Quote Originally Posted by ncopa View Post
I never claimed that bsd jails are more secure, because I don't know those.
As far as I know, there is no known way to break out of a BSD jail in the default configuration on FreeBSD. If you modify a FreeBSD jail to add certain devices in /dev from the host to the jail, enable UNIX System V shared memory or a few other things, then it becomes possible to break out.