Do Not Send Cross SSL/TLS Referrer Header

Details

This preference dictates whether Firefox will send the URL of the SSL/TLS-protected referring site to the referred SSL/TLS protected site.

The URL of the SSL-protected referring site may contain sensitive information. Preventing this URL from being sent mitigates the risk that the sensitive information will be disclosed.

Solution

Perform the following procedure:

* Open the mozilla.cfg file in the installation directory with a text editor

* Add the following lines to mozilla.cfg:

lockPref(“network.http.sendSecureXSiteReferrer”, false);

Supportive Information

The following resource is also helpful.

This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Unix.

References

Source

Updated on July 16, 2022
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