On Sunday 2011-04-03 06:47, Brian G wrote: > Hi, > > I want to modify a packet in the TCP mangle PREROUTING table. > > First question: Fragments, does the kernel reassemble them BEFORE this point? Potentially. It may, but it does not have to. > Second question: Checksums, do I need to update the checksum? Yes. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html