php.ini PHP protection bypass

It's possible tyo bypass protection registerglobals = on for example of virtual host by requestin host without protection in same HTTP keep-alive connection before...

CVE-2001-1385

The Apache module for PHP 4.0.0 through PHP 4.0.4, when disabled with the 'engine = off' option for a virtual host, may disable PHP for other virtual hosts, which could cause Apache to serve the source code of PHP scripts...