00-0A-3A-6F-68-41 C:\ping google.com Ping request could not find host google.com. Please check the name and try again . C:\ping 74.125.19.104 Pinging 74.125.19.104 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 74.125.19.104: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss), C:\ Computer to Cable Modem Directly C:\ipconfig /renew Windows IP Configuration No operation can be performed on Bluetooth Network while it has its media disconnected. Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : hsd1.ca.comcast.net. IP Address. . . . . . . . . . . . : 71.204.149.195 Subnet Mask . . . . . . . . . . . : 255.255.252.0 Default Gateway . . . . . . . . . : 71.204.148.1 Ethernet adapter Bluetooth Network: Media State . . . . . . . . . . . : Media disconnected C:\ipconfig /all Windows IP Configuration Host Name . . . . . . . . . . . . : wynton Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Unknown IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : hsd1.ca.comcast.net. Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : hsd1.ca.comcast.net. Description . . . . . . . . . . . : Intel(R) 82562V-2 10/100 Network Connection Physical Address. . . . . . . . . : 00-1D-09-9B-45-EB Dhcp Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 71.204.149.195 Subnet Mask . . . . . . . . . . . : 255.255.252.0 Default Gateway . . . . . . . . . : 71.204.148.1 DHCP Server . . . . . . . . . . . : 68.87.76.10 DNS Servers . . . . . . . . . . . : 68.87.76.178 68.87.78.130 Lease Obtained. . . . . . . . . . : Monday, March 22, 2010 10:18:50 PM Lease Expires . . . . . . . . . . : Monday, March 22, 2010 11:12:31 PM Ethernet adapter Bluetooth Network: Media State . . . . . . . . . . . : Media disconnected Description . . . . . . . . . . . : Bluetooth LAN Access Server Driver Physical Address. . . . . . . . . : 00-0A-3A-6F-68-41 C:\ping google.com Pinging google.com [74.125.19.99] with 32 bytes of data: Reply from 74.125.19.99: bytes=32 time=20ms TTL=55 Reply from 74.125.19.99: bytes=32 time=17ms TTL=55 Reply from 74.125.19.99: bytes=32 time=28ms TTL=55 Reply from 74.125.19.99: bytes=32 time=18ms TTL=55 Ping statistics for 74.125.19.99: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 17ms, Maximum = 28ms, Average = 20ms C:\ping 74.125.19.104 Pinging 74.125.19.104 with 32 bytes of data: Reply from 74.125.19.104: bytes=32 time=18ms TTL=55 Reply from 74.125.19.104: bytes=32 time=18ms TTL=55 Reply from 74.125.19.104: bytes=32 time=17ms TTL=55 Reply from 74.125.19.104: bytes=32 time=16ms TTL=55 Ping statistics for 74.125.19.104: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 16ms, Maximum = 18ms, Average = 17ms C:\

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• Spanning-tree setup with incompatible switches

  - by wfaulk

  I have a set of eight HP ProCurve 2910al-48G Ethernet switches at my datacenter that are set up in a star topology with no physical loops. I want to partially mesh the switches for redundancy and manage the loops with a spanning-tree protocol. However, our connection to the datacenter is provided by two uplinks, each to a Cisco 3750. The datacenter's switches are handling the redundant connection using PVST spanning-tree, which is a Cisco-proprietary spanning-tree implementation that my HP switches do not support. It appears that my switches are not participating in the datacenter's spanning-tree domain, but are blindly passing the BPDUs between the two switchports on my side, which enables the datacenter's switches to recognize the loop and put one of the uplinks into the Blocking state. This is somewhat supposition, but I can confirm that, while my switches say that both of the uplink ports are forwarding, only one is passing any real quantity of data. (I am assuming that I cannot get the datacenter to move away from PVST. I don't know that I'd want them to make that significant of a change anyway.) The datacenter has also sent me this output from their switches (which I have expurgated of any identifiable info): 3750G-1#sh spanning-tree vlan nnn VLAN0nnn Spanning tree enabled protocol ieee Root ID Priority 10 Address 00d0.0114.xxxx Cost 4 Port 5 (GigabitEthernet1/0/5) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32mmm (priority 32768 sys-id-ext nnn) Address 0018.73d3.yyyy Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 sec Interface Role Sts Cost Prio.Nbr Type ------------------- ---- --- --------- -------- -------------------------------- Gi1/0/5 Root FWD 4 128.5 P2p Gi1/0/6 Altn BLK 4 128.6 P2p Gi1/0/8 Altn BLK 4 128.8 P2p and: 3750G-2#sh spanning-tree vlan nnn VLAN0nnn Spanning tree enabled protocol ieee Root ID Priority 10 Address 00d0.0114.xxxx Cost 4 Port 6 (GigabitEthernet1/0/6) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32mmm (priority 32768 sys-id-ext nnn) Address 000f.f71e.zzzz Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 sec Interface Role Sts Cost Prio.Nbr Type ------------------- ---- --- --------- -------- -------------------------------- Gi1/0/1 Desg FWD 4 128.1 P2p Gi1/0/5 Altn BLK 4 128.5 P2p Gi1/0/6 Root FWD 4 128.6 P2p Gi1/0/8 Desg FWD 4 128.8 P2p The uplinks to my switches are on Gi1/0/8 on both of their switches. The uplink ports are configured with a single tagged VLAN. I am also using a number of other tagged VLANs in my switch infrastructure. And, to be clear, I am passing the tagged VLAN I'm receiving from the datacenter to other ports on other switches in my infrastructure. My question is: how do I configure my switches so that I can use a spanning tree protocol inside my switch infrastructure without breaking the datacenter's spanning tree that I cannot participate in?

