Ignore my last message; having trolled through the kernel source I see that if setgid/setuid are called at all (even if there is no actual change as a result), then no core files will be created. Seems Stevens was wrong on this one... -- Dr Graham Wheeler E-mail: [EMAIL PROTECTED] Cequrux Technologies Phone: +27(21)423-6065/6/7 Firewalls/Virtual Private Networks Fax: +27(21)24-3656 Data/Network Security Specialists WWW: http://www.cequrux.com/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message