North American Network Operators Group

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Re: Customer-facing ACLs

  • From: Scott Weeks
  • Date: Fri Mar 07 18:58:56 2008

--- dave.nanog@xxxxxxxxxxxxxxx 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!