zotob - blocking tcp/445

Mon Aug 15 18:51:29 UTC 2005

NetBIOS was never meant to be a WAN protocol, so no problem
in blocking it.

For example:  grc.com/su-techzone1.htm

scott

----- Original Message Follows -----
From: Gadi Evron <ge at linuxbox.org>
To: nanog list <nanog at merit.edu>
Subject: zotob - blocking tcp/445
Date: Mon, 15 Aug 2005 21:51:43 +0200
> I heard from several different big ISP's that to stop the
> spread of the  worm they now block tcp/445. I suppose it
> works.
> 
>     Gadi.