gyoza on 22 Oct 2005 16:58:52 -0000


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Re: [PLUG] SSH timeout


I've heard of people using "screen" to create a session that can be
re-connected to.  Still, the re-connection is necessary.

Andrew Libby wrote:

>If I understand what's going on. it'd seem that asleep means
>that TCP connections are going to timeout.  This will either happen
>at the application level, or the TCP level, both of which are 
>above the hardware, and the hardware is essentially off/ inactive.
>
>Unfortuniately, I think that if you really want to keep your connections
>from timing out, you'll need to turn off suspend.
>
>This is of course, unless there is some magic to keep connections active
>during a sleep, but I'm not sure how this could be possible since it'd
>take knowledge of TCP and each of the applications to do it adequately.
>
>Good luck with it.
>
>Andy
>
>
>On Sat, 2005-10-22 at 12:45 -0400, Doug Crompton wrote:
>  
>
>>I am trying to maintain an SSH <> Putty connection on my local network
>>between my Linux server and a WinXP machine running putty.  The problem is
>>I let the WinXP machine lapse into suspend mode. If I come back hours
>>later the connection is hosed. I put a 'keepalive no' in the ssh config in
>>Linux and have no kepalives defined in putty. It is my understanding from
>>ssh docs that this is the wa to keep a session opened. It still closes. I
>>was reading on the net about router timeouts, in particuliar NAT
>>inactivity timeouts but that should not effect this as it is on the local
>>network. This must be a lower level timeout as ssh<>putty sessions I
>>open without suspend but no actual activity, do not timeout. Any ideas?
>>
>>Doug
>>
>>
>>****************************
>>*  Doug Crompton	   *
>>*  Richboro, PA 18954	   *
>>*  215-431-6307		   *
>>*		  	   *
>>* doug@crompton.com        *
>>* http://www.crompton.com  *
>>****************************
>>
>>
>>___________________________________________________________________________
>>Philadelphia Linux Users Group         --        http://www.phillylinux.org
>>Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
>>General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug
>>    
>>
>
>___________________________________________________________________________
>Philadelphia Linux Users Group         --        http://www.phillylinux.org
>Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
>General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug
>
>  
>
___________________________________________________________________________
Philadelphia Linux Users Group         --        http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug