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• KVM network bridge and public static IP for both host and guests

  - by Javier Martinez

  I have a Debian Server with 4 public static addresses. There is a KVM guest (also Debian) installed and running. What I want is to give the guest an IP of the host, so that both machines have public IPs. IP 1: 188.165.A.B IP 2: 178.33.CCC.D IP 3: 178.33.CCC.E IP 4: 178.33.CCC.F What should I do to have connection for host and guest ? This is network conf: # ifconfig br0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:188.165.A.B Bcast:188.165.255.255 Mask:255.255.255.0 inet6 addr: fe80::ea40:f2ff:fe0a:cc28/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3618 errors:0 dropped:4 overruns:0 frame:0 TX packets:4853 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:599562 (585.5 KiB) TX bytes:1693443 (1.6 MiB) eth0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet6 addr: fe80::ea40:f2ff:fe0a:cc28/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4274 errors:0 dropped:0 overruns:0 frame:0 TX packets:4879 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:720045 (703.1 KiB) TX bytes:1715641 (1.6 MiB) Interrupt:20 Memory:fe500000-fe520000 eth0:0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.D Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 eth0:1 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.E Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 eth0:2 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.F Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:27932 errors:0 dropped:0 overruns:0 frame:0 TX packets:27932 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1820862 (1.7 MiB) TX bytes:1820862 (1.7 MiB) vnet0 Link encap:Ethernet HWaddr fe:54:00:87:40:ec inet6 addr: fe80::fc54:ff:fe87:40ec/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:18 errors:0 dropped:0 overruns:0 frame:0 TX packets:204 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:1452 (1.4 KiB) TX bytes:16958 (16.5 KiB) #route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default aa.bb.cc.eu 0.0.0.0 UG 0 0 0 br0 188.165.255.0 * 255.255.255.0 U 0 0 0 br0 # brctl show bridge name bridge id STP enabled interfaces br0 8000.e840f20acc28 no eth0 vnet0 There is no firewall enabled and DNS is configured properly. What I want to achieve: | | | +----+-------------------------+-+------+ | | Host | | | | | | | | | | +------------+------+ | | eth0 | eth0:0-1 | | | 188.165.A.B | | | | | | | | | br0 vnet0 | | | +------------+------+ | | | | | | | | +------------+------+ | | | | | | | | eth0:2-+ | | | | 178.33.CCC.F | | | | | | | | Guest | | | +-------------------+ | +---------------------------------------+ Thanks you

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• KVM network bridge and public static IP for both host and guests

  - by Javier Martinez

  I have a Debian Server with 4 public static addresses. There is a KVM guest (also Debian) installed and running. What I want is to give the guest an IP of the host, so that both machines have public IPs. IP 1: 188.165.A.B IP 2: 178.33.CCC.D IP 3: 178.33.CCC.E IP 4: 178.33.CCC.F What should I do to have connection for host and guest ? This is network conf: # ifconfig br0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:188.165.A.B Bcast:188.165.255.255 Mask:255.255.255.0 inet6 addr: fe80::ea40:f2ff:fe0a:cc28/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3618 errors:0 dropped:4 overruns:0 frame:0 TX packets:4853 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:599562 (585.5 KiB) TX bytes:1693443 (1.6 MiB) eth0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet6 addr: fe80::ea40:f2ff:fe0a:cc28/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4274 errors:0 dropped:0 overruns:0 frame:0 TX packets:4879 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:720045 (703.1 KiB) TX bytes:1715641 (1.6 MiB) Interrupt:20 Memory:fe500000-fe520000 eth0:0 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.D Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 eth0:1 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.E Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 eth0:2 Link encap:Ethernet HWaddr e8:40:f2:0a:cc:28 inet addr:178.33.CCC.F Bcast:178.33.255.255 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:20 Memory:fe500000-fe520000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:27932 errors:0 dropped:0 overruns:0 frame:0 TX packets:27932 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1820862 (1.7 MiB) TX bytes:1820862 (1.7 MiB) vnet0 Link encap:Ethernet HWaddr fe:54:00:87:40:ec inet6 addr: fe80::fc54:ff:fe87:40ec/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:18 errors:0 dropped:0 overruns:0 frame:0 TX packets:204 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:1452 (1.4 KiB) TX bytes:16958 (16.5 KiB) #route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default aa.bb.cc.eu 0.0.0.0 UG 0 0 0 br0 188.165.255.0 * 255.255.255.0 U 0 0 0 br0 # brctl show bridge name bridge id STP enabled interfaces br0 8000.e840f20acc28 no eth0 vnet0 There is no firewall enabled and DNS is configured properly. What I want to achieve: | | | +----+-------------------------+-+------+ | | Host | | | | | | | | | | +------------+------+ | | eth0 | eth0:0-1 | | | 188.165.A.B | | | | | | | | | br0 vnet0 | | | +------------+------+ | | | | | | | | +------------+------+ | | | | | | | | eth0:2-+ | | | | 178.33.CCC.F | | | | | | | | Guest | | | +-------------------+ | +---------------------------------------+ Thanks you

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• How to configure DNS so that www.example.com goes to one server, *.example.com to another

  - by fishwebby

  I'm trying to set up my domain as follows, but I'm not actually sure if it's possible. I have a domain where I would like the base and www addresses to go to my static site, but others to go to my application server. For example: My domain is registered with Dreamhost, and my application is on a VPS at Webbynode. I've set up the domain in Dreamhost to use Webbynode's nameservers: ns1.dnswebby.com ns2.dnswebby.com ns3.dnswebby.com And in Webbynode I've set up a wildcard A record to point to the IP address of my VPS: * 1.2.3.4 A and this works nicely, if I go to app.example.com it resolves to my application server at Webbynode. However, what I'd like to do is have example.com and www.example.com go to my static site, hosted back at Dreamhost, whilst still having any other domain go to my app. What I've done to try and achieve this is set up these DNS "NS" entries at Webbynode, trying to get Dreamhost to resolve these domain names: (empty) ns1.dreamhost.com NS (empty) ns2.dreamhost.com NS (empty) ns3.dreamhost.com NS www ns1.dreamhost.com NS www ns2.dreamhost.com NS www ns3.dreamhost.com NS (I don't have a fixed IP address at Dreamhost so I can't just set up simple A records). However this doesn't work... does anyone have any idea if this is possible and if so how it could be done? Update: I've got this working now, as above for the domain (i.e. registered with Dreamhost, but using Webbynode's nameservers). To delegate the DNS for www.example.com to Dreamhost, I've got the following DNS entries set up: www.example.com. ns1.dreamhost.com. NS www.example.com. ns2.dreamhost.com. NS www.example.com. ns3.dreamhost.com. NS (note the full stops at the end) And to get example.com to resolve to my static site, I set up CNAME record: example.com. www.example.com. CNAME So now, example.com and www.example.com go to my static site on Dreamhost, and if they change the IP address of my shared hosting it won't affect me, and all other subdomains go to my application server. This seems to work nicely, but if anyone knows a better way to do it I'd be happy to hear it. Thanks to all who replied.

