Networking :: Can't Seem To Get Sshd To Bind On A Remote Interface?

Jan 7, 2011

can't seem to get sshd to bind on a remote interface.When I attempt to connect, I get an instant "unable to connect to host."

$ cat sshd_config
# Package generated configuration file
# See the sshd_config(5) manpage for details
# What ports, IPs and protocols we listen for


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Fedora Networking :: Sshd Can't Bind To Non Standard Port After FC14 Upgrade

Feb 5, 2011

I just upgraded from FC 13 to FC 14. I run an ssh server on a port in the 3000s (call it 3xxx, to protect the innocent). When I try to start sshd with the "Port 3xxx" option in sshd_conf, I get the following error in /var/log/secure

sshd[5104]: error: Bind to port 3xxx on failed: Permission denied.
sshd[5104]: error: Bind to port 3xxx on : : failed: Permission denied.

I did not use to have this problem in FC 13. how I can give sshd the necessary permissions now?

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Ubuntu Networking :: Bind Program To Network Interface?

Jun 17, 2011

Is there any way in a machine with 2 (or more) network devices to only allow 1 program to use interface1 and force all other programs to use the other?

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Ubuntu Networking :: Alix 2d13 - Multiple Network Cards - Unable To Bind More Than One Physical Interface?

Jun 2, 2010

I have a strange problem regarding networking on the Alix 2d13 running Ubuntu 10.04. The Alix has 3 physical network interfaces, lspci says:

00:09.0 Ethernet controller [0200]: VIA Technologies, Inc. VT6105M [Rhine-III] [1106:3053] (rev 96)
Kernel driver in use: via-rhine
Kernel modules: via-rhine
00:0a.0 Ethernet controller [0200]: VIA Technologies, Inc. VT6105M [Rhine-III] [1106:3053] (rev 96)
Kernel driver in use: via-rhine
Kernel modules: via-rhine


It seems, if more than one cable is connected, a random hardware port is chosen as eth0-eth2. If only one cable is connected the port that is connected is chosen as eth0-eth2. Any idea what's going wrong here?

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Debian Configuration :: Bind A Port To Interface

Jan 31, 2016

Is is possible, via iptables or something similar, to bind a service running on a specific port to a specific interface? My case: I use a VPN service for privacy. I would like to have all traffic except ftp and ssh to run over tun0. Ports 21 and 22 will need to be accessible to the outside world (eth0) while the VPN is running.

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Networking :: Creating Domain Name In Bind Exposing Bind To Internal Network

Sep 3, 2009

I am configuring bind9 on fedora 9(sulphur).I have configured /etc/named.conf and created zone file in /var/named/I have started the service but when I am executing the command nslookup it is not able to resolve the name.Another problem I am facing when I do telnet localhost 53,I am able to connect.but when I do telnet myip 53 it does not connect.Seems to be a firewall problem but I ve disabled iptables selinux completely even I ve disabled dnsmasq but still not working.

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Red Hat :: CentOS - Bind To NFS Share On Remote Server - Access Denied

Oct 19, 2010

when client goes to bind to NFS share on remote server - they are getting access denied when using the mount command; [SERVER] - CentOS 5.3 /etc/exports /mnt/data - implying the client I want to have access


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Ubuntu :: VLC Not Starting - Main Interface Error: Socket Bind Error (Permission Denied)

Oct 17, 2010

I tried removing it and installing again but I still get the same code in the terminal:


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General :: Tcpdump Filtering Remote Interface?

Jan 28, 2011

I'm trying to capture traffic between two machines, A and B. I would like to make sure that the traffic I capture with tcpdump is between eth1 on the local machine and eth0 on the remote machine. As I understand it, the -i flag specifies the local machine interface - but how to set the remote one?

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Networking :: ATT Uverse DHCP Not Assigning To Red Interface Interface On Smoothwall?

Feb 14, 2010

I just had an ATT Uverse RG installed. However my Smoothwall router that previously worked fine with the ADSL SpeedStream is no longer accepting an address assignment DHCP ip address from this new gateway. (3800HGV-B)Any thoughts ideas or experience working with this hardware? ATT only supports Windows and Mac

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Networking :: Prevent Auto Up An Interface At /etc/network/interface File ?

Jul 18, 2011

I have a ppp0 entry with post-up options like this

mapping ppp0
map none photon-plus motorola
map timeout: 12


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Ubuntu Servers :: Recommendations For Remote Control Web Interface?

