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Subject: Re: nat lan to tun (nat before vpn)
From: "Felix J. Ogris" <fjo-lists@ogris.de>
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Date: Mon, 21 Jul 2014 11:18:45 +0200
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To: Zeus Panchenko <zeus@ibs.dn.ua>
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On 21 Jul 2014, at 10:42, Zeus Panchenko <zeus@ibs.dn.ua> wrote:

> hi,
>=20
> just was stumbled on the subject ... please, may somebody advise what =
am
> I missing?

Is net.inet.ip.forwarding set to 1?

> I have:
>=20
> FreeBSD 10.0-STABLE #0 r261303
>=20
> BoxA:
> LAN: 192.168.0.1/24
> TUN (OpenVPN): 172.16.10.1
>=20
> with route to 172.16/12 set via tun
>=20
> BoxB:
> LAN: 192.168.0.2/24
>=20
> with route to 172.16/12 set via boxA lan
>=20
> I need:
> to give access to 172.16/12 for boxB via nat on boxA
>=20
> in boxA pf.conf:
>=20
> nat on tun1 from 192.168.0.2 to 172.16/12 -> 172.16.10.1
> pass in	log on tun1

Should be "pass out" or just "pass"
Is the OpenVPN tunnel up? Do you have a rule on the underlying interface =
to pass out udp to port 1194?

> pass in log (all) on $if_lan inet proto { tcp udp } from 192.168.0.2
>=20
> when I spawn traffic to 172.16/12 from boxB I can see packets on lan
> boxA but nothin is on boxA tun ...
>=20
> so, can I do that this way or I need something yet? is it =
nat-before-vpn
> case which is not implemented in FreeBSD pf yet (at last it was so)?
>=20
> --
> Zeus V. Panchenko				jid:zeus@im.ibs.dn.ua
> IT Dpt., I.B.S. LLC					  GMT+2 (EET)
>=20
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