In your previous mail you wrote: I strongly recommend that people read section 1 of RFC 2765. Here is some of the relevant text: Fragmented IPv4 UDP packets that do not contain a UDP checksum (i.e. the UDP checksum field is zero) are not of significant use over wide-areas in the Internet and will not be translated by the translator. An informal trace [MILLER] in the backbone showed that out of 34,984,468 IP packets there were 769 fragmented UDP packets with a zero checksum. However, all of them were due to malicious or broken behavior; a port scan and first fragments of IP packets that are not a multiple of 8 bytes. => G. Miller message is 10 year old so should be even more valid today. Thanks for the quote, IMHO the subject can be closed (again).
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