Great Circle Associates Firewalls
(February 1995)
 

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Subject: Re: America Online VIA TCP/IP
From: hue @ island . com (Pond Scum)
Date: Thu, 9 Feb 1995 15:51:28 +0800
To: Firewalls @ GreatCircle . COM, blast @ worldbit . com

> I am soon going to have to let some people on the inside on my network get
> out to America Online via TCP/IP.  I was wondering if anyone has set up a
> proxy for this or if anyone has crossed this bridge at their site yet.
> 
> I am going to get my sniffer out and see what src and dest ports I hit with
> it and I will let you folks know.

Don't bother, just look at that CCL file "TCPack".  It shows that the
destination port is 5190, and the connection is made to host
"americaonline.aol.com".  I use plug-gw to proxy AOL traffic, and just
edit the CCL file, putting the name of my proxy host in place of
americaonline.aol.com.

Don't forget to consider the risks of reusable passwords sent
in the clear - the AOL TCP client software does not encrypt the
username or password when it sends it across the Internet.  It is
trivial to sniff and steal AOL accounts.

-Jonathan		hue @
 island .
 com

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