[geeklog-users] Comment Spammers

[Tony Bibbs]

<snip>
[1] And no, I'm not volunteering to do it. Just sayin'...

</snip>

Damn ;-).  Seriously, if anybody is interested in doing this let us 
know.  This would definitely raise your status in geekdom.  Also, if we 
make this an OO solution, I could make use of it in GL2 and the library 
could be released to other CMS's benefits.

--Tony

Bob Apthorpe wrote:

>On Tue, 25 May 2004 17:05:15 -0500 (CDT) "Zach Shelton" <mail at zachofalltrades.net> wrote:
>
>  
>
>>just an idea:
>>
>>Does there exist a registry of porn site URLs similar to the ones
>>maintained for spam blacklists? If so, then it would be possible to check
>>against such a list and reject any comment that contains a link to a site
>>on the list...
>>    
>>
>
>Leveraging other anti-spam resources, you could parse URLs out of
>comments and check their domains against the SURBL
>(http://www.surbl.org/), taking care to scrape out hostnames and known
>rediriectors. The implementation guide at
>http://www.surbl.org/implementation.html has more specifics.
>
>Basically, if you find an URL like
>http://rd.yahoo.com/*http://www.something.hotbarnyardtonermortgage.ac.uk/enlargeyourxerox,
>you'll want to reduce that to hotbarnyardtonermortgage.ac.uk and do a
>DNS lookup for the A record of
>hotbarnyardtonermortgage.ac.uk.sc.surbl.org. If that comes back with
>127.0.0.2, the comment is suspect.
>
>The SpamAssassin team has been working on supporting this for the
>upcoming 3.x release. SA is written in perl but it shouldn't take
>much[1] to port the core of their work to PHP.
>
>hth,
>
>-- Bob
>
>[1] And no, I'm not volunteering to do it. Just sayin'...
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>