[129388] in North American Network Operators' Group
Re: ISP port blocking practice
daemon@ATHENA.MIT.EDU (Franck Martin)
Fri Sep 3 19:50:49 2010
X-Barracuda-Envelope-From: franck@genius.com
Date: Sat, 4 Sep 2010 11:49:33 +1200 (FJT)
From: Franck Martin <franck@genius.com>
To: nanog@nanog.org
In-Reply-To: <4C8179B1.4060603@dougbarton.us>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
I asked around and got this presentation, but you can search for OP25B too:
http://www.anacom.pt/streaming/Honda.pdf?contentId=988141&field=ATTACHED_FILE
Some non-anecdotal data about the effectiveness of blocking port 25.
