====== PHP Fingerprint Vulnerability ====== With the knowledge of a web page or application running on PHP it may be easier to exploit or crack. ===== Remedy ===== * Avoid the use of the ''.php'' filename extension. * Hide headers that might betray the presense of PHP on the server with expose_php configuration option. * If using [[http://httpd.apache.org/|the Apache web server]] turn off the [[http://httpd.apache.org/docs/mod/core.html#servertokens|ServerTokens]] directive. ===== Additional Information ===== * See [[security:web_application_security|web application security]] and [[catalog|security vulnerabilities catalog]].