watchdog firebox has blocked ssh out

Darren Tucker dtucker at zip.com.au
Sat Aug 23 10:25:57 EST 2003


"Mr. Mailing List" wrote:
> I'm behind a watchdog firebox, which has recently
> blocked ssh out.  I have it to where i can use port
> 21(the server forwards 21 to 22 that i am trying to
> connect to), but somehow the watchdog firewall is also
> blocking by protocol type?

Many state-based firewalls "peek" into the application layer in order to
handle some protocols.  FTP (port 21) is probably the best-known example
of one where you must do this in order to correctly firewall (or NAT) it.

> can i still use raw and somehow start using ssh after
> this, or something?  Or is there some way to identify
> self as http protocol to the firewall?

Use another port or talk to your firewall admin.

-- 
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.




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