[60148] in North American Network Operators' Group
RE: Blocking port 135?
daemon@ATHENA.MIT.EDU (Jason Robertson)
Fri Aug 1 15:45:07 2003
From: "Jason Robertson" <jason@ifuture.com>
To: Adi Linden <adil@adis.on.ca>, nanog@merit.edu
Date: Fri, 01 Aug 2003 15:44:21 -0400
In-reply-to: <Pine.LNX.4.44.0308011408590.30966-100000@adibox.knet.ca>
Errors-To: owner-nanog-outgoing@merit.edu
I also would recommend blocking these outbound, if they are not.
Especially 137, it's so useful in finding Windows machines on other
networks.
On 1 Aug 2003 at 14:09, Adi Linden wrote:
Date sent: Fri, 1 Aug 2003 14:09:52 -0500 (CDT)
From: Adi Linden <adil@adis.on.ca>
To: Bob German <bobgerman@irides.com>
Copies to: nanog@merit.edu
Subject: RE: Blocking port 135?
>
> > Absolutely. All of the NetBIOS ports: 135, 137, 138, 139, 445.
>
> Ports 137, 138, 139, 445 have been blocked for a long time. But port 135
> wasn't until today...
>
> Thanks!
> Adi
>
>