A free tool by Michael Campbell to stop comment and referrer spam by serving up an access denied response to spammer's bots.
http://angrypets.com/tools/rdos/ - New window - Cached - Archive -
Weblog entry with a few coding suggestions and examples to thwart the spammers.
http://www.capndesign.com/archives/2004/07/referrer_spam_is_out_of_control.php - New window - Cached - Archive -
Forum thread explaining that you should not publish your website statistics online, because of referrer spam.
http://www.ihelpyou.com/forums/showthread.php?s=&threadid=9595 - New window - Cached - Archive -
Talks about companies like mastodonte.com and their business models of spamming referrer logs.
http://www.metafilter.com/comments.mefi/21063 - New window - Cached - Archive -
Brief description of the technique and the purpose, with some examples.
http://www.komar.org/faq/scumbags/referrer-log-spamming/ - New window - Cached - Archive -
Dave Child provides a blacklist of spamming sites which can be used in an .htaccess file on an Apache server to block referrer spam. (September 14, 2005)
http://www.ilovejackdaniels.com/spam/block-referrer-spam/ - New window - Cached - Archive -
Blatant referrer spam may be evolving into more a subtle game. (April 6, 2004)
http://blog.codefront.net/2004/04/06/smarter-referrer-spam/ - New window - Cached - Archive -
A weird referrer entry prompts some detective work and a log sanitization spree. (October 13, 2003)
http://www.unix-girl.com/blog/archives/000264.html - New window - Cached - Archive -
Strange things are afoot in blogland. Owners of weblogs have recently noticed that their referral logs have become the newest target for spam. (October 26, 2002)
http://www.wired.com/culture/lifestyle/news/2002/10/56017 - New window - Cached - Archive -