From owner-freebsd-net@freebsd.org Wed Jun 10 05:39:40 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 45CA2329AA4 for ; Wed, 10 Jun 2020 05:39:40 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [IPv6:2a01:4f8:c2c:26d8::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 49hbQz1Q0mz4jJV for ; Wed, 10 Jun 2020 05:39:38 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (eg.sd.rdtc.ru [IPv6:2a03:3100:c:13:0:0:0:5]) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id 05A5dLBM051363 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 10 Jun 2020 05:39:25 GMT (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: Received: from [10.58.0.10] (dadvw [10.58.0.10]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id 05A5dJ8Y094942 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT) for ; Wed, 10 Jun 2020 12:39:19 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: On Netgraph To: freebsd-net@freebsd.org References: <20200609234859.GR4213@funkthat.com> From: Eugene Grosbein Message-ID: Date: Wed, 10 Jun 2020 12:39:14 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <20200609234859.GR4213@funkthat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.2 X-Spam-Report: * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record * -0.0 SPF_PASS SPF: sender matches SPF record * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on hz.grosbein.net X-Rspamd-Queue-Id: 49hbQz1Q0mz4jJV X-Spamd-Bar: + Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; 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 [1.59 / 15.00]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_SPAM_SHORT(0.42)[0.418]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_DN_NONE(0.00)[]; NEURAL_SPAM_MEDIUM(0.56)[0.562]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_THREE(0.00)[3]; DMARC_NA(0.00)[grosbein.net]; R_SPF_PERMFAIL(0.00)[empty SPF record]; NEURAL_SPAM_LONG(0.71)[0.714]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jun 2020 05:39:40 -0000 10.06.2020 6:48, John-Mark Gurney wrote: > Tom Marcoen wrote this message on Tue, Jun 09, 2020 at 12:53 +0200: >> That is what I had in mind. Though I was hoping I could put the encryption >> in NetGraph too so that I would not see that interface on my host where I >> do not need to see it. > > You wouldn't see any interface if you're encrypting and authenticating > a UDP tunnel with IPsec... the Security Association (SA) is transparent > and does not appear on the interface list of your host.. This is only partially true these days: https://www.freebsd.org/cgi/man.cgi?query=if_ipsec