Ethereal-dev: [Ethereal-dev] Loopback packets have incorrect checksum

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From: Shaun Jackman <sjackman@xxxxxxxxx>
Date: Wed, 16 Jun 2004 13:15:00 -0700
This is a followup to my previous e-mail regarding 
pinfo->can_desegment being false. The packets I'm capturing came from 
the Linux loopback device, and it seems a large number of the packets 
have an incorrect TCP checksum.  Or, at least, ethereal believes the 
TCP checksum is incorrect. I haven't calculated the checksum by hand 
yet. I can send the packet capture to anyone that's interested. In 
the mean time, I'm going to hack the desegmenting code to ignore bad 
checksums.

Please cc me in your reply. Cheers,
Shaun