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• Windows 8.1 IRQL_NOT_LESS_OR_EQUAL with Asus PCE-n53

  - by JArsenault89

  I saw the following question, and it is the exact same problem on my machine, I have tracked it to the ASUS PCE-n53 wireless card in my desktop. Does anyone know of a workaround? Windows 8.1 RTM installation crashes The adapter worked fine in windows 8... any ideas? EDIT: Crash Dump Analysis * Bugcheck Analysis * * IRQL_NOT_LESS_OR_EQUAL (a) An attempt was made to access a pageable (or completely invalid) address at an interrupt request level (IRQL) that is too high. This is usually caused by drivers using improper addresses. If a kernel debugger is available get the stack backtrace. Arguments: Arg1: 0000000000000000, memory referenced Arg2: 0000000000000002, IRQL Arg3: 0000000000000001, bitfield : bit 0 : value 0 = read operation, 1 = write operation bit 3 : value 0 = not an execute operation, 1 = execute operation (only on chips which support this level of status) Arg4: fffff801ef4f1316, address which referenced memory Debugging Details: WRITE_ADDRESS: 0000000000000000 CURRENT_IRQL: 2 FAULTING_IP: nt!KeReleaseSpinLock+16 fffff801`ef4f1316 f048832100 lock and qword ptr [rcx],0 DEFAULT_BUCKET_ID: WIN8_DRIVER_FAULT BUGCHECK_STR: AV PROCESS_NAME: System ANALYSIS_VERSION: 6.3.9600.16384 (debuggers(dbg).130821-1623) amd64fre TRAP_FRAME: ffffd00020d45550 -- (.trap 0xffffd00020d45550) NOTE: The trap frame does not contain all registers. Some register values may be zeroed or incorrect. rax=0000000000000001 rbx=0000000000000000 rcx=0000000000000000 rdx=0000000055920200 rsi=0000000000000000 rdi=0000000000000000 rip=fffff801ef4f1316 rsp=ffffd00020d456e0 rbp=ffffd00020d45768 r8=0000000055920222 r9=0000000035930000 r10=0000000055920222 r11=ffffd00020d456a8 r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000 iopl=0 nv up ei pl zr na po nc nt!KeReleaseSpinLock+0x16: fffff801ef4f1316 f048832100 lock and qword ptr [rcx],0 ds:0000000000000000=???????????????? Resetting default scope LOCK_ADDRESS: fffff801ef6da360 -- (!locks fffff801ef6da360) Resource @ nt!PiEngineLock (0xfffff801ef6da360) Exclusively owned Contention Count = 6 Threads: ffffe000010ff040-01<* 1 total locks, 1 locks currently held PNP_TRIAGE: Lock address : 0xfffff801ef6da360 Thread Count : 1 Thread address: 0xffffe000010ff040 Thread wait : 0x1fbe LAST_CONTROL_TRANSFER: from fffff801ef5647e9 to fffff801ef558ca0 STACK_TEXT: ffffd00020d45408 fffff801ef5647e9 : 000000000000000a 0000000000000000 0000000000000002 0000000000000001 : nt!KeBugCheckEx ffffd00020d45410 fffff801ef56303a : 0000000000000001 0000000000000000 ffff0c83e3e25300 ffffd00020d45550 : nt!KiBugCheckDispatch+0x69 ffffd00020d45550 fffff801ef4f1316 : 00000000000a5890 0000000000000001 0000000000000000 ffffe00004c00000 : nt!KiPageFault+0x23a ffffd00020d456e0 fffff80003b430ad : 00000000000afe80 ffffe00004c00000 00000000000a2f80 0000000035720000 : nt!KeReleaseSpinLock+0x16 ffffd00020d45710 fffff80003ac249f : ffffe00004c00000 00000000000000a8 ffffe00004c85050 0000000000000800 : netr28x+0x840ad ffffd00020d457b0 fffff80000b76475 : ffffd00020d459e8 ffffd00020d459f0 ffffe00004ac2006 ffffe00004ac21a0 : netr28x+0x349f ffffd00020d459a0 fffff80000baa248 : ffffe00004ac2eb8 0000000000000000 ffffe00000000000 ffffe00004ac21a0 : ndis!ndisMInvokeInitialize+0x39 ffffd00020d459e0 fffff80000b74784 : 0000000000000050 ffffe00004907ba0 0000000000000000 01cecbbc328e6cde : ndis!ndisMInitializeAdapter+0x4dc ffffd00020d46050 fffff80000b74d3d : 0000000000000050 ffffe0000443e770 ffffc00000951480 ffffe00004ac21a0 : ndis!ndisInitializeAdapter+0x60 ffffd00020d460a0 fffff80000b74c14 : ffffe00004ac21a0 ffffe00004ac2050 ffffe000047ec2a0 0000000000000000 : ndis!ndisPnPStartDevice+0x89 ffffd00020d460f0 fffff80000b87695 : ffffe00004ac21a0 ffffe00004ac21a0 ffffd00020d461b0 ffffe000047ec2a0 : ndis!ndisStartDeviceSynchronous+0x58 ffffd00020d46140 fffff80000b6a760 : ffffe000047ec2a0 ffffe00004ac21a0 0000000000000000 0000000000000000 : ndis!ndisPnPIrpStartDevice+0x13471 ffffd00020d46170 fffff8000032576c : ffffe00004b11501 ffffe00004b11570 0000000000000001 fffff80000325880 : ndis!ndisPnPDispatch+0x140 ffffd00020d461e0 fffff8000030b40a : ffffe000047ec2a0 0000000000000106 ffffd00020d462f0 ffffe00004b116c0 : Wdf01000!FxPkgFdo::PnpSendStartDeviceDownTheStackOverload+0xe8 ffffd00020d46250 fffff80000305942 : 0000000000000106 ffffd00020d462f0 0000000000000105 ffffd00020d464d0 : Wdf01000!FxPkgPnp::PnpEventInitStarting+0xa ffffd00020d46280 fffff80000305a5a : ffffe00004b116c8 0000000000000002 ffffe00004b11570 ffffe00004b11600 : Wdf01000!FxPkgPnp::PnpEnterNewState+0x102 ffffd00020d46310 fffff80000305bc4 : 0000000000000000 ffffd00020d46400 ffffe00004b116a0 0000000000000000 : Wdf01000!FxPkgPnp::PnpProcessEventInner+0xc2 ffffd00020d46390 fffff8000030c27a : 0000000000000000 ffffe00004b11570 0000000000000000 ffffe00004b11570 : Wdf01000!FxPkgPnp::PnpProcessEvent+0xe4 ffffd00020d46430 fffff80000300936 : ffffe00004b11570 ffffd00020d464c0 0000000000000000 ffffe00004a0e630 : Wdf01000!FxPkgPnp::_PnpStartDevice+0x1e ffffd00020d46460 fffff800002fba18 : ffffe000047ec2a0 ffffe000047ec2a0 0000000000000000 ffffe0000486f020 : Wdf01000!FxPkgPnp::Dispatch+0xd2 ffffd00020d464d0 fffff801ef838796 : 0000000000000000 fffff801ef6aa101 0000000000000000 ffffd000208aa180 : Wdf01000!FxDevice::DispatchWithLock+0x7d8 ffffd00020d465b0 fffff801ef4d5bad : ffffe000011dc3a0 ffffd00020d46659 0000000000000000 fffff801ef7f5ba4 : nt!PnpAsynchronousCall+0x102 ffffd00020d465f0 fffff801ef838e57 : ffffe000011db8d0 ffffe000011db8d0 ffffe00004a8d060 ffffc00002b11200 : nt!PnpStartDevice+0xc5 ffffd00020d466c0 fffff801ef838fe7 : ffffe000011db8d0 ffffe000011db8d0 0000000000000000 ffffe000011db8d0 : nt!PnpStartDeviceNode+0x147 ffffd00020d46790 fffff801ef7fd19e : ffffe000011db8d0 0000000000000001 0000000000000001 ffffe00000000001 : nt!PipProcessStartPhase1+0x53 ffffd00020d467d0 fffff801ef897b17 : ffffe000011db8d0 0000000000000001 0000000000000000 fffff801ef7ef7b2 : nt!PipProcessDevNodeTree+0x3ce ffffd00020d46a50 fffff801ef4f5033 : 0000000100000003 0000000000000000 0000000000000000 0000000000000000 : nt!PiRestartDevice+0xaf ffffd00020d46aa0 fffff801ef44565d : fffff801ef4f4c90 ffffd00020d46bd0 0000000000000000 ffffe00004a10170 : nt!PnpDeviceActionWorker+0x3a3 ffffd00020d46b50 fffff801ef4eec80 : 0000000000000000 ffffe000010ff040 ffffe000010ff040 ffffe0000035c900 : nt!ExpWorkerThread+0x2b5 ffffd00020d46c00 fffff801ef55f2c6 : ffffd00020472180 ffffe000010ff040 ffffe00000608040 ffffc00000002710 : nt!PspSystemThreadStartup+0x58 ffffd00020d46c60 0000000000000000 : ffffd00020d47000 ffffd00020d41000 0000000000000000 0000000000000000 : nt!KiStartSystemThread+0x16 STACK_COMMAND: kb FOLLOWUP_IP: netr28x+840ad fffff800`03b430ad 4533e4 xor r12d,r12d SYMBOL_STACK_INDEX: 4 SYMBOL_NAME: netr28x+840ad FOLLOWUP_NAME: MachineOwner MODULE_NAME: netr28x IMAGE_NAME: netr28x.sys DEBUG_FLR_IMAGE_TIMESTAMP: 51de7a8d FAILURE_BUCKET_ID: AV_netr28x+840ad BUCKET_ID: AV_netr28x+840ad ANALYSIS_SOURCE: KM FAILURE_ID_HASH_STRING: km:av_netr28x+840ad FAILURE_ID_HASH: {a1f86ced-f566-ac23-afeb-1aa88ea5ab8f} Followup: MachineOwner

