>Because I am not sure all *bsd have same method to hook a ip packet. >Do all *bsd have ipfw in this case ? I know IPFilter is implemented >to FreeBSD, NetBSD and OpenBSD. But it cannot handle a ipv6 packet >accurately. the code path is different between *BSD - yes, painful for us kame team. - NetBSD: darren reed's ipfilter - OpenBSD: darren reed's ipfilter - FreeBSD: FreeBSD-only ipfw (as well as darren reed's ipfilter? not sure) - BSD/OS: BSD/OS only the other problem is that, none of the packet filter code is friendly with tunnelled packet. itojun --------------------------------------------------------------------- The IPv6 Users Mailing List Unsubscribe by sending "unsubscribe users" to [EMAIL PROTECTED]