watchdog firebox has blocked ssh out

[Mr. Mailing List]

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?  

the only way i can connect is if i choose raw protocol
in putty... and this is what i get
SSH-1.99-OpenSSH_3.5p1
                      test
Protocol mismatch.

and then close.
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?

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