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1163 posts

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  Reply # 379385 13-Sep-2010 17:54

BlakJak: I host or administer several websites in a private capacity,

I've found from time to time I get a flurry of spam type web form submissions and almost without exception they're from the same outfit - Bharti Tele-Ventures Limited - an Indian ISP.

I currently have traffic from full /12 firewalled off to prevent it. Unfortunately at least one of the sites I administer is vhosted with an ISP and not on my own machine, so firewalling is then less of an option (maybe I need to learn some more .htaccess hax ...)

Is anyone else seeing similar or is it just me being graced with such attention? :) Coz I can do without it, tbh.

(don't get me started on retarded attempts to resolve stuff on my internal-use-only RBL, which somehow got onto someones mass lookup table, which subsequently had me receiving a bunch of random 'we've closed our open relay, please unblock us' from mail admins in asia and eastern europe who've never actually had a mail rejection from me so don't actually _need_ to be unblocked... or on the several dozen IP addresses i've had to block from port 53 on my DNS server because they keep bombarding me with lookups for my rbl zone despite being sent an error, and never an actual response... )



I get these types of things all the time. Usually they are from SEO businesses. It doesn't make any difference if there is a capcha on the site, as they are humans typing in the messages.

BDFL - Memuneh
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Mr Snotty
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  Reply # 379397 13-Sep-2010 18:42
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marpada: I think a captcha or hidden field may work. It is true that workforce to enter captchas can be hired, but I guess they use the resources to add fake ads in sites like craiglist or create email accounts that they can use to keep the spam circle, not spamming through site forms.

Spammers usually employ customised web browsers or robots, so using mod_rewrite to filter suspicious User Agents won't block 100% of the spam but it's so easy to implement that it may worth the effort. You can see a list of suspicious user agents at , but it's better to check your logs to identify the agents that are bugging you (my unsuccessful spammers tend to like Deepnet Explorer or Crazy Browser 1.0.5 :) )

If you are willing to add some coding to your forms you may use the akismet API (very popular in Wordpress blogs), so they can evaluate in real-time if a submission is legit or spam

92.  Mozilla/4.61 [en] (X11; U; ) - BrowseX (2.0.0 Windows)

Wait, what? So that's Windows running X11?
*Is confused as hell*

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  Reply # 379417 13-Sep-2010 19:37
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