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• Share 3G connection over WiFi-LAN network

  - by kush.impetus

  This is how I have established network between my PC and my laptop at home (being novice in networking, it took me few days to achieve the feat). And it is working perfectly. I can easily share files between them. Laptop IP Address: 192.168.1.4 Subnet mask: 255.255.255.0 Default Gateway: 192.168.1.2 Desktop IP Address: 192.168.1.5 Subnet mask: 255.255.255.0 Default Gateway: 192.168.1.2 ASUS RT-N10+ Router IP Address: 192.168.1.4 Default Gateway: 192.168.1.2 I have connected the Desktop PC to the router using a LAN cable, and laptop to router over WiFi. Both, PC and laptop are running on Windows 7 OS, are on same HomeGroup, have same username / password. Also, I have connected the Ethernet cable to LAN port 1 of the router. Click here to view a graphical representation of the network. Can't post image here, because I don't have 10 reputation points. Now, what I want is use connect to Internet using a 3G USB modem on one device and share it over the network on the other. I tried Huawei and Micromax 3G USB modem. Both obtain a new IP address whenever I connect to Internet (means they have dynamic IPs). Rest, both have Subnet Mask as 255.255.255.255 and Default Gateway as 0.0.0.0. In that case, I cannot directly share Internet from the modem. Preferred DNS is blank for now in both, laptop and PC. What I am planning to do is to connect to Internet on laptop using the 3G modem and share the Internet connection over laptop's Wi-Fi (as hotspot) using Connectify, which I have done already. That, I suppose, will broadcast a static IP to connect to. Now what I can't figure out is that what changes should I make to the network settings of the router and the PC so that PC connects to the Internet broadcast by Connectify? Is that possible on the first hand? Please note that I am trying to implement the network without spending anything extra (for purchasing as USB WiFi adapter for PC, of course, which could have made the life lot easier for me). Thanks in advance

