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Date: Sun, 1 Sep 1996 21:42:25 -0700 (PDT)
From: Doug White <dwhite@gdi.uoregon.edu>
Reply-To: dwhite@resnet.uoregon.edu
To: M C Wong <mcw@hpato.aus.hp.com>
cc: questions@freebsd.org
Subject: Re: Anyway to check firewall access ?
In-Reply-To: <199609020029.AA104694143@relay.hp.com>
Message-ID: <Pine.BSI.3.94.960901214003.227B-100000@gdi.uoregon.edu>
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On Mon, 2 Sep 1996, M C Wong wrote:

> Recently, his site admin configure the Cisco box to block
> all outgoing telnet traffic meaning we can NO longer keep
> in touch. 
> 
> My question is, is there a way of finding out the permitted
> outgoing ports on that Cisco box WITHOUT commiting something
> that is considered illegal ? 

The best way would be to ask the admin.  Since they are outbound ports and
you will be coming inbound, it's hard to find the holes going out.  

> The friend is NOT a computer person and has NOT much knowledge of TCP/IP
> etc so I can't get him to talk to the IT guy easily about those things. 

Have your friend explain your situation and have the admin write down the
available ports.

IMHO, The admin really should be running a SOCKS server to allow outbound
access. 

> I know port 80 is permitted but I don't really want to run
> a telnetd at that port.

That would be bad.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major