[TriLUG] blocking outbound port 22

Ken Mink via TriLUG trilug at trilug.org
Wed Oct 7 17:22:34 EDT 2015



Sent from my iPhone

> On Oct 7, 2015, at 16:52, Wes Garrison via TriLUG <trilug at trilug.org> wrote:
> 
> I ran into a situation today I've never seen before.
> 
> I was working at an engineering firm and their IT guy had all outbound
> traffic on port 22 blocked.
> 
> Is there any sane reason to do this?
> 
> I can't think of any reason to block SSH, but maybe I'm missing something.
> 
> -Wes

Sure, internal security policies. One place I worked had ALL outbound traffic blocked. The only way out was web proxy, which also had quite the blacklist.

Ken

> _________________________________
> Wesley S. Garrison
> Network Engineer
> Xitech Communications, Inc.
> phone:  (919) 260-0803
> pager:   (919) 869-1744
> fax:       (919) 932-5051
> __________________________________
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