On 2011-08-04 15:54, Olshvang, LevX wrote: > Or in another terms which of iptable command are IPv4/v6 neutral? None of them. iptables is an IPv4 filter. ip6tables is an IPv6 filter. Yes, you must maintain two sets of firewall rules, or use a firewall rules generator tool that does this for you. Regards, Tyler -- "Offending fundamentalists isn't my goal – but if it is an inevitable side-effect of defending human rights, so be it." -- Johann Hari -- 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