Jonathan Tripathy a écrit : >> >> Does ebtables have the facility to make sure that any frames entering a >> bridge must be untagged (i.e. have no 802.1q tag)? > > I guess that it can be done by matching the 802.1q ethertype 0x8100. > > ------------------------------------------------------------------------------ > > So I'm guessing if I only wanted to allow untagged frames going into my > bridge, I could do: > > ebtables -I FORWARD -p ! 0x8100 -i <IF of port connected to bridge> -j > ACCEPT FORWARD = frames going through the bridge, not all frames entering it. > Is that correct? I don't need to use physdev (like I do in iptables) or > anything, do I? -i in ebtables is the same as --physdev-in in iptables : both are used to match the bridge port (physical interface). If you want to match the logical bridge interface, use --logical-in in ebtables or -i in iptables. PS : You should avoid sending HTML to the mailing list. -- 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