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Date:      Sun, 22 Dec 2019 23:04:09 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 242744] IPSec in transport mode between FreeBSD hosts blackholes TCP traffic
Message-ID:  <bug-242744-7501-K0vDhM100a@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-242744-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-242744-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D242744

--- Comment #18 from dewayne@heuristicsystems.com.au ---
(In reply to Eugene Grosbein from comment #16)
I thought that there was a convention regarding sysctl naming format.  Shou=
ld=20
net.inet.ipsec.trans.cleardf be net.inet.ipsec.trans_cleardf, or are there
plans for the trans sub-branch?

As it might help people coming into ipsec in the future. Is it possible to =
have
a crisp (clear) description that distinguishes=20
net.inet.ipsec.trans.cleardf: "Clear do not fragment bit for outgoing trans=
port
mode packets."
and
net.inet.ipsec.dfbit=3DDo not fragment bit on encap.

Suggestion
net.inet.ipsec.dfbit=3D"Do not fragment bit on tunnel encap."
                                             ^

(I'd personally prefer net.inet.ipsec.tunnel_cleardf, and obsolete, in the
future,  ipsec.dfbit as it doesn't do as currently stated. Perhaps worth
consideration?)

--=20
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