From owner-freebsd-net@freebsd.org Sun Apr 28 15:24:23 2019 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 330C9158136D for ; Sun, 28 Apr 2019 15:24:23 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward106j.mail.yandex.net (forward106j.mail.yandex.net [IPv6:2a02:6b8:0:801:2::109]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2488597BAE for ; Sun, 28 Apr 2019 15:24:20 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from mxback8g.mail.yandex.net (mxback8g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:169]) by forward106j.mail.yandex.net (Yandex) with ESMTP id 0B1D111A05F3; Sun, 28 Apr 2019 18:24:09 +0300 (MSK) Received: from smtp1o.mail.yandex.net (smtp1o.mail.yandex.net [2a02:6b8:0:1a2d::25]) by mxback8g.mail.yandex.net (nwsmtp/Yandex) with ESMTP id KTAgDBBWCo-O8Ke7Aus; Sun, 28 Apr 2019 18:24:09 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1556465049; bh=A886n1GKIQxvxIu8OwPjbLeS610vRKTvU23u6SH8QiY=; h=In-Reply-To:From:Date:References:To:Subject:Message-ID; b=BzTKQIWT7EJB+SWmnLjMjOPWqxHSx1J2mF96Xgi4RZjFyYm+7HssZxc//gg/6/gk3 e4ir0cjR7v3axGWgaIff61qxhbcX2lhSJCeepY3AKmAe/LQYbFV4eIQgtiYRXEZ6jd Tomna6Xc9Bz2XV1cMvW57sQ9BLMcQRfEg1FJcVNA= Received: by smtp1o.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id MUvLeyE1p2-O8RiGn1t; Sun, 28 Apr 2019 18:24:08 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) Subject: Re: IPSec with if_ipsec strongswan and dynamic roadwarriors To: driesm.michiels@gmail.com, freebsd-net@freebsd.org References: <001201d4fdb8$93de0d80$bb9a2880$@gmail.com> From: "Andrey V. Elsukov" Openpgp: id=E6591E1B41DA1516F0C9BC0001C5EA0410C8A17A Autocrypt: addr=bu7cher@yandex.ru; prefer-encrypt=mutual; keydata= mQENBEwBF1kBCADB9sXFhBEUy8qQ4X63Y8eBatYMHGEFWN9ypS5lI3RE6qQW2EYbxNk7qUC5 21YIIS1mMFVBEfvR7J9uc7yaYgFCEb6Sce1RSO4ULN2mRKGHP3/Sl0ijZEjWHV91hY1YTHEF ZW/0GYinDf56sYpDDehaBF5wkWIo1+QK5nmj3vl0DIDCMNd7QEiWpyLVwECgLX2eOAXByT8B bCqVhJGcG6iFP7/B9Ll6uX5gb8thM9LM+ibwErDBVDGiOgvfxqidab7fdkh893IBCXa82H9N CNwnEtcgzh+BSKK5BgvPohFMgRwjti37TSxwLu63QejRGbZWSz3OK3jMOoF63tCgn7FvABEB AAG0JUFuZHJleSBWLiBFbHN1a292IDxidTdjaGVyQHlhbmRleC5ydT6JATgEEwECACIFAkwB F1kCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEAHF6gQQyKF6qmYIAI6ekfm1VA4T vqankI1ISE6ku4jV7UlpIQlEbE7/8n3Zd6teJ+pGOQhN5qk8QE7utdPdbktAzi+x7LIJVzUw 4TywZLXGrkP7VKYkfg6oyCGyzITghefQeJtr2TN4hYCkzPWpylkue8MtmqfZv/6royqwTbN+ +E09FQNvTgRUYJYTeQ1qOsxNRycwvw3dr2rOfuxShbzaHBB1pBIjGrMg8fC5pd65ACH5zuFV A0CoTNGMDrEZSfBkTW604UUHFFXeCoC3dwDZRKOWJ3GmMXns65Ai5YkA63BSHEE1Qle3VBhd cG1w0CB5FBV3pB27UVnf0jEbysrDqW4qN7XMRFSWNAy5AQ0ETAEXWQEIAJ2p6l9LBoqdH/0J PEFDY2t2gTvAuzz+8zs3R03dFuHcNbOwjvWCG0aOmVpAzkRa8egn5JB4sZaFUtKPYJEQ1Iu+ LUBwgvtXf4vWpzC67zs2dDuiW4LamH5p6xkTD61aHR7mCB3bg2TUjrDWn2Jt44cvoYxj3dz4 S49U1rc9ZPgD5axCNv45j72tggWlZvpefThP7xT1OlNTUqye2gAwQravXpZkl5JG4eOqJVIU X316iE3qso0iXRUtO7OseBf0PiVmk+wCahdreHOeOxK5jMhYkPKVn7z1sZiB7W2H2TojbmcK HZC22sz7Z/H36Lhg1+/RCnGzdEcjGc8oFHXHCxUAEQEAAYkBHwQYAQIACQUCTAEXWQIbDAAK CRABxeoEEMihegkYCAC3ivGYNe2taNm/4Nx5GPdzuaAJGKWksV+w9mo7dQvU+NmI2az5w8vw 98OmX7G0OV9snxMW+6cyNqBrVFTu33VVNzz9pnqNCHxGvj5dL5ltP160JV2zw2bUwJBYsgYQ WfyJJIM7l3gv5ZS3DGqaGIm9gOK1ANxfrR5PgPzvI9VxDhlr2juEVMZYAqPLEJe+SSxbwLoz BcFCNdDAyXcaAzXsx/E02YWm1hIWNRxanAe7Vlg7OL+gvLpdtrYCMg28PNqKNyrQ87LQ49O9 50IIZDOtNFeR0FGucjcLPdS9PiEqCoH7/waJxWp6ydJ+g4OYRBYNM0EmMgy1N85JJrV1mi5i Message-ID: Date: Sun, 28 Apr 2019 18:23:01 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <001201d4fdb8$93de0d80$bb9a2880$@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="P1icVz3NZp31nqdWGifwtXt0Kuf1nym5h" X-Rspamd-Queue-Id: 2488597BAE X-Spamd-Bar: ------- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yandex.ru header.s=mail header.b=BzTKQIWT; dmarc=pass (policy=none) header.from=yandex.ru; spf=pass (mx1.freebsd.org: domain of bu7cher@yandex.ru designates 2a02:6b8:0:801:2::109 as permitted sender) smtp.mailfrom=bu7cher@yandex.ru X-Spamd-Result: default: False [-7.94 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a02:6b8:0::/52]; FREEMAIL_FROM(0.00)[yandex.ru]; HAS_ATTACHMENT(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[yandex.ru:+]; MX_GOOD(-0.01)[mx.yandex.ru,mx.yandex.ru,mx.yandex.ru,mx.yandex.ru,mx.yandex.ru]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-1.00)[-0.999,0]; DMARC_POLICY_ALLOW(-0.50)[yandex.ru,none]; SIGNED_PGP(-2.00)[]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:+]; RCVD_TLS_LAST(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[9.0.1.0.0.0.0.0.0.0.0.0.2.0.0.0.1.0.8.0.0.0.0.0.8.b.6.0.2.0.a.2.list.dnswl.org : 127.0.5.1]; ASN(0.00)[asn:13238, ipnet:2a02:6b8::/32, country:RU]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[yandex.ru.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[yandex.ru]; R_DKIM_ALLOW(-0.20)[yandex.ru:s=mail]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.20)[multipart/signed,multipart/mixed,text/plain]; TO_MATCH_ENVRCPT_SOME(0.00)[]; IP_SCORE(-1.73)[ipnet: 2a02:6b8::/32(-4.80), asn: 13238(-3.84), country: RU(0.00)] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Apr 2019 15:24:23 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --P1icVz3NZp31nqdWGifwtXt0Kuf1nym5h Content-Type: multipart/mixed; boundary="MnZcLzqAnwpUUxpAoV1ckjCx3Q6EaDqf3"; protected-headers="v1" From: "Andrey V. Elsukov" To: driesm.michiels@gmail.com, freebsd-net@freebsd.org Message-ID: Subject: Re: IPSec with if_ipsec