Some websites collect data on visitors to their website. One bit of gathered data is the address of the website the visitors came from. This address can be faked, and referrer logs are increasingly being filled with "visits" from sites with innocent-looking addresses - but they are actually porn or herbal medicine or other spammy sites. The spam might not be noticed unless they are in the top 10 or top 20 visitors of a site -- so they relentlessly visit a site in order to push their address to the top of the analysis chart. This is referrer spamming.
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A free tool by Michael Campbell to stop comment and referrer spam by serving up an access denied response to spammer's bots.
Weblog entry with a few coding suggestions and examples to thwart the spammers.
Talks about companies like mastodonte.com and their business models of spamming referrer logs.
Brief description of the technique and the purpose, with some examples.
Weblog entry with a few coding suggestions and examples to thwart the spammers.
Brief description of the technique and the purpose, with some examples.
Talks about companies like mastodonte.com and their business models of spamming referrer logs.
A free tool by Michael Campbell to stop comment and referrer spam by serving up an access denied response to spammer's bots.
