North American Network Operators Group
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RE: Blocking port 135?

  • From: Bob German
  • Date: Fri Aug 01 15:04:29 2003 

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

Bob 
 


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