On Feb 8, 2009, at 5:29 PM, Kevin Keane wrote:

> I'm trying to find out when, exactly, the various TCP connections
> to/from the FD (dir->FD, FD->SD) are opened or closed. Do these
> connections stay open continuously while running a job, or are they
> closed and opened as needed?
>
> The reason for asking is, once again, my setting up an SSH tunnel. The
> way I currently have it set up, the SSH tunnel will automatically  
> close
> itself as soon as there is no connection going through it - a standard
> strategy to make tunnel cleanup easier; I wouldn't need a Run After
> script. But this only works if at least one connection is open at all
> times as long as the job is running. What I am actually observing is
> that the tunnel does disappear in the middle of a job.

After what period of time is the tunnel disappearing?

-- 
Dan Langille - http://langille.org/

BSDCan - The Technical BSD Conference : http://www.bsdcan.org/
PGCon  - The PostgreSQL Conference:     http://www.pgcon.org/






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