Hello, On Wednesday, 2008 October 8 at 13:21:35 -0300, Servers 4you wrote: > I need block every packet with 14bytes size. > > what can i do? man iptables : length This module matches the length of the layer-3 payload (e.g. layer-4 packet) f a packet against a specific value or range of values. [!] --length length[:length] BR, -- Eric Leblond INL: http://www.inl.fr/ NuFW: http://www.nufw.org/ -- 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