An open source a 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.

Spammers are turning their attention to weblogs, angering technology analyst Bill Thompson. He calls it "flyblogging."

Discusses how better, smarter tools are needed to block or remove comment spam in realtime.

Database of URLs and phrases often used by spammers, along with links to related resources and a discussion forum.

A plugin which identifies and blocks comment and trackback spam on blogs with integration to various blogging systems.

The blog tools vendor Six Apart plans to roll out an open online authentication system to fight the growing phenomenon of comment spam.

Suggestion that bloggers create posts that target the same spammy phrases that blog spammers want Google to find.

Very short tutorial.

Weblogger crystallizes the thoughts of many in declaring a cyberwar on those who inappropriately post in guestbooks and weblogs.

Types of spam seen on blogs.