Jun 16, 2010

I want to set up a home computer as server. I've installed Ubuntu Server Edition 10.04, and can access it through SSH. However, I would like to have a browser based interface for managing things, such as installing a phpBB forum and stuff like that. Also, I want my friends to be able to share files on my home server as well. I know I can do it by using FTP, but I would rather not have them to install a FTP program.

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Ubuntu Multimedia :: Getting Remote Control To Interface With XBMC?

Dec 21, 2010

I just built up an Acer Revo 3600 HTPC using Ubuntu. Right now I'm using a wireless keyboard and mouse but I'd like to get a remote control to interface with XBMC. There seem to be many remotes that work under windows but I am having a hard time finding a remote that works with Ubuntu. What are people using to control their Ubuntu-based HTPCs these days?

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Networking :: No Sshd Access From Outside LAN?

Jan 19, 2011

I can't ssh into my Dad's machine. He can ssh in from another computer on his network, but I can't get in across the internet. I thought we had port forwarding set up correctly on his router. (Westell 327W running verizon software - sshd application, port 22 to port 22, tcp).

I can exchange keys with his server but I get. "Permission denied, please try again" when I try and login. An nmap scan (with -PN option) on his IP shows the open port.

22/tcp open ssh

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Ubuntu Networking :: Get Segfaults In Sshd When Trying To Connect

Jan 6, 2010

I've started to get segfaults in sshd when trying to connect. There has been no reboot and (until I restarted the sshd to try to fix the problem) there was still another ssh session connected.

The log messages:

==> kern.log <==
Jan 6 21:33:38 shuttle kernel: [ 1928.611128] sshd[9548]: segfault at bf30e534 eip b7f51b4c esp bf30e510 error 6
==> auth.log <==


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Networking :: Sshd Access By IP Address OR Certificate?

Sep 28, 2010

I have a site in India that needs to be accessed by our offices round the world. I have added AllowUsers lines for the static IP's in those offices. However, we also have a couple of people who travel and don't have static ip's. Is it possible to enable both AllowUsers for the offices and have certificate access for the others?

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Networking :: SSHD Different Settings Depending On Network?

Feb 19, 2010

is it possible to specify differnt settings for ssh depending on where somone is logging in from basically i want PasswordAuthentication yes when someone is logging in from 192.168.*.* but set to no when logging in from anywhere else

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Networking :: Sshd Service Up After Server Reboot

Jul 11, 2011

I want to make sure sshd service will start after a server reboot. On redhat or centOS I can do "chkconfig sshd on". What's the equivalent command for ubuntu?

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Fedora Networking :: F13 - SSHD Disconnected (Connection Closed)

Aug 8, 2010

I have installed Fedora 13 and updated it. I simply cant use ssh to connect to this Fedora, not even locally. I have enabled port22 in firewall settings and nothing. Tried to disable firewall completely and nothing. I have disabled SELinux (not sure if it has something to do with this, but... ) and nothing. Entered "ALL: ALL" in /etc/hosts.allow and still nothing. Dont know what to do anymore.

Here is what happens when I try to ssh to this machine, even from it:
[flibio@surf ~]$ ssh localhost
warning: Need basic cursor movement capability, using vt100
flibio's password:
Authentication successful.
Disconnected; connection lost (Connection closed.).
Connection to localhost closed.
[flibio@surf ~]$

Looking into Services > sshd and it says "This service is dead."
So I tried:
[root@surf etc]# service sshd restart
Stopping sshd: [FAILED]
Starting sshd: : OpenSSH_5.4p1 on
: FATAL: Creating listener failed: port 22 probably already in use! .....

And still I get disconnected whenever I try to ssh to this machine from anywhere. Services says that sshd is allways dead, even restarting it but I can only restart it by doing a pkill sshd before.

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Ubuntu Networking :: Sshd -D At Startup - How To Remove The -D Option

May 19, 2011

Somehow the -D option got tacked on to my sshd when I start up. How do I remove the -D option when sshd is started at boot? I'm guessing I need to edit something in /etc/init.d but not sure what. I checked System->Preferences->Startup Applications and the ssh server daemon isn't listed there. And since it is a command line option /etc/ssh/sshd_config is of no help.

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Fedora Networking :: Sshd Won't Work Properly / No Route To Host

Nov 17, 2010

I have recently set up two machines with F14 and on both, I am completely unable to make remote login via SSH work. openssh-server is installed and seems to work well:

I have already worked for hours on the problem now, using Google and trying numerous things, and still could not find any solution. On my other machine, which still uses F13, remote login works just fine. Is there any change in the default behaviour of the sshd I am not aware of? I would really appreciate your assistance!

