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Date:      Sun, 22 Dec 2019 08:58:34 +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-xuT86IsEew@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 #17 from Victor Sudakov <vas@sibptus.ru> ---
(In reply to Eugene Grosbein from comment #16)
Eugene, could you make "no DF bit" the default behavior? Without the DF bit,
transport mode will work "out of the box" in a vanilla configuration.

If someone somewhere needs the DF flag on ESP packets, no doubt for obscure=
 and
sinister purposes, they could reenable it for themselves.

Remember that net.inet.ipsec.dfbit=3D0 by default.

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