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Posted to users@spamassassin.apache.org by Bob George <ma...@ttlexceeded.com> on 2004/03/10 16:46:24 UTC

Habeas network tests? (was Re: Habeas status?)

Owen McShane wrote:
>  [...]
> I for one give Habeas a + score.

I've recently started getting more of these. I'm not to the point of 
giving up on habeas yet (and have reported the offending messages). I 
understand that this is an effort-in-progress, but I am surprised that 
NONE seem to be scoring in the HABEAS_VIOLATOR network tests. Aren't 
these included as part of the network tests by default, or is there 
something I need to enable?

- Bob


Re: Habeas network tests? (was Re: Habeas status?)

Posted by Kelson Vibber <ke...@speed.net>.
At 07:46 AM 3/10/2004, Bob George wrote:
>I am surprised that NONE seem to be scoring in the HABEAS_VIOLATOR network 
>tests. Aren't these included as part of the network tests by default, or 
>is there something I need to enable?

AFAIK they are included by default, but the source of HABEAS_VIOLATOR is an 
IP-based blacklist.  At the time Habeas was designed, most spam was coming 
through open relays/proxies or directly from the spammer's IP range.  The 
rise of virus-infected zombie relays, however, has made IP-based blacklists 
useless against spammers that use them.

The next step that's needed is a URI-based list of infringers, which is 
what I do locally.  Back during the first attack, and again yesterday, I 
looked for the websites being advertized, created a URI rule, then created 
my own HABEAS_VIOLATOR_LOCAL meta-rule to counteract the score.  It takes 
all of three minutes to set up.

Sure, that won't scale if the abuse increases, but neither will most 
anti-spam solutions.  We just have to keep layering them on top of each 
other.  Relay limits + IP blacklists + domain blacklists + domain 
validation + HELO validation + content filtering + hash comparison + sender 
verification - it just goes on and on.


Kelson Vibber
SpeedGate Communications <www.speed.net>