Messages in this thread | | | Date | Wed, 17 Sep 2003 21:34:16 +0100 | From | Jamie Lokier <> | Subject | Re: Incremental update of TCP Checksum |
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Richard B. Johnson wrote: > This is all wonderful. This assumes that the stuff being modified > in the packet is on well-defined boundaries, seldom the case when > you are re-writing packet data, but certainly the case if you > are re-writing an IP address.
The only important boundary consideration is whether you're modifying at an odd or even byte offset into the packet.
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