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Date:      Tue, 17 Mar 2020 09:35:40 -0300
From:      Cristian Cardoso <cristian.cardoso11@gmail.com>
To:        Artem Viklenko <artem@viklenko.net>
Cc:        freebsd-pf@freebsd.org
Subject:   Re: PF + IPsec
Message-ID:  <CAKeEC-JsPwx=9GcbsN5xtV2COQU8S46jjeBUNaQrRNao495cDQ@mail.gmail.com>
In-Reply-To: <4c936163-f77b-3fe1-56be-8f6967add0ef@viklenko.net>
References:  <CAKeEC-LqP-dAFCeSkCnMLU-Qw-j0KxOXLQSmQzX2poLTKZ2W0Q@mail.gmail.com> <4c936163-f77b-3fe1-56be-8f6967add0ef@viklenko.net>

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I tried as follows without success:

rdr on xn0 inet proto icmp from 10.31.32.67 to 10.0.0.0/8 -> 10.19.12.251
nat on xn0 inet proto icmp from 10.0.0.0/8 to 10.31.32.67/32 -> 10.19.12.25=
1
rdr on enc0 inet proto icmp from 10.31.32.67 to 10.0.0.0/8 -> 10.19.12.251
nat on enc0 inet proto icmp from 10.0.0.0/8 to 10.31.32.67 -> 10.19.12.251

xn0 is my interface that goes to the internal network that is beyond
the freebsd and enc0 of the vpn, I just put the icmp protocol for
testing
I checked on tcpdump on the enc0 interface, which occurs echo request
and echo reply, but does not return to the PC that ran icmp on another
network within 10.0.0.0/8

Any suggestion?

Em ter., 17 de mar. de 2020 =C3=A0s 02:48, Artem Viklenko
<artem@viklenko.net> escreveu:
>
> Hi!
>
> PF do NAT on outbound and RDR on inbound.
> You can try to do NAT on enc0 interface instead of lan.
>
>
> On 17.03.20 04:28, Cristian Cardoso wrote:
> > Hello
> > I'm setting up a Freebsd server for ipsec vpn communication with
> > strongswan and I'm having some difficulties in the operation
> >
> > The freebsd server's local network is 10.19.12.0/24 and can connect
> > correctly to the network on the other side of the tunnel.
> >
> > I would like another network behind my server to connect to the tunnel =
as well.
> >
> > In linux I would nat the network that is arriving as follows:
> > iptables -t nat -A POSTROUTING -s 10.0.0.0/8 -d 10.31.32.0/24 -j
> > --SNAT --to 10.19.12.251
> >
> > In FreeBSD I tried to run the rule as follows, but to no avail
> > nat on $ LAN inet from 10.0.0.0/8 to 10.31.32.0/24 -> 10.19.12.251
> >
> > Is there any other way to generate the equivalent of FreeBSD postroutin=
g?
> >
> > Best Regards
> > _______________________________________________
> > freebsd-pf@freebsd.org mailing list
> > https://lists.freebsd.org/mailman/listinfo/freebsd-pf
> > To unsubscribe, send any mail to "freebsd-pf-unsubscribe@freebsd.org"
> >
>
> --
> Regards!



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