Hi, Looks like the mark module doesn't support "and" matching mechanism, iptables -I INPUT -m mark --and-mark 0x20 -j REJECT I want to match the packet when the mark has all bit of 0x20 set, possible? -- Best Regards, Aaron Lewis - PGP: 0xDFE6C29E ( http://pgp.mit.edu/ ) Finger Print: 9482 448F C7C3 896C 1DFE 7DD3 2492 A7D0 DFE6 C29E -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html