Blocking port 135?

Fri Aug 1 18:49:19 UTC 2003

Absolutely.  All of the NetBIOS ports: 135, 137, 138, 139, 445.  

Bob 

-----Original Message-----
From: owner-nanog at merit.edu [mailto:owner-nanog at merit.edu] On Behalf Of
Adi Linden
Sent: Friday, August 01, 2003 2:37 PM
To: nanog at merit.edu
Subject: Blocking port 135?

http://www.cert.org/advisories/CA-2003-19.html

Would blocking port 135 at the network edge be a prudent preventative 
measure?