Re: Using SSH as a simple VPN: timeouts?



Johan Lindquist wrote:
So anyway, it was like, 09:21 CEST Jul 13 2006, you know? Oh, and, yeah,
Jef Driesen was all like, "Dude,

I'm using ssh with port forwarding

[..]

This works really great, but after some time (a few hours) the ssh
connection is automatically disconnected (mostly after a period of
inactivity on the client). I assume this has to do something with a
timeout on the ssh server?

Is there a firewall, and if so what .kind, at some point in between the
two hosts? There might be timeouts for the state tables that tears
down the connection after a certain period without traffic over it.

There are certainly two firewalls involved. The first one is my cablemodem/router (D-Link DI-604). The second one is the firewall of the university where my server is located. This one blocks all kinds of traffic, but an exception was made for ssh access to my server. I don't have much information about this firewall (and possible timeout settings). There could be another firewall at my isp also, because incoming connections below port 1024 are blocked.
.



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