nanog mailing list archives

Re: Customer-facing ACLs


From: "Scott Weeks" <surfer () mauigateway com>
Date: Fri, 7 Mar 2008 15:57:13 -0800




--- dave.nanog () alfordmedia com wrote:

To me there is no question of whether or not you filter traffic for
residential broadband customers.

SBC in my area (Dallas) went from wide open to outbound 25 blocked by
default/opened on request. I think doing the same thing with port 22 would
hardly be an undue burden on users, and would help keep botnets in check.
------------------------------------------------


Might as well do TCP 20, 21 and 23, too.  Woah, that slope's getting slippery!

scott


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