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Server :: What Is Bind Vs Bind-chroot Vs Caching-nameserver?

Jul 8, 2011

what is bind vs bind-chroot vs caching-nameserver ?what is the different between eatch others ?

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Networking :: How To Configure BIND?

Feb 9, 2010

I know BIND is one of the most popular DNS servers used today but does anyone have any tips on how to configure BIND?

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Networking :: Bind No Such Device

Mar 15, 2010

I am trying to create the ipv6 socket to send the frame but I am getting the error while binding to my local addrss.When I did ifconfig I do see this interface's ipv6 address.Am I missing something ?

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Networking :: Setup 2 BIND Servers?

Sep 10, 2010

I need to setup 2 BIND servers where I would need to configure automatic fail over where if one of the DNS server goes down other one should be able to pick it up.I was thinking to deploy VRRP solution with keepalived or vrrpd

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Networking :: Bind 9.3.6 - P1 Installation And Configuration On OEL 5?

Feb 20, 2010

I am trying to install Bind 9.3.6 - P1 on OEL 5 Update 4 which is running on Oracle VM Server as Oracle Template OVM_EL5U4_X86_PVM_4GB

Requirement :

We have two different domains

Some of the Servers are in :
... and more

When I tried creating DNS Server : Dig worked on the server but when i am giving the IP of the DNS Server on another machine it cannot resolve any IP or Internet Address

Giving the following Messege on nslookup

DNS request time out
timeout was 2 seconds
***'Cant find server name for the address 192.168.1.x : Time Out
***Default Servers are not available
Default Server - Unkwoun
Address : 192.168.1.x

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Networking :: Bind Domain Not Getting Resolved

Aug 31, 2009

I have configured bind to create a domain.I see thet domain getting resolved for sometime and then it does not
you can see in the second nslookup name resolution fails

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Networking :: Evertyhing Indicates That Bind Sec. Dns Is Working But It Is Not

Sep 9, 2010

I had this strange and quite stressy situation today. I change something in the config of the NS1 (primary nameserver) and because of that BIND9 went down. Seemed that, unfortunately, the sec. NS, NS2, did not took over.

When I first did /etc/init.d/bind9 reload I got this error:


I was able to fix this. I guess I was because now the error has gone. I found the solution on some blog (I remember it has something to do with 'pkill lwresd' and restart bind a couple times.

Anyway, to test the NS1, on my local computer I set up the NS1 as primary and only nameserver. This works fine to test NSs. This way I can surf the internet and ping the domains that are on the nameserver.

Now when I do the same with my NS2 I can't do nothing. Cannot ping to anything, surf of course works neither.

But from my server ifself, NS2, I can ping everything. Every NSlookup is done via an external nameserver thus logical.

Furthermore everything looks normal on the NS2. No errors, I can change, add, delete, apply, restart, reload without any problem.

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Networking :: Unable To Bind When NIS Master Down?

Mar 25, 2010

This morning, our NIS master server down (due to ram prob), and what happen is all the sun servers able to bind to NIS Slave, but not Linux servers.

sun_server[sab]% telnet linux01
Trying 10.x.x.x...
Connected to linux01.
Escape character is '^]'.


Where is the prob, in Sun or Linux? In Linux, how to make it able to failover to NIS slave?

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Ubuntu Networking :: Cannot Ssh Into Computer - Error "could Not Access PID File For Sshd"

Mar 31, 2010

I'm having a problem with my ubuntu 9.10 machine. I can ssh out of the computer, but not in. I have /etc/init.d/ssh, but not /etc/init.d/sshd - don't know if this is normal If I run /etc/init.d/ssh status I get: robot@cora:~$ sudo /etc/init.d/ssh status * could not access PID file for sshd

If I run /etc/init.d/ssh restart (or stop then start) then I can ssh both ways. But I cannot get this to work automatically at boot. The machine is going to be in a remote location, so I need the ability to ssh INTO it after reboot, which I don't have. I have confirmed that start files are located in /etc/rc3.d/S16ssh

I've uninstalled and reinstalled openssh-server (via "apt-get remove openssh-server" and "apt-get install openssh-server") and this did not help. There are both /etc/ssh/ssh_config and /etc/ssh/sshd_config files that look like they are standard (compared to what I've found from web searches). /etc/init.d/ssh is also standard.

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