Hi, all: I want to use one algorithm to check the packet whether meet rules. As i know iptable can be use to set for gateway and bsp is used by tcpdump, so both should have filter method. My question is 1) whether they same? 2) if not same, which will be fast? Best Regards Bai Shuwei -- ------------------------ Thinking before action, but you are wasting time if you don't do action. -- 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