From owner-freebsd-hackers@freebsd.org Mon Apr 22 19:54:04 2019 Return-Path: Delivered-To: freebsd-hackers@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 45113158120F for ; Mon, 22 Apr 2019 19:54:04 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: from puchar.net (puchar.net [194.1.144.90]) (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 11756746EA for ; Mon, 22 Apr 2019 19:54:02 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: Received: from 127.0.0.1 (localhost [127.0.0.1]) by puchar.net (8.15.2/8.15.2) with ESMTPS id x3MJrjtt030260 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 22 Apr 2019 21:53:45 +0200 (CEST) (envelope-from puchar-wojtek@puchar.net) Received: from localhost (puchar-wojtek@localhost) by puchar.net (8.15.2/8.15.2/Submit) with ESMTP id x3MJrjiu030257; Mon, 22 Apr 2019 21:53:45 +0200 (CEST) (envelope-from puchar-wojtek@puchar.net) Date: Mon, 22 Apr 2019 21:53:45 +0200 (CEST) From: Wojciech Puchar To: Louis Kowolowski cc: Wojciech Puchar , Eugene Grosbein , freebsd-hackers@freebsd.org Subject: Re: openvpn and system overhead In-Reply-To: <25566D0F-72DF-4EF1-8900-8DD611D03B33@cryptomonkeys.org> Message-ID: References: <0cc6e0ac-a9a6-a462-3a1e-bfccfd41e138@grosbein.net> <5CBAB88C.4020402@grosbein.net> <25566D0F-72DF-4EF1-8900-8DD611D03B33@cryptomonkeys.org> User-Agent: Alpine 2.20 (BSF 67 2015-01-07) MIME-Version: 1.0 X-Rspamd-Queue-Id: 11756746EA X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of wojtek@puchar.net designates 194.1.144.90 as permitted sender) smtp.mailfrom=wojtek@puchar.net X-Spamd-Result: default: False [-5.68 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/mixed,text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[puchar.net]; TO_DN_SOME(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[puchar.net]; CTYPE_MIXED_BOGUS(1.00)[]; RCVD_IN_DNSWL_NONE(0.00)[90.144.1.194.list.dnswl.org : 127.0.10.0]; NEURAL_HAM_SHORT(-0.87)[-0.871,0]; IP_SCORE(-3.50)[ip: (-9.25), ipnet: 194.1.144.0/24(-4.63), asn: 43476(-3.70), country: PL(0.07)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; ASN(0.00)[asn:43476, ipnet:194.1.144.0/24, country:PL]; MID_RHS_MATCH_FROM(0.00)[] Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 8BIT X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Apr 2019 19:54:04 -0000 > can IPSEC VPN work over nat? even freebsd-freebsd case. > > I cannot find any tutorial how to do this. > > > -ishYou must forward udp/4500 to the host and IPSec will negotiate a tunnel successfully. usually i cannot do it when being over nat that isn't under my control From owner-freebsd-hackers@freebsd.org Tue Apr 23 03:02:40 2019 Return-Path: Delivered-To: freebsd-hackers@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 3995D158B515 for ; Tue, 23 Apr 2019 03:02:40 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (eg.sd.rdtc.ru [IPv6:2a03:3100:c:13::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "eg.sd.rdtc.ru", Issuer "eg.sd.rdtc.ru" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 336078B12C for ; Tue, 23 Apr 2019 03:02:28 +0000 (UTC) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: freebsd-hackers@freebsd.org Received: from eg.sd.rdtc.ru (eugen@localhost [127.0.0.1]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTP id x3N32JB6006038; Tue, 23 Apr 2019 10:02:19 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: openvpn and system overhead To: Wojciech Puchar References: <0cc6e0ac-a9a6-a462-3a1e-bfccfd41e138@grosbein.net> <5CBAB88C.4020402@grosbein.net> Cc: freebsd-hackers@freebsd.org From: Eugene Grosbein Message-ID: <5CBE803B.8060505@grosbein.net> Date: Tue, 23 Apr 2019 10:02:19 +0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 336078B12C X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; spf=permerror (mx1.freebsd.org: domain of eugen@grosbein.net uses mechanism not recognized by this client) smtp.mailfrom=eugen@grosbein.net X-Spamd-Result: default: False [0.15 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.38)[-0.382,0]; MX_INVALID(0.50)[greylisted]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_SPAM_SHORT(0.43)[0.429,0]; NEURAL_HAM_LONG(-0.30)[-0.298,0]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[grosbein.net]; TO_MATCH_ENVRCPT_SOME(0.00)[]; R_SPF_PERMFAIL(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; IP_SCORE(0.00)[country: RU(0.00)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:29072, ipnet:2a03:3100::/32, country:RU]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Apr 2019 03:02:40 -0000 On 22.04.2019 22:32, Wojciech Puchar wrote: >>> well it has to cooperate with multitude of clients like windoze, >>> point&click routers etc. that's why openvpn. >> >> Windows has stock support for IPSec with and without L2TP and has no stock openvpn, so IPSec is more preferable. > > can IPSEC VPN work over nat? even freebsd-freebsd case. > > I cannot find any tutorial how to do this. FreeBSD 11.1 and later supports IPSec NAT Traversal out-of-the-box.