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Re: kern/51450: tcptraceroute stopped working properly in 6.0 -> 7.0 transition

> FYI.
> devel/libnet10 linked from net/tcptraceroute uses u_long for th_seq
> and th_ack.
> That causes miscalculation of tcp header length on amd64.

Ah, yes, indeed.  Fixing that brings a response from the remote
end.  There are other u_long's in that header which will be
misinterpreted as well, I'm testing a fix which deals with them

- Håvard

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