North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Anti-spam System Idea
On 2004-02-15T20:43-0500, Jon R. Kibler wrote: ) [email protected] wrote: ) > On Sun, 15 Feb 2004 [email protected] wrote: ) > > If we block outbound port 25 SYN packets from origin addresses in the DHCP ) > > address blocks, we solve the problem for everybody. ) EXACTLY correct! Not quite exactly, no; perhaps by adding the blocking of incoming ACKs with a source port of 25 might be closer to solving the problem "for everybody". But this is part of my point: There is no simple answer, because spammers will eventually [hire someone to] come up with a technical work around for whatever you do. -- Daniel Reed <[email protected]> http://naim-users.org/nmlorg/ http://naim.n.ml.org/ "True nobility lies not in being superior to another man, but in being superior to one's previous self."
|