Implementation of referrer policy in order to control HTTP Referer header privacy

摘要

This article presents another from several available HTTP Security Headers - Referrer Policy. Nowadays, this policy (HTTP header) brings new possibility how to control information flow about origin from where the communication come to a destination web site. Thanks to this functionality, it is possible to show or hide navigating information, what can be precisely managed by web site's administrator. In the environment like the Internet, it is necessary to keep user's privacy at appropriate security level and not to allow everyone to track every user's step. In web server configuration it is simple to define policy for whole domain, subdomain and even for every web page individually, while this policy is directly propagated and used by web browser.