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Date:      Wed, 04 Jan 2023 19:32:00 +0000
From:      bugzilla-noreply@freebsd.org
To:        ipfw@FreeBSD.org
Subject:   [Bug 267278] ipfw mask addr:mask syntax creates wrong rule
Message-ID:  <bug-267278-8303-f7XPqEWzRl@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-267278-8303@https.bugs.freebsd.org/bugzilla/>
References:  <bug-267278-8303@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D267278

--- Comment #6 from Andrey V. Elsukov <ae@FreeBSD.org> ---
(In reply to Marek Zarychta from comment #5)
> My concern is the requirement to set net.inet.ip.fw.one_pass=3D0, but pro=
bably
> without this setting dummynet and nat64lsn aren't supposed to work togeth=
er,=20
> is that right?

When you use nat64_direct_output, nat64 module will send translated packet
directly and dummynet will be unable to catch it for scheduling.

When you use dummynet+onepass, a packet after scheduling will have IPFW_ONE=
PASS
flag. This means it will be explicitly accepted without passing through
firewall rules when you plan it to be translated.

--=20
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