Great Circle Associates Firewalls
(October 1995)
 

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Subject: Microsoft FTP wierd
From: "A. Padgett Peterson, P.E. Information Security" <PADGETT @ hobbes . orl . mmc . com>
Date: Wed, 11 Oct 1995 22:46:06 -0400 (EDT)
To: firewalls @ greatcircle . com

Robert rites:
>FTP.microsoft.com initiates all data port connections from random,
>high-numbered TCP ports, instead of the RFC-mandated port 20.  This apparently
>was intentional- there's a registry setting called "EnablePortAttack" that,
>when turned on, will cause the server to initiate connections from 20 again.

Suspect this may also be fairly recent. Until about a month ago I was able 
to connect to ftp.microsoft.com without problem but lately it has been
hanging. Suspect this is the problem since the firewall is set to
"paranoid". 
					Warmly,
						Padgett


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