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AntispamThoughts and resources related to techniques that individuals can use to reduce the problems associated with spam. Mostly preventing automated spam on websites like comment, referral and trackback spam, DoS attacks. Using captchas, firewalls, applying configuration changes and other techniques.Effort to Neutralize Online Opinion - Russia uses DDoSChina uses Great Firewall in order to neutralize critical online opinion. Sites such as Wikipedia and NY Times are blocked in China. Russia apparently has returned to the soviet 70s during the last several years. I think such period is called Restauration in history... Well it seems like Russia uses DDoS to shut down opposite online resources [ ... ] posted @ Saturday, May 26, 2007 7:14 AM | Your thoughts (0) Use Hardware Firewall to Block SpamAs I started to use dedicated hosting for my sites - I realized for sure that hardware firewall is the ultimate solution to prevent comment/referral/trackback spam. I'll try to demonstrate how easy it is to ban thousands of spammy IPs with the help of hardware firewall (I use Cisco PIX Firewall) [ ... ] posted @ Tuesday, March 27, 2007 7:10 PM | Your thoughts (0) Blog Spam: NewsGator Hacked ? (Bug in Spam Software)Seems like some spam software checked for keywords in the content of the site to find out what blogging software is used in order to use the right protocol posting. Seems like newsgator's subscribe button caused this - spam software mistakenly supposed that subedit blogging tool used. As soon as I removed newsgator's subscribe button [ ... ] posted @ Saturday, January 06, 2007 5:29 AM | Your thoughts (2) Antispam: WebaltBot = Dirty SpammerSomething called Webaltbot is a blog spam robot that is able to POST via random IPs. GET requests come from the single original IP, so this way I was able to spot him [ ... ] posted @ Tuesday, December 26, 2006 9:21 PM | Your thoughts (1) Thoughts on Comment SpamDiscussion of various antispam solutions and tactics, their advantages and disadvantages including comment moderation, closing comments on older posts, content filtering, rel-nofollow and CAPTCHA which proved to be the most effective [ ... ] posted @ Saturday, December 16, 2006 6:26 PM | Your thoughts (2) Human Comment Spammers (Distraught Visitors)My blog is rather protected in terms of comment and referral spam. But today I had one of those distraught visitors on my blog. Fighting CAPTCHA he succeeded to post approximately 50 comments in 2 hours simply copy-pasting [ ... ] posted @ Monday, November 20, 2006 10:46 PM | Your thoughts (0) Anti Trackback Spam PatchFollowing Referral Spam Patch implemented here 2 months ago, I patched the weblog engine today against the trackback spammers [ ... ] posted @ Monday, June 13, 2005 2:22 PM | Your thoughts (0) Anti Referral Spam PatchI still get each day about 100 referrer spam records in the database. Usually I delete them and have already created T-SQL script, that does the work. There are not so many anti-referrer spam solutions for .Text based engines. Almost all of them use instead of trigger. Instead, my solution uses 2 simple patches to stored procedures [ ... ] posted @ Saturday, March 26, 2005 2:29 AM | Your thoughts (3) x2line Antispam Updates - Implementing nofollowImplementing nofollow on this site. Google is planning to develop nofollow feature towards something big and conceptual, we are just at the beginning of some process, so I don't want to be left behind. Time passed - nofollow support was removed from this site [ ... ] posted @ Friday, January 21, 2005 1:05 AM | Your thoughts (0) Starting to Fight Comment Spammers. Initial Black ListSome initial experience blocking comment spam with CAPTCHA. I compiled an initial comment spam urls black list [ ... ] posted @ Saturday, December 25, 2004 6:42 PM | Your thoughts (0) Dealing with Referral SpamComment spam is dead at least here on this site. Thanks to CAPTCHA control for ASP.NET. I have a bunch of spam referrals each day though [ ... ] posted @ Saturday, December 11, 2004 11:01 PM | Your thoughts (0) Improvement to HIP CAPTCHA control for Blog EnginesThis is a small improvement to HIP CAPTCHA control for blog engines based ASP.NET. It also demonstrates how to use HtmlTextWriter to render well-formatted HTML [ ... ] posted @ Saturday, November 27, 2004 5:32 AM | Your thoughts (11) Fighting Comment Spam with CAPTCHAThis weblog was experiencing lots of comment spam lately. So I've added comment verification image to the comment page. It is supposed to fight it back [ ... ] posted @ Thursday, November 25, 2004 11:43 PM | Your thoughts (6)
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