It is not. The network patch is not in upstream Linux atm so to have network mediation you need to patch the upstream kernel with the patches from the apparmor upstream tree. 13.04 does not have the patch yet but I will submit it, and it should be fixed in 13.04 soon
It is not. The network patch is not in upstream Linux atm so to have network mediation you need to patch the upstream kernel with the patches from the apparmor upstream tree. 13.04 does not have the patch yet but I will submit it, and it should be fixed in 13.04 soon