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Spam filter





erlendhg
I'm having a phpbb forum on my sudoku site, but I have this big problem: There is russians and others every day posting a lot of spam and links to pornography. So I wonder how do you guys at Frihost prevent spam. Do you use a phpbb spam filter mod, or what? I really need help...

I have earlier tried to install a spam filter mod, but I couldn't get it to work...
Leetch
This could be a good thing... free porn without even going on google !!
AftershockVibe
Firstly - require users to register. This should cut a few out.

Next take a trip to phpbb.com and have a look through the mods section. I can't remember exactly what it is called but it's something along the lines of "anti spambot" mod.

Basically it times the length of time between the post page opening and the submission click. If it's less than half a second or something it will not post and just redirect to the same page.

This way (most) spam bots will assume it has posted and move along. Users typing a decent length message won't be affected (takes longer than 0.5 secs to type) and cut and paste or one word answer users can just hit submit again.

Good hunting!


PS Blocking the offending IPs may also help to some degree.
Fire Boar
Use a code confirmation option. That way only humans can register; bots just see the picture as a load of hex digits and haven't a clue how to interpret it.
erlendhg
AftershockVibe wrote:
Firstly - require users to register. This should cut a few out.

PS Blocking the offending IPs may also help to some degree.


I have set up a requirement to register to be allowed to post in all but one forum, the "Share Sudoku forum", because people must be able to post sudokus to that forum, using my program, Sudoku Assistenten.

And I do block many IP-s, but the spam posters on my forum never use the same IP. And there is another problem with IP blocking: people get dynamic IPs from their ISPs more often than static, and if a spammer use a dynamic IP, and disconnect from Internet, then someone else may get that IP, and then be banned from my forum Sad

I just wondered how the Frihost team solve this problem, and wich spam filter they use...
ocalhoun
erlendhg wrote:
, then someone else may get that IP, and then be banned from my forum Sad


That is fantasticly improbable, unless your site has billions of users.
All this anti-spam bot stuff won't work if it is a real person posting all that.
Just keep on banning those users (and deleting them), while making the signup more difficult. (such as e-mail verification). If it's a bot, it won't be able to get past the registration, and if its a human, and you make things difficult enough for him, he'll go someplace easier to spam.
Dman12
delete them account.. Laughing
PoolCleaner
Guys You should make a big big tutotirals to help beginner , maybe if you dont want to make one link one Wink
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