Reading /etc/rc.d/jail script I found the answer: jail_*_parameters="allow.sysvipc=1" in /etc/rc.conf Paulo. On 14/11/2012 08:35, Paulo Fragoso wrote: > I've instaled FreeBSD 9 for hosts some jails and setting > jail_sysvipc_allow="YES" in host rc.conf, why is > security.jail.sysvipc_allowed false in jail? >