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• Can't ping devices by IP address for devices allocated IPs by DHCP

  - by GiddyUpHorsey

  I have a home network with a Trendnet wireless router and a Windows Domain. The Domain Controller/DNS server is a Windows 2000 Server and is configured to forward queries to DNS servers provided by the ISP. The router provides DHCP and is configured with the Windows 2000 Server as the DNS server. The network has been set up for a couple of years and usually works fine. When I connect iPhones to the network over WiFi, the router can ping the iPhones through its browser based admin interface, but Windows machines that are part of the Windows Domain cannot. A laptop was connected to the network over WiFi that wasn't joined to the domain and it could see the iPhones. The router UI shows that the laptop has a reserved IP allocated via DHCP. All machines either have a static or DHCP allocated IP on the 192.168.0.* subnet. Router - 192.168.0.1 - Static - Wired Windows Domain Controller - 192.168.0.8 - Static - Virtual Windows 7 Workstation - 192.168.0.200 - DHCP Auto - Wired VMWare ESXi Host - 192.168.0.201 - Static? - Wired iPhone 1 - 192.168.0.202 - DHCP Auto - WiFi iPhone 2 - 192.168.0.203 - DHCP Auto - WiFi Windows Vista Laptop - 192.168.0.204 - DHCP Reserved - WiFi Using the Windows 7 machine (200), I try to ping each machine and the only DHCP machine that responds is itself. The other DHCP machines fail with Reply from 192.168.0.200: Destination host unreachable.. Using nslookup fails with *** domain.controller.name can't find 192.168.0.203: Non-existent domain. Using the Windows 2000 Domain Controller (8), I try to ping each machine and the only DHCP machine that responds is the Windows 7 machine (200). Pinging the other DHCP machines fails with Request timed out.. Using nslookup also fails with *** domain.controller.name can't find 192.168.0.203: Non-existent domain. Using the iPhone 2 (203), I try to ping (Network Ping Lite) the machines with static IP addresses and that works fine. When I try to ping the Windows 7 machine (200) it is unable to get a response. How do I configure the DNS server/Windows Domain/Router properly so that the Windows Domain machines can see the IPs allocated via DHCP?

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• Problems sending SMTP email to large systems such as Gmail

  - by Martel

  I maintain a mail server. Recently messages sent to valid recipients on gmail, yahoo, and now roadrunner email addresses are bounced with similar messages: Here's one from gmail: The message, sent by [email protected], can not be delivered to following recipient(s): *recipient*@gmail.com There was a fatal SMTP error. Fatal DNS error: exchanger alt4.gmail-smtp-in.l.google.com. does not exist Delivery History Follows: [DLVR 000020 19-12-12 14:21:21] Delivering item 5573 [DLVR 000020 19-12-12 14:21:21] Resolving MX records for domain gmail.com [DLVR 000020 19-12-12 14:21:21] Retrieved 5 MX records for domain gmail.com [DLVR 000020 19-12-12 14:21:21] Delivering mail to 1 recipient(s) at domain gmail.com using exchanger gmail-smtp-in.l.google.com. [DLVR 000020 19-12-12 14:21:33] Host gmail-smtp-in.l.google.com. does not appear to exist... [DLVR 000020 19-12-12 14:21:33] Will try next exchanger [DLVR 000020 19-12-12 14:21:33] Delivering mail to 1 recipient(s) at domain gmail.com using exchanger alt1.gmail-smtp-in.l.google.com. [DLVR 000020 19-12-12 14:21:45] Host alt1.gmail-smtp-in.l.google.com. does not appear to exist... [DLVR 000020 19-12-12 14:21:45] Will try next exchanger [DLVR 000020 19-12-12 14:21:45] Delivering mail to 1 recipient(s) at domain gmail.com using exchanger alt2.gmail-smtp-in.l.google.com. [DLVR 000020 19-12-12 14:21:57] Host alt2.gmail-smtp-in.l.google.com. does not appear to exist... [DLVR 000020 19-12-12 14:21:57] Will try next exchanger [DLVR 000020 19-12-12 14:21:57] Delivering mail to 1 recipient(s) at domain gmail.com using exchanger alt3.gmail-smtp-in.l.google.com. [DLVR 000020 19-12-12 14:22:09] Host alt3.gmail-smtp-in.l.google.com. does not appear to exist... [DLVR 000020 19-12-12 14:22:09] Will try next exchanger [DLVR 000020 19-12-12 14:22:09] Delivering mail to 1 recipient(s) at domain gmail.com using exchanger alt4.gmail-smtp-in.l.google.com. [DLVR 000020 19-12-12 14:22:21] Host alt4.gmail-smtp-in.l.google.com. does not appear to exist... [DLVR 000020 19-12-12 14:22:21] Fatal error - host alt4.gmail-smtp-in.l.google.com. does not exist. Will bounce... [DLVR 000020 19-12-12 14:22:21] Bouncing to sender using bounce address [email protected]... Sometimes these emails get through, other times not. I'm at a loss to explain it.

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• Accessing guests on virtual network when connected to host via PPTP

  - by Viktor Elofsson

  I'm setting up a development machine which runs Ubuntu 12.04 and KVM for virtualization. I have a guest running Ubuntu 12.04 which can be accessed from the host via its IP address which is assigned by libvirt. The guest can also access the internet, no problem there. However, now I want to setup PPTP so I can connect to the host (from my workstation running Windows 7) and directly access guests without relying on SSH port forwarding. I can connect from my W7-machine to the host (PPTP), but I cannot access any virtual machines (which are accessable from the host directly). Relevant configuration files cat /etc/network/interfaces auto lo iface lo inet loopback # device: eth0 auto eth0 iface eth0 inet static address x.x.x.x broadcast x.x.x.x netmask x.x.x.x gateway x.x.x.x # default route to access subnet up route add -net x.x.x.x netmask x.x.x.x gw x.x.x.x eth0 virsh net-edit default <network> <name>default</name> <uuid>xxxxxxxx-72ce-3c20-af0f-d3a010f1bef0</uuid> <forward mode='nat'/> <bridge name='virbr0' stp='on' delay='0' /> <mac address='52:54:00:xx:xx:xx'/> <ip address='192.168.122.1' netmask='255.255.255.0'> <dhcp> <range start='192.168.122.2' end='192.168.122.254' /> <host mac='52:54:00:yy:yy:yy' name='web1' ip='192.168.122.11' /> </dhcp> </ip> </network> cat /etc/pptpd.conf (commented lines removed) # TAG: option # Specifies the location of the PPP options file. # By default PPP looks in '/etc/ppp/options' # option /etc/ppp/pptpd-options # TAG: logwtmp # Use wtmp(5) to record client connections and disconnections. # logwtmp #(Recommended) localip 192.168.122.1 remoteip 192.168.122.234-238,192.168.122.245 cat /etc/ppp/chap-secrets* # Secrets for authentication using CHAP # client server secret IP addresses xxxxx * yyyyyyyyyy 192.168.122.100 I get the correct IP address when connecting my W7-machine, but when I try to ping the virtual machine at 192.168.122.11 I get Reply from 192.168.122.1: Destination port unreachable. It's probably something trivial I'm missing but I can't for the life of me figure out what it is. So I'm turning to you, serverfault.