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• mysql configuration problem Error ERROR 2002 (HY000): Can't connect to local MySQL server through so

  - by manugupt1

  I recently installed OpenSuse11.1 and tried configuring mysql with it however after installation I was not even able to start it off I got the following error ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) As suggested in one of the forums I enabled the skip-networking option in /etc/my.cnf which did not help I also tried binding it to the address using bind-address = 127.0.0.1 in the same /etc/my.cnf Please help me what to do......

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• Finding all domain names that resolve to the same ip?

  - by Janak

  Lately I've been tracking a spammer on craigslist. I recently discovered that he's added a new technique to his arsenal, he registered a whole bunch of domain names but they all resolve to the same ip address. Is there any way to take an ip address and get a list of all the domain names that resolve to that ip?

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• Some Windows AD user property cannot be changed by AD user himself, what controls it?

  - by Jimm Chen

  I'm curious with a question I find. An Windows Active Directory user can change his own telephone number, street address etc, but can NOT change his own email-address registered on the AD. Using Python+pywin32 I can also verify this behavior. When trying to change own EmailAddress, I got error General access denied error . I'd like to know where in the AD this allow/deny behavior is defined. Thank you.

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• Issues connection to Ubuntu via PuTTy

  - by user1787262

  I'm not sure this is the appropriate stack exchange site to post this question on. If not, please flag this for migration. I am trying to use PuTTy ssh into my ubuntu machine which is wirelessly connected to the same network. I originally ran ifconfig to get my ubuntu machines private network IP address. I then verified that ssh was running, I even ssh'd into my school network and then into the ubuntu machine itself. No problems yet. On my windows 8 machine I ran ipconfig to get my private network IPv4 address. I then pinged my ubunty machines IP and 100% of packets were received. I figured, "OK we are ready to use PuTTy to connect to my Ubuntu Machine". Keep in mind this was my first time using PuTTy. I tried entering the IP of my ubuntu machine in the PuTTy Config GUI but I got a connection timeout. At this moment I don't really know what's going on, SSH is running on port 22 of my Ubuntu machine and I can ping the machine why is it not connecting? (I tried [username]@ip too). So I went on my Ubuntu machine and ran nmap -sP 192.168.0.1/24 and found that my windows machines IP did not show up, the host is down. I'm at a lost in something I am not very familiar with. Would anyone be able to help me or direct me to some resources that would trouble shoot my problem? Thank you EDIT (ADDITION): tyler@tyler-Aspire-5250:~$ nmap -v 192.168.0.123 Starting Nmap 6.40 ( http://nmap.org ) at 2014-06-06 01:56 MDT Initiating Ping Scan at 01:56 Scanning 192.168.0.123 [2 ports] Completed Ping Scan at 01:56, 3.00s elapsed (1 total hosts) Nmap scan report for 192.168.0.123 [host down] Read data files from: /usr/bin/../share/nmap Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn Nmap done: 1 IP address (0 hosts up) scanned in 3.14 seconds tyler@tyler-Aspire-5250:~$ nmap -Pn 192.168.0.123 Starting Nmap 6.40 ( http://nmap.org ) at 2014-06-06 01:56 MDT Nmap scan report for 192.168.0.123 Host is up (0.022s latency). Not shown: 998 filtered ports PORT STATE SERVICE 2869/tcp open icslap 5357/tcp open wsdapi Nmap done: 1 IP address (1 host up) scanned in 72.51 seconds

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• Is it possible to do DNS-based ACLs on a Cisco ASA?

  - by pickles

  Short of using static IP addresses, is it possible to have a Cisco ASA use a DNS name rather than an IP address? For instance, if I want to limit a host in the DMZ to access only one particular web service, but that web service might be globally load balanced or using DynDNS or cloud, how can the ACL be expressed so that a fixed IP address isn't used and the admin doesn't have to keep opening and closing down IP addresses?

