North American Network Operators Group
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RE: ORBS (Re: Scanning)
- From: Roeland Meyer
- Date: Sun May 27 12:15:06 2001
> From: E.B. Dreger [mailto:eddy+public+spam@noc.everquick.net]
> 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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