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• Configuring Windows 2003 As A Router

  - by Sean M

  I am trying to configure a Windows 2003 server to act as a router, so that the two subnetworks that I'm dealing with can communicate with one another without NAT. I am mostly sure that I have configured Windows 2003 incorrectly, and I'm finding it very difficult to drill down through Google results to something helpful. I have a 192.168.1.0/24 network that is my "production" network (in the sense that I'm in trouble if I screw it up) and a 10.0.0.0/8 network that is my test network. The 192.168.1.0 network is ruled by a gateway whose routing table looks like this (my address redacted): The Windows 2003 server, "prime," is multihomed. Its network adapters are at 192.168.1.122, (as seen above), 10.0.0.1, and 10.0.0.2. I added the Routing and Remote Access role to it, and enabled LAN routing. I do not have it using RIP or other routing protocols. Its current routing table is shown below. To me, it looks like all of the right routes are there for traffic to pass between the 192.168.1.0 network and the 10.0.0.0 network. However, traffic does not pass. The 10.0.0.11 and .12 clients cannot be contacted from the 192.168.1.0 network. When I use traceroute to try to get to them, the trace gets to the Windows 2003 server's 192.168.1.122 address, then produces nothing but "* * *" timeouts. When I try to traceroute to 192.168.1.1 from a 10.0.0.0-network client, I get "destination host unreachable." However, I know that the routing is working at least a little, because from the 192.168.1.0 network, I can connect to the Windows server just fine by referring to it as 10.0.0.1. What static routes would allow me to contact 10.0.0.11 and .12 from the 192.168.1.0 network? Is it possible to tell the Windows server "since you are a DHCP/DNS server, you already know routes to get to machines that are getting IP addresses from you, please add those to your routing table" ? Will using RIP or OSPF on the Windows server actually be helpful in this situation?

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• Installing Phusion Passenger 4.0.20 on Ubuntu 13.10

  - by tempestfire2002

  So I'm trying to install Passenger on the newest version of KUbuntu (13.10). I installed Apache2 using the apache2-mpm-worker package using the Muon Package Manager. And these are the commands I ran. rvmsudo gem install passenger rvmsudo passenger-install-apache2-module But I keep getting the following errors: [Fri Oct 18 15:52:13.227790 2013] [core:warn] [pid 13095] AH00111: Config variable ${APACHE_LOCK_DIR} is not defined [Fri Oct 18 15:52:13.227933 2013] [core:warn] [pid 13095] AH00111: Config variable ${APACHE_PID_FILE} is not defined [Fri Oct 18 15:52:13.227969 2013] [core:warn] [pid 13095] AH00111: Config variable ${APACHE_RUN_USER} is not defined [Fri Oct 18 15:52:13.227991 2013] [core:warn] [pid 13095] AH00111: Config variable ${APACHE_RUN_GROUP} is not defined [Fri Oct 18 15:52:13.228026 2013] [core:warn] [pid 13095] AH00111: Config variable ${APACHE_LOG_DIR} is not defined [Fri Oct 18 15:52:13.231737 2013] [core:warn] [pid 13095:tid 3074562624] AH00111: Config variable ${APACHE_RUN_DIR} is not defined [Fri Oct 18 15:52:13.232760 2013] [core:warn] [pid 13095:tid 3074562624] AH00111: Config variable ${APACHE_LOG_DIR} is not defined [Fri Oct 18 15:52:13.233043 2013] [core:warn] [pid 13095:tid 3074562624] AH00111: Config variable ${APACHE_LOG_DIR} is not defined [Fri Oct 18 15:52:13.233078 2013] [core:warn] [pid 13095:tid 3074562624] AH00111: Config variable ${APACHE_LOG_DIR} is not defined AH00526: Syntax error on line 74 of /etc/apache2/apache2.conf: Invalid Mutex directory in argument file:${APACHE_LOCK_DIR} -------------------------------------------- WARNING: Apache doesn't seem to be compiled with the 'prefork', 'worker' or 'event' MPM Phusion Passenger has only been tested on Apache with the 'prefork', the 'worker' and the 'event' MPM. Your Apache installation is compiled with the '' MPM. We recommend you to abort this installer and to recompile Apache with either the 'prefork', the 'worker' or the 'event' MPM. Press Ctrl-C to abort this installer (recommended). Press Enter if you want to continue with installation anyway. The result of my running apache2ctl -V is: Server version: Apache/2.4.6 (Ubuntu) Server built: Aug 9 2013 14:31:04 Server's Module Magic Number: 20120211:23 Server loaded: APR 1.4.8, APR-UTIL 1.5.2 Compiled using: APR 1.4.8, APR-UTIL 1.5.2 Architecture: 32-bit Server MPM: worker threaded: yes (fixed thread count) forked: yes (variable process count) Server compiled with.... -D APR_HAS_SENDFILE -D APR_HAS_MMAP -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled) -D APR_USE_SYSVSEM_SERIALIZE -D APR_USE_PTHREAD_SERIALIZE -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT -D APR_HAS_OTHER_CHILD -D AP_HAVE_RELIABLE_PIPED_LOGS -D DYNAMIC_MODULE_LIMIT=256 -D HTTPD_ROOT="/etc/apache2" -D SUEXEC_BIN="/usr/lib/apache2/suexec" -D DEFAULT_PIDLOG="/var/run/apache2.pid" -D DEFAULT_SCOREBOARD="logs/apache_runtime_status" -D DEFAULT_ERRORLOG="logs/error_log" -D AP_TYPES_CONFIG_FILE="mime.types" -D SERVER_CONFIG_FILE="apache2.conf" As can be seen, the server is compiled with the worker MPM, so why is passenger complaining? And how do I solve the above errors (warnings, really, but to be safe, I'd like to not have any warnings)? Thanks.

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• Installing the Newest KeePass for MacOSX from Source

  - by firebush

  I've transitioned our passwords to KeePass. LastPass looks cool, but I prefer a system where we control the database locally rather than it being kept in the cloud. I have a windows and Linux system and both are able to access our KeePass database easily. On my Linux system (Ubuntu), I simply installed KeePass via synaptic and it just worked. So everything was working great, until my wife tried to set up things on her MacBook to access the database. Huge problems. It was so easy on Linux that I didn't expect there to be issues there. In case it's helpful, she's running a fresh install of Mac OSX 10.5.8, Leopard. We simply went to the download site for KeePass: http://keepass.info/download.html Clicked on the link titled KeePass 2.x for Mac OS X from which we retrieved Mono 2.10.5 and KeePass 2.18 from that site (the packages posted there at the time of this writing). Mono installed without problems (at least, none that we saw). She opened the KeePass image and dragged it to the Application side, unpackaging it there. According to the instructions on the KeePass installation instructions, she opened a terminal, changed to the directory in /Applications containing KeePass.exe, and ran it through mono: mono KeePass.exe No application opens at all - we see a blip for it, but then it immediately goes away, indicating to us that it is crashing. Also disconcerting, I see that people are throwing fits about copy-and-paste not working for KeePass 2.18 on MacOSX. Judging from the 2.19 addresses the copy/paste issue. I'm hoping that version will solve all our issues. So here's my question: how can I try out 2.19 on her system. It doesn't seem to be packaged like the 2.18 one is. But we're not scared of building it. I see that the source for 2.19 is here (at the bottom of the page). Can I just download that to her machine somewhere and run something to build it? I'm familiar with automake but not with building .NET source, so please answer gently if this is stupidly easy. :^) btw: tomorrow's my wife's birthday, and this is getting her down. If you know how to navigate these issues, it would be a nice birthday gift for her. Thanks in advance! Update I'll post this since it might be helpful to someone else: I got KeePass 2.18 to run by updating Mono to 2.10.9 (rather than the 2.10.5 given by the site above). With the later version of Mono, it runs without crashing. And yet, I do see the copy and paste issue that others see. I can open a database on her machine, but the incorrect data get's copied. So again, can someone help me install KeePass 2.19? Thanks!

