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From: Charles Forsyth <forsyth@ter...>
Subject: linux il/ip
Date: Tue, 26 Sep 2006 16:14:43 +0100

> since many routers dislike any data that's not udp/tcp

>> that's not true - ip routers don't care about layers 4 and up most of the time

it's mainly nat boxes and other protocol transformers that are confused.
to assist that and similar transformations, the ipv6 designers
carefully put port numbers, lengths and checksums in standard places
in all v6 variants of the existing protocols (since the headers were changing anyway).
how's that???  they didn't!!??!?!