suPHP is a tool for executing PHP scripts with the permissions of their owners. It consists of an Apache module (mod_suphp) and a setuid root binary (suphp) that is called by the Apache module to change the uid of the process executing the PHP interpreter.
suPHP 0.7.1 released
2009-03-14
suPHP 0.7.1 has been released.
This release fixes a bug causing problems with symbol links in the script path, which was introduced with the 0.7.0 release.
Sources
http://www.suphp.org/Download.html
http://dtbaker.com.au/random-bits/suphp-plesk-apache-vhosts.html
http://www.grafxsoftware.com/faq.php/HOW-TO-Setup-a-PLESK-Dedicated-Server/1/4/
http://forum.parallels.com/showthread.php?t=76032&page=2
http://linuxhostingsupport.net/blog/how-to-install-suphpphpsuexec-on-plesk