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• how to change [email protected] > [email protected], no longer in UK

  - by adolf garlic

  I created a gmail account ages ago whilst living in the UK where google has trademark problem with gmail (similar to budweiser v budvar dispute) Now I no longer live in the uk, how can I change the address from being [email protected] to simply [email protected] I've changed the 'reply address' to be gmail, and it works fine, but it's still annoying.

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• I just restarted Apache and now the server is down

  - by James

  I am pretty terrified right now. I'm scared I'm going to get a call in a couple minutes from a hundred people saying the website doesn't work. I was at the terminal changing some configuration files when I went to restart the server to update the .conf files with this command: /etc/init.d/apache2 graceful After I ran that, none of the websites work and I have no idea what to do. There are about 100 errors I am getting according to the log files. They all begin with "PHP Notice" and most relate to "use of undefined constant" Also, I just spoke with a coworker, describing what I did, and he noticed that there are two installations of apache on the server and that I restarted the one that we don't use. This is what the error log says (assuming it's the correct error log): [Wed Jan 05 11:52:06 2011] [notice] Graceful restart requested, doing restart Warning: DocumentRoot [/u/apps/staging/antetr/current/public/] does not exist [Wed Jan 05 11:52:08 2011] [warn] NameVirtualHost *:80 has no VirtualHosts (98)Address already in use: make_sock: could not bind to address [::]:80 (98)Address already in use: make_sock: could not bind to address 0.0.0.0:80 no listening sockets available, shutting down Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs FINAL UPDATE: Ok, I fixed it. The problem was (as you experts facepalming probably know) that it couldn't access an error log in the directory I was working in. I created an empty error log file and tried the restart command again and now all the sites are back up... Though my original problem is still there.. Thanks to all those who offered advice, it really helped and let me breathe for a moment.

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• postgres - sharing same pg_hba.conf between IPV4 system and IPV6 system

  - by StackTrace

  I am trying to package postgres from one machine to another. The source is windows 7 with IP V6 and target is windows XP with IPv4. Starting postgres on windows XP gives error 2010-11-01 12:01:07 IST LOG: invalid IP address "::1": Unknown host 2010-11-01 12:01:07 IST CONTEXT: line 76 of configuration file "C:/postgres/data/pg_hba.conf" 2010-11-01 12:01:07 IST FATAL: could not load pg_hba.conf -- postgres - sharing same pg_hba.conf between IpV4 system and IpV6 system Here is how my pg_hba.conf looks like # TYPE DATABASE USER CIDR-ADDRESS METHOD # IPv4 local connections: host all all 127.0.0.1/32 trust # IPv6 local connections: host all all ::1/128 trust

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• I just restarted Apache and now the server is down

  - by James

  I am pretty terrified right now. I'm scared I'm going to get a call in a couple minutes from a hundred people saying the website doesn't work. I was at the terminal changing some configuration files when I went to restart the server to update the .conf files with this command: /etc/init.d/apache2 graceful After I ran that, none of the websites work and I have no idea what to do. There are about 100 errors I am getting according to the log files. They all begin with "PHP Notice" and most relate to "use of undefined constant" Also, I just spoke with a coworker, describing what I did, and he noticed that there are two installations of apache on the server and that I restarted the one that we don't use. This is what the error log says (assuming it's the correct error log): [Wed Jan 05 11:52:06 2011] [notice] Graceful restart requested, doing restart Warning: DocumentRoot [/u/apps/staging/antetr/current/public/] does not exist [Wed Jan 05 11:52:08 2011] [warn] NameVirtualHost *:80 has no VirtualHosts (98)Address already in use: make_sock: could not bind to address [::]:80 (98)Address already in use: make_sock: could not bind to address 0.0.0.0:80 no listening sockets available, shutting down Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs FINAL UPDATE: Ok, I fixed it. The problem was (as you experts facepalming probably know) that it couldn't access an error log in the directory I was working in. I created an empty error log file and tried the restart command again and now all the sites are back up... Though my original problem is still there.. Thanks to all those who offered advice, it really helped and let me breathe for a moment.

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• Can't FTP into server

  - by Roland

  I need to FTP in from one server to another If I FTP using my local PC using Krusader I'm able to FTP into the server but if I ssh into one server and I'm trying to FTP to the server using the same ftp credentials I get message [Resolving host address...] I know this address is correct since I can ping it from the server I use the following command lftp 'open -u username,password server' If I use the same command to ftp to a different server it works. Any help advise will be greatly appreciated.

