Referrer

When you click on a link in your browser, your browser will usually send the address where you found the link as a header in your new request. Referrers are sometimes used as a weak form of security. For example, some FormMail.pl pages require you to have a referrer which is from the domain where the script is hosted in order to send messages. Referrers are as easily spoofed as any other header.

Leaving referrers on all the time can be bad. For example:

This is why many links on the site go through http://anonym.to.

Referrer Spoofing

Uses

• Keep browsing history private
• Manipulate websites that use referrer information

Tools

Browser add-ons

Firefox

• refspoof
• RefControl
• Tamper Data

Link anonymizers

These prevent visitors from spewing your secret links all over the internets.

• http://anonym.to