[GRLUG] CentOS IP Weirdness

[Adam Tauno Williams]

On Wed, 2013-03-13 at 12:24 -0500, L. V. Lammert wrote:
> Ran into a REALLY strange problem today, .. normally I do not use CentOS,
> so I was hoping someone could provide a clue.

It is the same kernel and network stack as everything else;  the
distribution really doesn't matter.

> Have an ssh tunnel setup to that host on local port 2205, and it *works*
> fine with 'ssh localhost -p 2205'.
> When you use one of the host's IPs 'ssh <local ip> -p 2205' does ***NOT***
> work! Have never seen this behavior before - is this something weird on
> CentOS?
> Have turned off iptables (did not see any applicable rules anyway).

SELinux is guarding the port of SSH just is not listening on the other
interfaces.

  netstat --listen --tcp --program