remote port forwarding unstable

[Greg Wooledge]

On Tue, Oct 20, 2009 at 08:53:49AM +0300, Adriana Rodean wrote:
> IPP-Linux:~# cat /var/log/auth.log | grep 18737
> Oct 19 13:37:47 IPP-Linux sshd[18737]: error: bind: Address already in use
> Oct 19 13:37:47 IPP-Linux sshd[18737]: error:
> channel_setup_fwd_listener: cannot listen to port: 1026
> 
> But i closed the previous console with ssh listening to that port, and
> is no ssh process on client when i want to connect again on the same
> port.  So how come it still says that port is in use on server?

Use "lsof -i :1026" (lsof is not standard, but it's very common)
or "netstat -antp | grep :1026" (netstat -p is Linux only) to see what
is listening on port 1026.