[SURBL-Discuss] Re: sex.surbl.org (was: Re: include IP lookups in SURBL lists)

Justin Mason jm at jmason.org
Sun Jul 18 18:35:52 CEST 2004


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Jeff Chan writes:
> On Sunday, July 18, 2004, 2:48:54 AM, Raymond Dijkxhoorn wrote:
> >> Thanks for sharing this idea and a free list of the relevant
> >> domains.  I agree it's an interesting idea, though we've been
> >> focussed on spammer's URI domains so far, so it's a bit of a
> >> tangent.
> >> 
> >> At nearly 500k record we'd definitely want to do this
> >> with rbldnsd.  BIND is already getting pretty slow with lists
> >> approaching 100k records.  For comparison, sbl.spamhaus.org
> >> has about 5k records, xbl has about 1.7 million records,
> >> list.dsbl.org has nearly 4 million records.  multi.surbl.org,
> >> our largest production list has about 45k records.
> >> 
> >> How does anyone else feel about turning this list of sex sites
> >> into a SURBL?
> 
> > If its a seperate list, sure, would be great i think.
> 
> Yes, it would be a separate list.
> 
> I'm a little concerned that such a list could result
> in significant false positives *if misapplied*.  While
> sex sites probably appears in a lot of spams, this
> would also be slightly off our charter of going
> specifically after spammer domains.  In other words
> while some adult sites are probably major spammers,
> some probably aren't.  On the other hand, I can see
> how it would be quite useful for general content
> blocking, including the novel suggestion to use SURBLs
> in squid web proxy caches.  But it feels like some topic
> drift to me....
> 
> Anyone else have thoughts on this?

Good point.

I would suggest that if you set up a separate page on the website listing
SURBLs that are specifically *not* necessarily spam-oriented, that'd be a
good way to keep them separate and avoid people blindly throwing it into
the spamfiltering mix.

- --j.
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