automatic disconnects very troubling

[Sorin Srbu]

Anne Moore <> scribbled on Tuesday, December 04, 2007 12:24 AM:

I recently ran into this as well with sshd. After a bit of googling I found
the below links which I used to tweak the ssh-daemon. So far, no users have
complained about being disconnected.

http://www.liucougar.net/blog/archives/10

http://www.experts-exchange.com/OS/Linux/Q_21673363.html?qid=21673363

http://www.redhat.com/archives/rhl-list/2005-May/msg04387.html

http://node1.yo-linux.com/cgi-bin/man2html?cgi_command=sshd_config

You basically have to tweak the keepalives and related on sshd and possibly
the clients if pissible.

HTH.


> Hi All
> 
> Whenever my users connect to my Red Hat Enterprise 4 system, they are
> automatically disconnected after 1 minute of inactivity. This happens no
> matter if they are connected to our Oracle instance or SSH or Telnet, or
> anything. It's like the server "hangs-up" on them after no activity for a
> minute or two.
> 
> I ran tcpdump during and received this error on the disconnect:
> 
> 17:20:21.362159 IP 192.168.8.90.56141 > myhost1.rdm.loc.ssh: . ack 233 win
> 33303 <nop,nop,timestamp 2469825 98100123>
> 
> I'm stumped! Does anyone have any idea why this might be happening?
> 
> Thank you for your help!
> 
> Anne