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Date:      Wed, 10 Jul 2019 03:40:22 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 238796] ipfilter: fix unremovable rules and rules checksum for comparison
Message-ID:  <bug-238796-7501-xofChct2MW@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-238796-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-238796-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D238796

--- Comment #14 from WHR <msl0000023508@gmail.com> ---
Good news. I has reproduced this bug in a FreeBSD 13.0-CURRENT r349753 test=
ing
VM.

The steps are:

kldload ipl.ko
ifconfig tun0 plumb
ifconfig tun1 plumb
echo "pass in quick reply-to tun0:10.1.1.1 on tun0 proto tcp from any to
10.1.1.11 port =3D 22 flags S/FSRPAU keep state" | ipf -f -
echo "pass in quick reply-to tun1:10.1.2.1 on tun1 proto tcp from any to
10.1.2.11 port =3D 22 flags S/FSRPAU keep state" | ipf -f -
echo "pass in quick reply-to tun0:10.1.1.1 on tun0 proto tcp from any to
10.1.1.11 port =3D 22 flags S/FSRPAU keep state" | ipf -f -
ipfstat -Rion
echo "pass in quick route-to tun1:10.1.2.1 on em0 proto tcp from 10.0.3.63 =
to
any" | ipf -f -
echo "pass in quick route-to tun0:10.1.1.1 on em0 proto tcp from 10.0.3.64 =
to
any port =3D 23" | ipf -f -
echo "pass in quick reply-to tun0:10.1.1.1 on tun0 proto tcp from any to
10.1.1.11 port =3D 22 flags S/FSRPAU keep state" | ipf -f -
ipfstat -Ri
ipfstat -Ri | ipf -f -

Please tell if you want the VM configuration or the disk image.

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