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• VPN Connection causes DNS to use wrong DNS server

  - by Bryan

  I have a Windows 7 PC on our company network (which is a member of our Active Directory). Everything works fine until I open a VPN connection to a customer's site. When I do connect, I lose network access to shares on the network, including directories such as 'Application Data' that we have a folder redirection policy for. As you can imagine, this makes working on the PC very difficult, as desktop shortcuts stop working, software stops working properly due to having 'Application Data' pulled from under it. Our network is routed (10.58.5.0/24), with other local subnets existing within the scope of 10.58.0.0/16. The remote network is on 192.168.0.0/24. I've tracked the issue down to being DNS related. As soon as I open the VPN tunnel, all my DNS traffic goes via the remote network, which explains the loss of local resources, but my question is, how can I force local DNS queries to go to our local DNS servers rather than our customers? The output of ipconfig /all when not connected to the VPN is below: Windows IP Configuration Host Name . . . . . . . . . . . . : 7k5xy4j Primary Dns Suffix . . . . . . . : mydomain.local Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : mydomain.local Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . . . . . : Broadcom NetLink (TM) Gigabit Ethernet Physical Address. . . . . . . . . : F0-4D-A2-DB-3B-CA DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::9457:c5e0:6f10:b298%10(Preferred) IPv4 Address. . . . . . . . . . . : 10.58.5.89(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : 31 January 2012 15:55:47 Lease Expires . . . . . . . . . . : 10 February 2012 10:11:30 Default Gateway . . . . . . . . . : 10.58.5.1 DHCP Server . . . . . . . . . . . : 10.58.3.32 DHCPv6 IAID . . . . . . . . . . . : 250629538 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-AC-76-2D-F0-4D-A2-DB-3B-CA DNS Servers . . . . . . . . . . . : 10.58.3.32 10.58.3.33 NetBIOS over Tcpip. . . . . . . . : Enabled This is the output of the same command with the VPN tunnel connected: Windows IP Configuration Host Name . . . . . . . . . . . . : 7k5xy4j Primary Dns Suffix . . . . . . . : mydomain.local Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : mydomain.local PPP adapter Customer Domain: Connection-specific DNS Suffix . : customerdomain.com Description . . . . . . . . . . . : CustomerDomain Physical Address. . . . . . . . . : DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes IPv4 Address. . . . . . . . . . . : 192.168.0.85(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : DNS Servers . . . . . . . . . . . : 192.168.0.16 192.168.0.17 Primary WINS Server . . . . . . . : 192.168.0.17 NetBIOS over Tcpip. . . . . . . . : Disabled Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . . . . . : Broadcom NetLink (TM) Gigabit Ethernet Physical Address. . . . . . . . . : F0-4D-A2-DB-3B-CA DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::9457:c5e0:6f10:b298%10(Preferred) IPv4 Address. . . . . . . . . . . : 10.58.5.89(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : 31 January 2012 15:55:47 Lease Expires . . . . . . . . . . : 10 February 2012 10:11:30 Default Gateway . . . . . . . . . : 10.58.5.1 DHCP Server . . . . . . . . . . . : 10.58.3.32 DHCPv6 IAID . . . . . . . . . . . : 250629538 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-AC-76-2D-F0-4D-A2-DB-3B-CA DNS Servers . . . . . . . . . . . : 10.58.3.32 10.58.3.33 NetBIOS over Tcpip. . . . . . . . : Enabled Routing table Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.58.5.1 10.58.5.89 20 10.58.5.0 255.255.255.0 On-link 10.58.5.89 276 10.58.5.89 255.255.255.255 On-link 10.58.5.89 276 10.58.5.255 255.255.255.255 On-link 10.58.5.89 276 91.194.153.42 255.255.255.255 10.58.5.1 10.58.5.89 21 127.0.0.0 255.0.0.0 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 127.0.0.1 306 192.168.0.0 255.255.255.0 192.168.0.95 192.168.0.85 21 192.168.0.85 255.255.255.255 On-link 192.168.0.85 276 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 10.58.5.89 276 224.0.0.0 240.0.0.0 On-link 192.168.0.85 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 10.58.5.89 276 255.255.255.255 255.255.255.255 On-link 192.168.0.85 276 The binding order for the interfaces is as follows: I've not configured the VPN tunnel to use the default gateway at the remote end, and network comms to nodes on both networks are fine. (i.e. I can ping any node on our network or the remote network). I've modified the PPTP connection properties to use the DNS servers 10.58.3.32 followed by 192.168.0.16, yet the query still goes to 192.168.0.16. Edit: The local resources that disappear are hosted on domain DFS roots, which might (or might not) be relevant.