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• How to configure Transparent IP Address Sharing (TAS) on a Mediatrix 4102 with DGW 2.0 firmware?

  - by Pascal Bourque

  I am making the switch to VoIP. I chose voip.ms as my service provider and Mediatrix 4102 as my ATA. One reason why I chose the Mediatrix over other popular consumer ATAs is that it's supposed to be easy to place it in front of the router, so it can give priority to its own upstream traffic over the home network's upstream traffic. This is supposed to work transparently, with the ATA and router sharing the same public IP address (the one obtained from the modem). They call this feaure Transparent IP Address Sharing, or TAS. Their promotional brochure describes it like this: The Mediatrix 4102 also uses its innovative TAS (Transparent IP Address Sharing) technology and an embedded PPPoE client to allow the PC (or router) connected to the second Ethernet port to have the same public IP address, eliminating the need for private IP addresses or address translations. I am interested by this feature because my router, an Apple Time Capsule, doesn't support QoS and cannot give priority to the voice packets if the ATA is behind the router. However, after hours of searching the web, reading the documentation, and good ol' trial and error, I haven't been able to configure the Mediatrix to run in this mode. Then I found a version of the manual that looks like it was for a previous version of the firmware (SIP), where there is an entire section dedicated to configuring TAS (starting at page 209). But my Mediatrix comes with the DGW 2.0 firmware, whose documentation does not mention TAS at all. So I tried to follow the TAS setup instructions from the SIP documentation and apply them to my DGW firmware, using the Variable Mapping Between SIP v5.0 and DGW v2.0 document as a reference, but no success. Some required SIP variables don't have an equivalent in DGW. So it looks like the DGW firmware does not support TAS at all, or if it does they are not doing anything to help us set it up. So right now, the Mediatrix is behind the router and VoIP works perfectly except when my upstream bandwidth is saturated. My questions are: Is downgrading to SIP firmware the only way to have my Mediatrix 4102 run in TAS mode? If not, anybody knows how to setup TAS on the DGW firmware? Is TAS mode the only way to give priority to the voice packets if I want to keep my current router (Apple Time Capsule)? Thanks!

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• Snow Leopard can see Windows shares in Finder but can't connect

  - by Randy Miller

  I have an iMac with the latest version of Snow Leopard on it. I have a NAS drive and a Windows machine that both show up in the Finder's 'Shared' section. However, if I click on them, Finder says "Connection Failed". Clicking on 'Connect As...' gives an error dialog that says "The server 'blah' may not exist or it is unavailable at this time." Points of interest: All machines are receiving their IP/DNS info from the router using DHCP. I have a Mac Mini on the same network that connects to the NAS drive and windows machine perfectly with no config (i.e. worked out of the box). Both Macs are on the same version of Snow Leopard. There is no password required to access the NAS share. I've never setup a WINS server on any machines and all machines are using 'workgroup' by default. I've tried putting "workgroup" in the Mac's workgroup entry and have tried leaving it blank, neither solves the problem. Here are some things I have tried: Finder-Connect To Server: smb:///share. This works, but by name does not. Terminal-mount_smbfs //@/share share. This also works by ip, but not be name, resulting in "mount_smbfs: server connection failed: No route to host". If I put the IP address of the NAS in the WINS server entry in the Mac's network setup, I can connect by name. It obviously seems to be a name resolution error, but I can't figure out why. The only thing that has changed since it used to work is that I got a new router that now gives out DHCP (all machines are dhcp clients) addresses of 192.168.x.x, but used to be 10.0.x.x. I've grep'd through everything that might have saved that old address, but can't find anything. It's also worth noting that the second Mac (the one that connects successfully) was added to the network after the router change. Please let me know if there are additional points of information needed to troubleshoot this further. Thanks, Randy

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• can't use periods in ServerName [Lion Apache installation]

  - by punchfacechamp

  I can access my host like this… http://keggyshop but can't use periods… http://keggyshop.dev here's my virtual host directive… <VirtualHost *:80> ServerName keggyshop ServerAlias keggyshop.dev DocumentRoot "~/sites/2012/keggy/web/pages/keggy/120528/sandbox/public" <Directory "~/sites/2012/keggy/web/pages/keggy/120528/sandbox/public"> Options Includes FollowSymLinks AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> host file 127.0.0.1 keggyshop 127.0.0.1 keggyshop.dev traceroute for keggyshop… user$ traceroute keggyshop traceroute to keggyshop (192.168.1.184), 64 hops max, 52 byte packets 1 keggyshop (192.168.1.184) 1.188 ms 0.683 ms 0.747 ms traceroute for keggyshop.dev… user$ traceroute keggyshop.dev traceroute: Warning: keggyshop.dev has multiple addresses; using 184.106.15.239 traceroute to keggyshop.dev (184.106.15.239), 64 hops max, 52 byte packets 1 * 192.168.1.1 (192.168.1.1) 0.856 ms 0.568 ms 2 10.81.192.1 (10.81.192.1) 15.232 ms 7.002 ms 7.936 ms 3 gig-0-3-0-6-nycmnya-rtr2.nyc.rr.com (24.29.97.122) 7.962 ms 7.813 ms 7.712 ms 4 bun101.nycmnytg-rtr001.nyc.rr.com (184.152.112.107) 10.999 ms 14.001 ms 15.466 ms 5 bun6-nycmnytg-rtr002.nyc.rr.com (24.29.148.250) 11.231 ms 17.321 ms 12.745 ms 6 107.14.19.24 (107.14.19.24) 13.972 ms 11.704 ms 16.477 ms 7 ae-1-0.pr0.nyc30.tbone.rr.com (66.109.6.161) 9.237 ms 11.896 ms 107.14.19.153 (107.14.19.153) 7.481 ms 8 xe-5-0-6.ar2.ewr1.us.nlayer.net (69.31.94.57) 16.682 ms 11.791 ms 11.981 ms 9 ae3-90g.cr1.ewr1.us.nlayer.net (69.31.94.117) 12.977 ms 15.706 ms 9.709 ms 10 xe-5-0-0.cr1.ord1.us.nlayer.net (69.22.142.74) 30.473 ms 30.497 ms 31.750 ms 11 ae1-20g.ar1.ord6.us.nlayer.net (69.31.110.250) 36.699 ms 50.785 ms 35.957 ms 12 as19994.xe-1-0-7.ar1.ord6.us.nlayer.net (69.31.110.242) 34.723 ms 31.118 ms 29.967 ms 13 coreb.ord1.rackspace.net (184.106.126.138) 30.471 ms corea.ord1.rackspace.net (184.106.126.136) 33.392 ms 35.210 ms 14 core1-coreb.ord1.rackspace.net (184.106.126.129) 32.453 ms core1-corea.ord1.rackspace.net (184.106.126.125) 32.020 ms core1-coreb.ord1.rackspace.net (184.106.126.129) 32.417 ms 15 core1-aggr401a-3.ord1.rackspace.net (173.203.0.157) 31.274 ms 34.854 ms 30.194 ms

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• Secure openVPN using IPTABLES

