Subject: Re: ssh connections dropping...?
To: Peter Seebach <seebs@plethora.net>
From: Steven M. Bellovin <smb@research.att.com>
List: current-users
Date: 10/25/2004 15:36:17
In message <200410251933.i9PJXDck017177@herd.plethora.net>, Peter Seebach write
s:
>In message <20041025193111.D175B1AE80@berkshire.research.att.com>, "Steven M.
>B
>ellovin" writes:
>>It really sounds a lot like a NAT or firewall dropping state. It all
>>depends on that box's timer -- my home NAT has a long-enough timeout
>>that I have no trouble; at my office, I have to run a sleep/echo script
>>to keep the connection alive. And a hang is exactly what I see if the
>>connection times out on the firewall -- or rather, it appears to be a
>>hang, but it would turn into a "connection timed out" if I wait long
>>enough.
>
>Right.
>
>But why does it happen to me, but not to my friend sitting next to me at the
>coffee shop, using the same wireless network and same NAT, connecting to the
>same server? It is a *mystery*! :)
>
different keepalive timeouts? A tunneled pop connection that's polled
often enoug?
--Steve Bellovin, http://www.research.att.com/~smb