using a mac with linux and filepro

Jay R. Ashworth jra at baylink.com
Mon Jun 18 11:57:47 PDT 2007


On Sat, Jun 16, 2007 at 03:26:17AM -0400, Fairlight wrote:
> Now one thing I noticed was that certain protocols are REALLY dodgy about
> this.  I noticed ssh in particular, if I actually lost sync, I could have
> connections up to IRC or whatever, and as long as I recovered sync by the
> end of the 2min timeout window on a connection, I regained that
> connection for most TCP connections.  SSH, however, -never- survived a
> DSL desync.  If that route goes away, *poof*, you are -gone-.  This is
> both PuTTY and openssh.  Doesn't matter which.  Any versions...I've run
> into it across more than a few versions of each.

Keepalives.

As long as your workstation maintains the same address, PuTTY/SSH will
survive the intervening link going away.

Now, if you unplug the ethernet cable, XP will dump the interface, and
*that* will kill your session, but as long as the application's (and
the server's) keepalives are disabled, then the session will survive
anything except an IP address change, in my experience.

Cheers,
-- jra
-- 
Jay R. Ashworth                   Baylink                      jra at baylink.com
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates     http://baylink.pitas.com                     '87 e24
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