  - by bob franklin smith harriet

  Hey, I setup an openVPN server and it works ok. The next step is to secure it, I opted to use IPTABLES to only allow certain connections through but so far it is not working. I want to enable access to the network behind my openVPN server, and allow other services (web access), when iptables is disabaled or set to allow all this works fine, when using my following rules it does not. also note, I already configured openVPN itself to do what i want and it works fine, its only failing when iptables is started. Any help to tell me why this isnt working will appreciated here. These are the lines that I added in accordance with openVPN's recommendations, unfortunately testing these commands shows that they are requiered, they seem incredibly insecure though, any way to get around using them? # Allow TUN interface connections to OpenVPN server -A INPUT -i tun+ -j ACCEPT #allow TUN interface connections to be forwarded through other interfaces -A FORWARD -i tun+ -j ACCEPT # Allow TAP interface connections to OpenVPN server -A INPUT -i tap+ -j ACCEPT # Allow TAP interface connections to be forwarded through other interfaces -A FORWARD -i tap+ -j ACCEPT These are the new chains and commands i added to restrict access as much as possible unfortunately with these enabled, all that happens is the openVPN connection establishes fine, and then there is no access to the rest of the network behind the openVPN server note I am configuring the main iptables file and I am paranoid so all ports and ip addresses are altered, and -N etc appears before this so ignore that they dont appear. and i added some explanations of what i 'intended' these rules to do, so you dont waste time figuring out where i went wrong : 4 #accepts the vpn over port 1192 -A INPUT -p udp -m udp --dport 1192 -j ACCEPT -A INPUT -j INPUT-FIREWALL -A OUTPUT -j ACCEPT #packets that are to be forwarded from 10.10.1.0 network (all open vpn clients) to the internal network (192.168.5.0) jump to [sic]foward-firewall chain -A FORWARD -s 10.10.1.0/24 -d 192.168.5.0/24 -j FOWARD-FIREWALL #same as above, except for a different internal network -A FORWARD -s 10.10.1.0/24 -d 10.100.5.0/24 -j FOWARD-FIREWALL # reject any not from either of those two ranges -A FORWARD -j REJECT -A INPUT-FIREWALL -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT-FIREWALL -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT-FIREWALL -j REJECT -A FOWARD-FIREWALL -m state --state RELATED,ESTABLISHED -j ACCEPT #80 443 and 53 are accepted -A FOWARD-FIREWALL -m tcp -p tcp --dport 80 -j ACCEPT -A FOWARD-FIREWALL -m tcp -p tcp --dport 443 -j ACCEPT #192.168.5.150 = openVPN sever -A FOWARD-FIREWALL -m tcp -p tcp -d 192.168.5.150 --dport 53 -j ACCEPT -A FOWARD-FIREWALL -m udp -p udp -d 192.168.5.150 --dport 53 -j ACCEPT -A FOWARD-FIREWALL -j REJECT COMMIT now I wait :D

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• Exchange 2007 and migrating only some users under a shared domain name

  - by DomoDomo

  I'm in the process of moving two law firms to hosted Exchange 2007, a service that the consulting company I work for offers. Let's call these two firms Crane Law and Poole Law. These two firms were ONE firm just six months ago, but split. So they have three email domains: Old Firm: craneandpoole.com New Firm 1: cranelaw.com New Firm 2: poolelaw.com Both Firm 1 & Firm 2 use craneandpoole.com email addresses, as for the other two domains, only people who work at the respective firm use that firm's domain name, natch. Currently these two firms are still using the same pre-split internal Exchange 2007 server, where MX records for all three domains point. Here's the problem. I'm not moving both companies at the same time. I'm moving Crane Law two weeks before Poole Law. During this two weeks, both companies need to be able to: Continue to receive emails addressed to craneandpoole.com Send emails between firms, using cranelaw.com and poolelaw.com accounts I also have a third problem: I'd like to setup all three domains in my hosting infrastructure way ahead of time, to make my own life easier What would solve all my problems would be, if there is some way I can tell Exchange 2007, even though this domain exists locally forward on the message to the outside world using public MX record as a basis for where to send it (or if I could somehow create a route for it statically that would work too). If this doesn't work, to address points #1 when I migrate Crane Law, I will delete all references locally to cranelaw.com on their current Exchange server, and setup individual forwards for each of their craneandpool.com mailboxes to forward to our hosted exchange server. This will also take care of point #2, since the cranelaw.com won't be there locally, when poolelaw.com tries to send to cranelaw.com, public MX records will be used for mail routing decisions and go to my hosted exchange. The bummer of that though is, I won't be able to setup poolelaw.com ahead of time in hosted Exchange, will have to wait to do it day of :( Sorry for the long and confusing post. Just wondering if there is a better or simpler way to do what I want? Three tier forests and that kind of thing are out, this is just a two week window where they won't be in the same place.

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• Too many TIME_WAIT state connections!

  - by Hamza

  I've been reading about this everywhere all day, and from what I've gathered, TIME_WAIT is a relatively harmless state. It's supposed to be harmless even when there's too many. But if they're jumping to the numbers I've been seeing for the past 24 hours, something is really wrong! [root@1 ~]# netstat -nat | awk '{print $6}' | sort | uniq -c | sort -n 1 established) 1 Foreign 12 CLOSE_WAIT 15 LISTEN 64 LAST_ACK 201 FIN_WAIT2 334 CLOSING 605 ESTABLISHED 816 SYN_RECV 981 FIN_WAIT1 26830 TIME_WAIT That number fluctuates from 20,000 to 30,000+ (so far, the maximum I've seen it go is 32,000). What worries me is that they're all different IP addresses from all sorts of random locations. Now this is supposed to be (or was supposed to be) a DDoS attack. I know this for a fact, but I won't go into the boring details. It started out as a DDoS and it did impact my server's performance for a couple minutes. After that, everything was back to normal. My server load is normal. My internet traffic is normal. No server resource is being abused. My sites load fine. I also have IPTABLES disabled. There's an odd issue with that too. Every time I enable the firewall/iptables, my server starts experiencing packet loss. Lots of it. About 50%-60% packets are lost. It happens within an hour or within a few hours of enabling the firewall. As soon as I disable it, ping responses from all locations I test them from start clearing up and get stable again. Very strange. The TIME_WAIT state connections have been fluctuating at those numbers since yesterday. For 24 hours now, I've had that, and although it hasn't impacted performance in any way, it's disturbing enough. My current tcp_fin_timeout value is 30 seconds, from the default 60 seconds. However, that seems to not help, at all. Any ideas, suggestions? Anything at all would be appreciated, really!

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• How to configure a tun interface on Linux for SSH port forwarding?

  - by sarshad

  I am trying to forward port 139 from a Windows machine to my Ubuntu SSH server on a tun interface with the ip address 10.0.0.1. This is so that I can access the windows shares on the machine on my Ubuntu server, through the reverse tunnel. I can forward ports to 127.0.0.1, but not to 10.0.0.1. On windows I am using the Tunnelier ssh client. On my Ubuntu server, the following message is printed in auth.log: Received disconnect from 124.109.51.154: 11: Server denied request for client-side server-2-client forwarding on 10.0.0.1:139. So far i have tried the following settings: GatewayPorts yes PermitTunnel yes AllowTcpForwarding yes in the /etc/ssh/sshd_config file, but it did not work. I set up the tun like this: sudo tunctl -t loc_0 -u myusername sudo ifconfig loc_0 inet 10.0.0.1 netmask 255.255.255.0 up The settings in the Tunneler ssh client should not matter because I can forward port 139 successfully to the Microsoft Loopback Adapter on a Windows machine running the WinSSHD server. Versions: Windows is XP SP3, Ubuntu is 10.10. Update: I tried to forward the port to a number greater than 1024 mentioning the IP address of the tun, and it successfully connected but the forwarding was done on 127.0.0.1 instead of the tun's IP address 10.0.0.1. So there are two separate problems now, when connecting from the Windows machine: 1) Forwarding on ports less than 1024 is probably being denied. How can we allow that on the server? 2) Forwarding is done only on 127.0.0.1 even if I mention 10.0.0.1 which is the tun's IP address. Another attempt: I also tried to forward port 22 of a Linux machine to the tun's port 55567. It showed success. But when I tried to ssh into that port using both local addresses, on the Linux machine in its debug display I got the error Connection failed: no route to host when using 127.0.0.1 to connect and simply Connection refused when using the tun's IP address. So the tun is not getting the forwarded port no matter we connect from a Windows client or a Linux client.

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• Ubuntu: Multiple NICs, one used only for Wake-On-LAN

  - by jcwx86

  This is similar to some other questions, but I have a specific need which is not covered in the other questions. I have an Ubuntu server (11.10) with two NICs. One is built into the motherboard and the other is a PCI express card. I want to have my server connected to the internet via my NAT router and also have it able to wake from suspend using a Magic Packet (henceforth referred to as Wake-On-LAN, WOL). I can't do this with just one of the NICs because each has an issue - the built-in NIC will crash the system if it is placed under heavy load (typically downloading data), whilst the PCI express NIC will crash the system if it is used for WOL. I have spent some time investigating these individual problems, to no avail. My plan is thus: use the built-in NIC solely for WOL, and use the PCI express card for all other network communication except WOL. Since I send the WOL Magic Packet to a specific MAC address, there is no danger of hitting the wrong NIC, but there is a danger of using the built-in NIC for general network access, overloading it and crashing the system. Both NICs are wired to the same LAN with address space 192.168.0.0/24. The built-in ethernet card is set to have interface name eth1 and the PCI express card is eth0 in Ubuntu's udev persistent rules (so they stay the same upon reboot). I have been trying to set this up with the /etc/network/interfaces file. Here is where I am currently: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.3 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1 auto eth1 iface eth1 inet static address 192.168.0.254 netmask 255.255.255.0 I think by not specifying a gateway for eth1, I prevent it being used for outgoing requests. I don't mind if it can be reached on 192.168.0.254 on the LAN, i.e. via SSH -- it's IP is irrelevant to WOL, which is based on MAC addresses -- I just don't want it to be used to access internet resources. My kernel routing table (from route -n) is Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 My question is this: Is this sufficient for what I want to achieve? My research has thrown up the idea of using static routing to specify that eth1 should only be used for WOL on the local network, but I'm not sure this is necessary. I have been monitoring the activity of the interfaces using iptraf and it seems like eth0 takes the vast majority of the packets, though I am not sure that this will be consistent based on my configuration. Given that if I mess up the configuration, my system will likely crash, it is important to me to have this set up correctly!

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• No Telnet login prompt when used over SSH tunnel

  - by SCO

  Hi there ! I have a device, let's call it d1, runnning a lightweight Linux. This device is NATed by my internet box/router, hence not reachable from the Internet. That device runs a telnet daemon on it, and only has root as user (no pwd). Its ip address is 192.168.0.126 on the private network. From the private network (let's say 192.168.0.x), I can do: telnet 192.168.0.126 Where 192.168.0.126 is the IP address in the private network. This works correctly. However, to allow administration, I'd need to access that device from outside of that private network. Hence, I created an SSH tunnel like this on d1 : ssh -R 4455:localhost:23 ussh@s1 s1 is a server somewhere in the private network (but this is for testing purposes only, it will endup somewhere in the Internet), running a standard Linux distro and on which I created a user called 'ussh'. s1 IP address is 192.168.0.48. When I 'telnet' with the following, let's say from c1, 192.168.0.19 : telnet -l root s1 4455 I get : Trying 192.168.0.48... Connected to 192.168.0.48. Escape character is '^]'. Connection closed by foreign host . The connection is closed after roughly 30 seconds, and I didn't log. I tried without the -l switch, without any success. I tried to 'telnet' with IP addresses instead of names to avoid reverse DNS issues (although I added to d1 /etc/hosts a line refering to s1 IP/name, just in case), no success. I tried on another port than 4455, no success. I gathered Wireshark logs from s1. I can see : s1 sends SSH data to c1, c1 ACK s1 performs an AAAA DNS request for c1, gets only the Authoritave nameservers. s1 performs an A DNS request, then gets c1's IP address s1 sends a SYN packet to c1, c1 replies with a RST/ACK s1 sends a SYN to c1, C1 RST/ACK (?) After 0.8 seconds, c1 sends a SYN to s1, s1 SYN/ACK and then c1 ACK s1 sends SSH content to d1, d1 sends an ACK back to s1 s1 retries AAAA and A DNS requests After 5 seconds, s1 retries a SYN to c1, once again it is RST/ACKed by c1. This is repeated 3 more times. The last five packets : d1 sends SSH content to s1, s1 sends ACK and FIN/ACK to c1, c1 replies with FIN/ACK, s1 sends ACK to c1. The connection seems to be closed by the telnet daemon after 22 seconds. AFAIK, there is no way to decode the SSH stream, so I'm really stuck here ... Any ideas ? Thank you !

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• RFC 1918 address on open internet?

  - by longneck

  In trying to diagnose a failover problem with my Cisco ASA 5520 firewalls, I ran a traceroute to www.btfl.com and, much to my surprise, some of the hops came back as RFC 1918 addresses. Just to be clear, this host is not behind my firewall and there is no VPN involved. I have to connect across the open internet to get there. How/why is this possible? asa# traceroute www.btfl.com Tracing the route to 157.56.176.94 1 <redacted> 2 <redacted> 3 <redacted> 4 <redacted> 5 nap-edge-04.inet.qwest.net (67.14.29.170) 0 msec 10 msec 10 msec 6 65.122.166.30 0 msec 0 msec 10 msec 7 207.46.34.23 10 msec 0 msec 10 msec 8 * * * 9 207.46.37.235 30 msec 30 msec 50 msec 10 10.22.112.221 30 msec 10.22.112.219 30 msec 10.22.112.223 30 msec 11 10.175.9.193 30 msec 30 msec 10.175.9.67 30 msec 12 100.94.68.79 40 msec 100.94.70.79 30 msec 100.94.71.73 30 msec 13 100.94.80.39 30 msec 100.94.80.205 40 msec 100.94.80.137 40 msec 14 10.215.80.2 30 msec 10.215.68.16 30 msec 10.175.244.2 30 msec 15 * * * 16 * * * 17 * * * and it does the same thing from my FiOS connection at home: C:\>tracert www.btfl.com Tracing route to www.btfl.com [157.56.176.94] over a maximum of 30 hops: 1 1 ms <1 ms <1 ms myrouter.home [192.168.1.1] 2 8 ms 7 ms 8 ms <redacted> 3 10 ms 13 ms 11 ms <redacted> 4 12 ms 10 ms 10 ms ae2-0.TPA01-BB-RTR2.verizon-gni.net [130.81.199.82] 5 16 ms 16 ms 15 ms 0.ae4.XL2.MIA19.ALTER.NET [152.63.8.117] 6 14 ms 16 ms 16 ms 0.xe-11-0-0.GW1.MIA19.ALTER.NET [152.63.85.94] 7 19 ms 16 ms 16 ms microsoft-gw.customer.alter.net [63.65.188.170] 8 27 ms 33 ms * ge-5-3-0-0.ash-64cb-1a.ntwk.msn.net [207.46.46.177] 9 * * * Request timed out. 10 44 ms 43 ms 43 ms 207.46.37.235 11 42 ms 41 ms 40 ms 10.22.112.225 12 42 ms 43 ms 43 ms 10.175.9.1 13 42 ms 41 ms 42 ms 100.94.68.79 14 40 ms 40 ms 41 ms 100.94.80.193 15 * * * Request timed out.

