QUOTE (agruetz)
Have you made sure the plesk php is logging errors and/or displaying errors?
Yeah same problem,
This is is a tail of httpsd_error_log
[Fri Dec 22 17:49:22 2006] [error] mod_ssl: SSL handshake interrupted by system [Hint: Stop button pressed in browser?!] (System error follows)
[Fri Dec 22 17:49:22 2006] [error] System: Connection reset by peer (errno: 104)
[Sat Dec 23 09:16:52 2006] [notice] SIGHUP received. Attempting to restart
Processing config directory: /usr/local/psa/admin/conf/httpsd.*.include
[Sat Dec 23 09:16:53 2006] [notice] Apache/1.3.33 (Unix) mod_ssl/2.8.22 OpenSSL/0.9.7e PHP/5.0.4 configured -- resuming normal operations
[Sat Dec 23 09:16:53 2006] [notice] Accept mutex: sysvsem (Default: sysvsem)