[84536] in North American Network Operators' Group
Re: commonly blocked ISP ports
daemon@ATHENA.MIT.EDU (Peter Dambier)
Wed Sep 14 18:05:47 2005
Date: Thu, 15 Sep 2005 00:03:55 +0200
From: Peter Dambier <peter@peter-dambier.de>
Reply-To: peter@peter-dambier.de
To: nanog@merit.edu
In-Reply-To: <6.2.0.14.0.20050914144121.033f02f8@mail.so.centurytel.net>
Errors-To: owner-nanog@merit.edu
There is only one port worth blocking:
Block port 80 (http)
All other ports might be in use for redirected ssh, telnet, ftp, ...
Blocking port 80 will keep windows people from accidently clicking nonsense.
:)
Kind regards,
Peter and Karin Dambier
Luke Parrish wrote:
>
> Everyone,
>
> Does anyone have a reference point for commonly blocked ports?
>
> We have a list, some reactive and some proactive, however we need to
> remove ports that are no longer a threat and add new ones as they are
> published.
>
> Thanks
> luke
>
--
Peter and Karin Dambier
Public-Root
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D-64646 Heppenheim
+49-6252-671788 (Telekom)
+49-179-108-3978 (O2 Genion)
+49-6252-750308 (VoIP: sipgate.de)
mail: peter@peter-dambier.de
http://iason.site.voila.fr
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