strongswan and dynamic roadwarriors References: <001201d4fdb8$93de0d80$bb9a2880$@gmail.com> In-Reply-To: <001201d4fdb8$93de0d80$bb9a2880$@gmail.com> --MnZcLzqAnwpUUxpAoV1ckjCx3Q6EaDqf3 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 28.04.2019 14:50, driesm.michiels@gmail.com wrote: > Was wondering if it's possible to set-up a route based IPSec VPN with > Strongswan with if_ipsec in FreeBSD? We use if_ipsec(4) with Strongswan between offices. But our configuration is specific. All if_ipsec(4) interfaces are preconfigured via rc.conf. I.e. all interfaces has configured IP addresses and tunnel endpoints. Strongswan is used to install security associations. For each if_ipsec(4) interface we have corresponding entry in ipsec.conf.= conn some-name-ipsec18 installpolicy=3Dno auto=3Droute left=3DLocal-Tunnel-IP-address right=3DRemote-Tunnel-IP-address rightid=3D@some-name-id reqid=3D18 Each interface has unique reqid. > The caveat that I have are dynamic IP addresses (server (I have DDNS) += > clients (roadwarriors; mobile, tablet, etc)). >=20 > How should one configure the if_ipsec interface? The Strongswan part is= > relatively straightforward as it takes variables that indicate "%any". >=20 > I found some guides for road warriors with Ubuntu VTI;, they configure = it as > such: >=20 > * ip tunnel add ipsec0 local 192.168.0.1 remote 0.0.0.0 mode vti key > 42 > * Reference: > https://wiki.strongswan.org/projects/strongswan/wiki/RouteBasedVPN >=20 > So the first address I assume is the left side of the external header (= so > NAT-T is needed) and the remote is a match all policy for the right sid= e. >=20 > Can this be copy pasted on FreeBSD? In other words, is the Ubuntu comma= nd > equivalent to "ifconfig ipsec0 inet tunnel 192.168.0.1 0.0.0.0" for Fre= eBSD? This won't work. I think you need to write updown script that will create corresponding if_ipsec(4) interface on demand and configure it, i.e. set tunnel addresses and some internal if needed. Note, you need to use the same reqid for if_ipsec(4) and for "conn" option. --=20 WBR, Andrey V. Elsukov --MnZcLzqAnwpUUxpAoV1ckjCx3Q6EaDqf3-- --P1icVz3NZp31nqdWGifwtXt0Kuf1nym5h Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAlzFxVUACgkQAcXqBBDI oXo9hwgAvFMk96xDSTL5EUIdb2jB7PEkDHkjv4kbxMgo/otuIXE8L9o6MpAISQIX +HtA42DHKxLFU3498HLH10xYjj6MLZpLKk/WoOoGrYs6qzjuIr6SIrtXK0nag3Qj +A0C8c6iVHThIQ5As8YchjoGBtiG75vTpM+Xo45hlFK/N93BcmTZ9ks4z1whh1YX 4p/0EB/3IuOtY8km6cHrav/OTjkGk4lJk+nKskylU3G0GMO9i5HAKFIfD7w9CaOG RbxWsqVrPgf+tm4zcHCgmqlgAo/rbBh6AHMAUvPATQ+qkhu/QQcHueb+jdvpl2Ji /eZBRwNvUT+ZIYBjiHn7KZyfh8MQJQ== =W7ah -----END PGP SIGNATURE----- --P1icVz3NZp31nqdWGifwtXt0Kuf1nym5h--