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• Email postfix marked as spam by google

  - by Rodrigo Ferrari

  Hello friends, I searched about this question, found some few answers but no idea how to fix, the problem is that I realy dumb with all this! I configured the postfix and done everything how the install how to told. It send the email, but get marked as spam! The header is this one: Delivered-To: [email protected] Received: by 10.223.86.203 with SMTP id t11cs837410fal; Wed, 12 Jan 2011 04:02:21 -0800 (PST) X-pstn-nxpr: disp=neutral, [email protected] X-pstn-nxp: bodyHash=9c6d0c64fa3a4d663c9968e9545c47d77ae0242e, headerHash=1ab8726bd17a23218309165bd20fe6e0911627cd, keyName=4, rcptHash=178929be6ed8451d98a4df01a463784e6c59b3b4, sourceip=174.121.4.154, version=1 Received: by 10.100.190.13 with SMTP id n13mr537609anf.76.1294833740396; Wed, 12 Jan 2011 04:02:20 -0800 (PST) Return-Path: <[email protected]> Received: from psmtp.com ([74.125.245.168]) by mx.google.com with SMTP id w2si1297960anw.132.2011.01.12.04.02.19; Wed, 12 Jan 2011 04:02:20 -0800 (PST) Received-SPF: pass (google.com: domain of [email protected] designates 174.121.4.154 as permitted sender) client-ip=174.121.4.154; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates 174.121.4.154 as permitted sender) [email protected] Received: from source ([174.121.4.154]) by na3sys010amx168.postini.com ([74.125.244.10]) with SMTP; Wed, 12 Jan 2011 12:02:19 GMT Received: from localhost (server [127.0.0.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by brasilyacht.com.br (Postfix) with ESMTP id 87C121290142; Wed, 12 Jan 2011 09:50:29 -0200 (BRST) From: YachtBrasil <[email protected]> Reply-To: Vendas <[email protected]> Cc: YachtBrasil <[email protected]> To: [email protected] Subject: teste Date: Wed, 12 Jan 2011 09:50:29 -0200 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline MIME-Version: 1.0 Message-Id: <[email protected]> X-pstn-2strike: clear X-pstn-neptune: 0/0/0.00/0 X-pstn-levels: (S: 1.96218/99.81787 CV:99.9000 FC:95.5390 LC:95.5390 R:95.9108 P:95.9108 M:97.0282 C:98.6951 ) X-pstn-settings: 3 (1.0000:1.0000) s cv gt3 gt2 gt1 r p m c X-pstn-addresses: from <[email protected]> [db-null] I'm out of ideas on how to fix this, I think it's dns issue, but I have marked the spf inside my tinydns =( Is there anything I can check to know why this email is marked as spam? Any help will be appreciated! Thanks and sorry for my bad english.

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• How to configure Transparent IP Address Sharing (TAS) on a Mediatrix 4102 with DGW 2.0 firmware?

  - by Pascal Bourque

  I am making the switch to VoIP. I chose voip.ms as my service provider and Mediatrix 4102 as my ATA. One reason why I chose the Mediatrix over other popular consumer ATAs is that it's supposed to be easy to place it in front of the router, so it can give priority to its own upstream traffic over the home network's upstream traffic. This is supposed to work transparently, with the ATA and router sharing the same public IP address (the one obtained from the modem). They call this feaure Transparent IP Address Sharing, or TAS. Their promotional brochure describes it like this: The Mediatrix 4102 also uses its innovative TAS (Transparent IP Address Sharing) technology and an embedded PPPoE client to allow the PC (or router) connected to the second Ethernet port to have the same public IP address, eliminating the need for private IP addresses or address translations. I am interested by this feature because my router, an Apple Time Capsule, doesn't support QoS and cannot give priority to the voice packets if the ATA is behind the router. However, after hours of searching the web, reading the documentation, and good ol' trial and error, I haven't been able to configure the Mediatrix to run in this mode. Then I found a version of the manual that looks like it was for a previous version of the firmware (SIP), where there is an entire section dedicated to configuring TAS (starting at page 209). But my Mediatrix comes with the DGW 2.0 firmware, whose documentation does not mention TAS at all. So I tried to follow the TAS setup instructions from the SIP documentation and apply them to my DGW firmware, using the Variable Mapping Between SIP v5.0 and DGW v2.0 document as a reference, but no success. Some required SIP variables don't have an equivalent in DGW. So it looks like the DGW firmware does not support TAS at all, or if it does they are not doing anything to help us set it up. So right now, the Mediatrix is behind the router and VoIP works perfectly except when my upstream bandwidth is saturated. My questions are: Is downgrading to SIP firmware the only way to have my Mediatrix 4102 run in TAS mode? If not, anybody knows how to setup TAS on the DGW firmware? Is TAS mode the only way to give priority to the voice packets if I want to keep my current router (Apple Time Capsule)? Thanks!

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• Exchange 2010 forwarded emails by external servers being blocked

  - by MadBoy

  Our users were getting spam messages from their own accounts (same domain/login for example [email protected] to [email protected]). This is preety standard trick and I decided to block it so that anonymous users can't send emails as @company.com. This brought some problems on us like our printers not being able to send emails etc but I solved it with secondary smtp receiver on different port with ip restrictions. However it seems to affect forwarding by some e-mail servers as well: Hi. This is the qmail-send program at home.pl. I'm afraid I wasn't able to deliver your message to the following addresses. This is a permanent error; I've given up. Sorry it didn't work out. : 89.14.1.26 failed after I sent the message. Remote host said: 550 5.7.1 Client does not have permissions to send as this sender --- Below this line is a copy of the message. Return-Path: Return-Path: Received: from mail.company.com [89.14.1.26] (HELO mail.company.com) by company.ho.pl [79.93.31.43] with SMTP (IdeaSmtpServer v0.70) id 488fcb01c2f069d9; Tue, 3 Jan 2012 09:46:55 +0100 Received: from EXCHANGE1.COMPANY ([fe80::d425:135f:b655:1223]) by EXCHANGE2.COMPANY ([fe80::193f:51ac:9316:cb27%14]) with mapi id 14.01.0355.002; Tue, 3 Jan 2012 09:46:55 +0100 From: =?iso-8859-2?Q?MadBoy?= So basically server forwards it without affecting email address it was send with and our servers treat it like spam. I used this command to block things: Get-ReceiveConnector "DEFAULT Exchange2" | Get-ADPermission -user "NT AUTHORITY\Anonymous Logon" | where {$_.ExtendedRights -like "ms-exch-smtp-accept-authoritative-domain-sender"} | Remove-ADPermission Is there anyway I can keep on receiveing things like forwards but be able to block things (except some dedicated antispam solution - this will be added later). Also how do I "reassing" back the permissions that was removed? EDIT to clarify: I have a domain domain.com configured as Authorative. Couple of our users are on project for differentcompany.com which is not on our servers or anywhere close. Now when they send an email from their accounts lets say [email protected] to [email protected] that special alias is configured so that any email it receives it forwards to multiple people including a group alias at our domain [email protected] and that group alias puts the email in users mailboxes. After the email is forwarded by [email protected] and it reaches our server it is denied because the forwarding done by the "external" server doesn't affect user information so for the server it seems like the [email protected] was actually sender and it treats it as spam and denies it. The server at differentcompany.com just adds itself to the header that it passed thru it and doesn't modify sender at anyway (seems like this is how forwarding works). Although I could probably allow this particular server as allowed to relay but this would seem to affect more servers/users as anyone can setup forwarding on their email back to our domain...

