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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: ORBS (Re: Scanning)
> From: E.B. Dreger [mailto:[email protected]] > Sent: Sunday, May 27, 2001 8:05 AM > ORBS catches far more than MAPS. As Randy stated "so does a hydrogen bomb". The problem is target acquisition and [the lack of] discrimination. The REASON tactical nukes aren't used regularly is the collateral damage issue. > My take is that anybody who has a > problem with the infrequent ORBS probes should have a huge > problem with the daily bombardment of relay attempts. A system that tests positive for ORBS , yet is using MAPS, will not be used as a spam relay. Yet, ORBS will list such a system. > Bottom line: Blocking mail from rogue servers is the best way to stop > spam and to not be a party to somebody else getting > relay-raped. Anyone with clue closed relays how many years ago? It is more accurate to state that most folks have placed guards on their mail systems. > I don't buy the "we need open relay for nationwide users" argument, > either. Build a cheap MX that does nothing but take mail from a given > POP, and send it to the world. Anti-spoofing at the border, > don't accept mail from the outside world, and you're done. You must not have a roaming staff or are willing to keep telcos wealthy.
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