Warning : FreeBSD 8-STABLE and 8.1 doesn't support VIMAGE and PF in kernel (panic on boot) I search a workarround, if you have any idea you can send me an email to contact_at_davidberard_dot_fr FeeBSD 8.0-RELEASE system FreeBSD sources up to date (use cvsup) world builded Benefits Full virtualized networking inside jail Jails have there own loopback interface You can use advanced network features