[SURBL-Discuss] Re: Start an IP list to block?

Justin Mason jm at jmason.org
Fri Sep 10 19:05:04 CEST 2004


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Jeff Chan writes:
> On Friday, September 10, 2004, 7:27:06 AM, Chris Santerre wrote:
> > WOW! I think this would hit more FPs then listing the IP! Am I wrong there!
> > I would never list the name server, as they may be hosting for much more
> > then just a spammer. That number is sure to be greater then a virtual hosts
> > number for an IP. Maybe I'm missing something key?
> 
> SBL lists some spammer name server (and web server) IPs.
> Hopefully they're careful about it, since you're right listing
> name servers could affect a lot more than just the virtual hosts
> on a web server IP.

SBL is also *very* manually-driven, and has a high level of certainty
required before anything is listed.  There's some serious human vetting
going on for every IP that gets added, and they (generally) spot the cases
where ns1.bigisp.com would be listed, and don't list them ;)

- --j.
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