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Tue, 17 Mar 2020 05:35:52 -0700 (PDT) MIME-Version: 1.0 References: <4c936163-f77b-3fe1-56be-8f6967add0ef@viklenko.net> In-Reply-To: <4c936163-f77b-3fe1-56be-8f6967add0ef@viklenko.net> From: Cristian Cardoso Date: Tue, 17 Mar 2020 09:35:40 -0300 Message-ID: Subject: Re: PF + IPsec To: Artem Viklenko Cc: freebsd-pf@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 48hXhT4f7jz3LbR X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=YSUvisQV; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of cristiancardoso11@gmail.com designates 2a00:1450:4864:20::531 as permitted sender) smtp.mailfrom=cristiancardoso11@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-pf@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCVD_COUNT_TWO(0.00)[2]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[1.3.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; IP_SCORE(0.00)[ip: (-9.56), ipnet: 2a00:1450::/32(-2.39), asn: 15169(-1.65), country: US(-0.05)]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; TAGGED_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0] X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Technical discussion and general questions about packet filter \(pf\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Mar 2020 12:35:54 -0000 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 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!