ssh reverse tunnel issue
Eric Stein
toba at des.truct.org
Fri Apr 8 23:31:10 EDT 2011
If ssh compression works anything like telnet message chunk sending, it could be waiting for something that looks like a newline in the stream... 2 wrapped compressed streams could break that state machine.
Eric
----- Original message -----
>
>
> Huh? You saw sessions freeze for as long as a *full minute* and after
> disabling compression you're no longer seeing that problem? Hrmmm....
> Compression can certainly slow things down sometimes but I can't think
> how even unnecessary triple redundant compression could all by itself
> block traffic for a full minute. I'm happy that your problem seems to
> be solved but I still suspect the culprit is/was something else...
>
> Also, as long as you're eliminating unnecessary pieces of the puzzle I'll
> again point out that you can do without the intermediate SSH session by
> rigging the middleMachine to automatically relay SSH connections back to
> the WestCoast instead of requiring that an entire new session be started
> on the middleMachine, thus:
>
> WestCoast% ssh -g -X -R 2222:localhost:22 middleMachine
>
> ...and then connect EastCoast machines via middleMachine thus:
>
> EastCoast% ssh -X -p 2222 middleMachine
>
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