Great Circle Associates Firewalls
(June 1997)
 

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Subject: ICQ and port 139
From: "Andreas Engel" <Andreas . Engel @ cylink . net>
Date: Thu, 19 Jun 1997 18:09:00 +0300
To: <Firewalls @ GreatCircle . COM>

hello world,

i found out that this program ICQ from MIRABILIS send some strange querys
out.
it's a request from port 40 to port 139. port 139 is, so far i know, used
for netbios
over tcp ... what the hell they are looking for on this port.is this
something against the
security?-) or do they have another reason to do this so ?-)..i can not
exlain this to me
and i would be happy if somebody could help me in understanding this. i
hope you
could read my english. ;-)

thanx Andreas Engel :) 


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