Kalsey Consulting Group - Comment Spam Manifesto - Weblogger crystallizes the thoughts of many in declaring a cyberwar on those who inappropriately post in guestbooks and weblogs. No Guestbook Spam Anymore - Offers instructions for webmasters for avoiding and eliminating spam in guestbook. Internetnews.com - Six Apart Trains Guns on 'Comment Spam' - The blog tools vendor Six Apart plans to roll out an open online authentication system to fight the growing phenomenon of comment spam. OJR : Bloggers Declare War on Comment Spam, but Can They Win? - "Here's a look at the battle so far." Jeremy Zawodny's Blog - Guerilla Tactics Against Blog Comment Spammers - Suggestion that bloggers create posts that target the same spammy phrases that blog spammers want Google to find. BBC News - How spammers are targeting blogs - Spammers are turning their attention to weblogs, angering technology analyst Bill Thompson. He calls it "flyblogging." Jeremy Zawodny's Blog: Using mod_rewrite against comment spam bots - Very short tutorial. Learning Movable Type: Concerning Spam - Types of spam seen on blogs. Akismet - A plugin which identifies and blocks comment and trackback spam on blogs with integration to various blogging systems. Bad Behavior - An open source PHP-based solution for blocking link spam and the robots which deliver it by analyzing the delivery method as well as the software the spammer is using instead of looking at the content of potential spam. Stop Forum Spam - Provides statistics and various information about persistent spammers on message boards and blogs. NBC News - Spammers now clogging blogs, IM - Spam has never been limited to e-mail. But now, commercial pitches are increasingly popping up in online chats, instant messages, cell phones with text messaging and weblog comments. CleanTalk - A spam protection service for websites. Comment Spam Wiper - Comment protection for your site. Keypic - Instead of CAPTCHA we insert an advertising image. Wired - Googlemania: The (Evil) Genius of Comment Spammers - Background of the phenomenon of comment spam and how bloggers responded. Google - Keeping comment spam off your site and away from users - Recommendations from Google Webmaster Central on captchas, automatic filtering, and other anti-spam tactics.