Apache and the SUexecUserGroup directive

This is why the server was giving a 500 Internal Server Error when we'd run a script via a browser. From the file /home/httpd/vhosts//conf/httpd.conf: There was a directive: SUexecUserGroup user group (The user was a local username and group . The command takes these 2 arguments. It's a cgi wrapper for security and tells spawned scripts to be run as that user and group. It is not used by default. Read more about the whole thing here: http://httpd.apache.org/docs/2.0/suexec.html