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Dealing with nasty spammers.
Spammers on my forum AGAIN
happyslob

5+ Year Member



 
Msg#: 736 posted 7:21 pm on Jan 30, 2006 (gmt 0)

Hi all,

I have a moderately popular forum, but I've noticed lately that a whole LOT of porn site owners are joining and even if they don't post (most don't) they join up and have a link to their sites.

Now, my forum is a family friendly place, so it really bugs me that they're doing this. I just use a phpBB forum.

Is there any way to stop this from happening? I don't want to be moderating all day long...And what is the point of them doing this - just for the link to their site?

Thanks!
Christina

 

BuckerBucker

10+ Year Member



 
Msg#: 736 posted 12:55 am on Mar 29, 2006 (gmt 0)

Heh! I guess when you are looking for those gophers, you get confused which holes you should be looking in!

I think I will go try to find that source right now that is connected to the form that I disabled, that the bots are conveniently using.

Thanks Jolly K!

Damon, I don't think I know what a DNS BLs. I'm sorry for my lack of knowledge. Can you give me a little further info so I know which direction to look?

Bucker

DamonHD

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 736 posted 5:28 pm on Mar 29, 2006 (gmt 0)

Hi,

Chose your DNS BLs: I recommend SPAMHAUS' xbl-sbl list of compromised machines and SPAMmers, but you should probably also block open proxies. NOT ALL DNS BLs are suitable for this purpose.

When a user hits your site, get their numeric IP address, eg 1.2.3.4.

Reverse the address, add on the specified base address of your DNS BL, eg xbl-sbl.spamhaus.org or whatever, giving, for example: 4.3.2.1.xbl-sbl.spamhaus.org.

Look that up in DNS with whatever code you look up IP addresses with. Every scripting language in common use on the Web has one I bet!

If you get any positive response at all then the client is a bad'un; ban them!

Repeat for each of your selected DNS BLs.

Fast, easy, free, and very very few false positives with SPAMHAUS for example.

Rgds

Damon

PS. Now wash your hands. B^>

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