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• Can't get DHCPd to assign IPs to unknown clients

  - by Jakobud

  I'm using Webmin to admin our DHCPd server. But I'm having a hard time getting it to assign IP addresses to unknown clients. The only way I can get it to assign an IP is to make sure a host is added to DHCPd as a host so that it gets a static-lease IP assigned to it. I thought "Allow Unknown Clients" was the key, but it still isn't assigning IPs to unknown clients. I have a pool setup so that the unknown clients should get an IP between 10.20.0.200 - 10.20.0.249. Here is the config file. What am I missing here? allow unknown-clients; # Primary DHCP server config authoritative; ddns-update-style none; failover peer "dhcp-failover" { primary; address 10.20.0.30; port 647; peer address 10.20.0.25; peer port 647; max-response-delay 60; max-unacked-updates 10; load balance max seconds 3; mclt 3600; split 128; } subnet 10.20.0.0 netmask 255.255.255.0 { allow unknown-clients; option subnet-mask 255.255.255.0; option broadcast-address 10.20.0.255; option routers 10.20.0.100; option domain-name "ourdomain.com"; option domain-name-servers 192.168.10.20; default-lease-time 86400; max-lease-time 86400; option ntp-servers 192.168.10.20; option time-offset -25200; pool { allow unknown-clients; failover peer "dhcp-failover"; max-lease-time 86400; range 10.20.0.200 10.20.0.249; deny dynamic bootp clients; } host Server-myserver { option host-name "whatever.ourdomain.com"; hardware ethernet 00:89:D4:35:4F:13; fixed-address 10.20.0.23; } }

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• DJBDNS DNSCache configuration, svscan won't start

  - by SecurityGate

  I've been wracking my brain the last few days trying to setup DJBDNS on my server. I haven't been having too much luck. I have been following the guide provided by the creator of DJBDNS: http://cr.yp.to/djbdns/run-server.html Here is a run-through of where I am: Both services are up: [root@Happycat tinydns]$ svstat /service/tinydns/ /service/tinydns/: up (pid 18224) 74454 seconds [root@Happycat tinydns]$ svstat /service/dnscache/ /service/dnscache/: up (pid 2733) 2184 seconds My /etc/resolv.conf file: nameserver 127.0.0.1 My $PATH: [root@Happycat ~]$ echo $PATH /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/sbin:/usr/sbin:/var/qmail/bin/:/usr/nexkit/bin:/root/bin My tinydns/root/data records: ..:69.160.56.65:a:259200 .ns1.benwilk.com:69.160.56.65:a:259200 .ns2.benwilk.com:69.160.56.65:a:259200 .56.160.69.in-addr.arpa:69.160.56.65:a:259200 .56.160.69.in-addr.arpa:69.160.56.65:b:259200 =benwilk.com:69.160.56.65:86400 =openbarrel.net:69.160.56.65:86400 +www.openbarrel.net:69.160.56.65:86400 +www.benwilk.com:69.160.56.65:86400 Tiny dns can recognize the records set: [root@Happycat root]$ tinydns-get a benwilk.com 1 benwilk.com: 78 bytes, 1+1+1+1 records, response, authoritative, noerror query: 1 benwilk.com answer: benwilk.com 86400 A 69.160.56.65 authority: . 259200 NS a.ns additional: a.ns 259200 A 69.160.56.65 But then it comes to a grinding halt: svscan /service/tinydns/ supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to acquire log/supervise/lock: temporary failure supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to acquire log/supervise/lock: temporary failure supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist I'm assuming I have to set something with DNScache, and to be honest, it gets a bit confusing. I'm not sure whether to set it's IP address to 127.0.0.1 or one of the other IP addresses on the system. What am I missing from here?

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• How do I permanently delete e-mail messages in the sendmail queue and keep them from coming back?

  - by Steven Oxley

  I have a pretty annoying problem here. I have been testing an application and have created some test e-mails to bogus e-mail addresses (not to mention that my server isn't really set up to send e-mail anyway). Of course, sendmail is not able to send these messages and they have been getting stuck in the sendmail queue. I want to manually delete the messages that have been building up in the queue instead of waiting the 5 days that sendmail usually takes to stop retrying. I am using Ubuntu 10.04 and /var/spool/mqueue/ is the directory in which every how-to I have read says the e-mails that are queued up are kept. When I delete the files in this directory, sendmail stops trying to process the e-mails until what appears to be a cron script runs and re-populates this directory with the messages I don't want sent. Here are some lines from my syslog: Jun 2 17:35:19 sajo-laptop sm-mta[9367]: o530SlbK009365: to=, ctladdr= (33/33), delay=00:06:27, xdelay=00:06:22, mailer=esmtp, pri=120418, relay=e.mx.mail.yahoo.com. [67.195.168.230], dsn=4.0.0, stat=Deferred: Connection timed out with e.mx.mail.yahoo.com. Jun 2 17:35:48 sajo-laptop sm-mta[9149]: o4VHn3cw003597: to=, ctladdr= (33/33), delay=2+06:46:45, xdelay=00:34:12, mailer=esmtp, pri=3540649, relay=mx2.hotmail.com. [65.54.188.94], dsn=4.0.0, stat=Deferred: Connection timed out with mx2.hotmail.com. Jun 2 17:39:02 sajo-laptop CRON[9510]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -n 200 -r -0 rm) Jun 2 17:39:43 sajo-laptop sm-mta[9372]: o52LHK4s007585: to=, ctladdr= (33/33), delay=03:22:18, xdelay=00:06:28, mailer=esmtp, pri=1470404, relay=c.mx.mail.yahoo.com. [206.190.54.127], dsn=4.0.0, stat=Deferred: Connection timed out with c.mx.mail.yahoo.com. Jun 2 17:39:50 sajo-laptop sm-mta[9149]: o51I8ieV004377: to=, ctladdr= (33/33), delay=1+06:31:06, xdelay=00:03:57, mailer=esmtp, pri=6601668, relay=alt4.gmail-smtp-in.l.google.com. [74.125.79.114], dsn=4.0.0, stat=Deferred: Connection timed out with alt4.gmail-smtp-in.l.google.com. Jun 2 17:40:01 sajo-laptop CRON[9523]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp) Does anyone know how I can get rid of these messages permanently? As a side note, I'd also like to know if there is a way to set up sendmail to "fake" sending e-mail. Is there?

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