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Subject: [Bug 210860] [pf] [ip6] Incorrect TCP checksums after rdr
Date: Mon, 11 Jul 2016 13:19:06 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D210860

Andrey V. Elsukov <ae@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ae@FreeBSD.org

--- Comment #3 from Andrey V. Elsukov <ae@FreeBSD.org> ---
(In reply to Kristof Provost from comment #1)
> It'd be slightly surprising to have a checksum issue specifically for IPv=
6,
> because the IPv6 header doesn't have a checksum, and I'd expect the TCP
> checksum handling to be the same between v4 and v6.

I didn't looked into the code, but despite the fact that IPv6 header doesn't
have a checksum field, ULP checksums are handled differently in IPv4 and IP=
v6
due to different pseudo headers.

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