-R port:host:hostport - communication lost after some minutes

[Darren Tucker]

Peter Stuge wrote:
> On Thu, Mar 04, 2004 at 02:42:35PM +0100, Hans Schou wrote:
> 
>>>I must add that in my particular situation, joe connected to
>>>"test.com" through "a lot"  (at least 3) of internal networks /
>>>firewalls / NAT... And that probably is the root of the problem.
[...]
> 
> Then I'd guess your NAT firewall has a connection tracking timeout of,
> exactly, 15 minutes.
> 
> Use ClientAliveInterval in sshd to induce occasional traffic.

OpenSSH 3.8 also added ServerAliveInterval which can be enabled on the 
client side too.

-- 
Darren Tucker (dtucker at zip.com.au)
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4  37C9 C982 80C7 8FF4 FA69
     Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.