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• VirtualBox 4.1.12 Ubuntu Host Bridged Networking

  - by hidden_premise

  Setup Ubuntu Server 11.10 x64 VirtualBox 4.1.12 One network adapter eth0 with a static IP address My /etc/network/interfaces looks like #Local loopback auto lo iface lo inet loopback #Primary Interface auto eth0 iface eth0 inet static address 10.0.0.6 netmask 255.255.255.0 gateway 10.0.0.1 Need Static IP for Ubuntu Host Static IP for multiple Ubuntu guests My attempt Downloaded the .deb for 64bit virtual box dpkg -i virtualbox.deb Create a VM and install ubuntu server 11.10 x64 from ISO Set the networking mode to bridged and choose 'eth0' as the interface Fail. None of the guides I can find for bridged networking work because everything changed since vbox 2

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• 6TO4 Windows 2003 DNS

  - by OptimAdam

  This is puzzling me a bit. We are running server 2003 DNS/DHCP and normally we disable IPV6 on the client end. But I have just noticed with windows 7 and server 2008 R2 if I disable IPv6 then it registers an 6TO4 address in DNS not its Standard IP address. If I enable IPv6 it registers its ip. Can anyone explain why this is? Regards Adam

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• Port forwarding to a computer with two NICs

  - by howdyHey

  I have a laptop which occasionally uses Ethernet and most of the time WiFi. Now I want to forward a port in the router so that it always points to my current IP. I'm likely to get different IPs from time to time and I can't really use a dedicated IP for the machine since the IPs are assigned by MAC address and the wireless card has a different MAC address than the Ethernet port. I'm using a NetGear CG3100 router.

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• Resolving CloudFlare DNS related mail delivery problems

  - by Andy Castles

  I recently started using CloudFlare and am having a few teething problems. Our domain is netlanguages.com and while we have a lot of sub-domains listen, we are currently only trialling a few of the servers through the CloudFlare CDN (for example, www.netlanguages.com is enabled for CDN, netlanguages.com is not). The actual CDN service seems to be reliable, but the problem that we are having is with DNS, and specifically with mail delivery. The background is that we have contact forms on our web site which use PHP mail() to send the details to end-users' email addresses, with the "from" address of the messages being [email protected] which is a valid address on our mail server. Most of the mails are arriving correctly, but a few specific people are not receiving them. The webserver uses qmail to deliver the messages, and the qmail log files show us some of the errors that the receiving mail servers return when they reject the mail delivery attempt. Two examples: Connected to 94.100.176.20 but sender was rejected./Remote host said: 421 DNS problem (interdominios.netlanguages.com). Try again later Connected to 213.186.33.29 but sender was rejected./Remote host said: 451 DNS temporary failure (#4.3.0) From what I can tell, the receiving SMTP server is doing a DNS lookup of some description on either the host of the "from" email address (netlanguages.com) or the server name given in the EHLO command of the SMTP conversation (in the first example above, interdominios.netlanguages.com), both of which should resolve to non-CloudFlare IP addresses. I've read that the CloudFlare DNS service is very reliable and fast but both of the problems above seem to point to a problem with remote servers unable to do DNS lookups. I should also point out that we changed our DNS to CloudFlare on 6th Feb, and since then started experiencing these mail delivery problems. On 22nd Feb we moved our DNS away from CloudFlare to see if the issues were related to CloudFlare and after a few hours delivery began to work. Then on 26th Feb I moved the DNS back to CloudFlare again and delivery problems started again. The issues definitely seems to be related to DNS, but I don't know if it's a configuration issue, or something else. Finally, I should say that our two DNS MX records point to non-CDN A record IP addresses, interdominios.netlanguages.com (the web and qmail server) also points to a non-CDN A record IP address. Does anyone know what the problem could be here? Any light you can shed on this will be most appreciated. Many thanks, Andy

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