From owner-freebsd-ipfw@freebsd.org Sun Oct 6 20:25:33 2019 Return-Path: Delivered-To: freebsd-ipfw@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 7346E132BE4 for ; Sun, 6 Oct 2019 20:25:33 +0000 (UTC) (envelope-from starikarp@dismail.de) Received: from mx2.dismail.de (mx2.dismail.de [159.69.191.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx2.dismail.de", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46mZqc3VFDz3HXx for ; Sun, 6 Oct 2019 20:25:32 +0000 (UTC) (envelope-from starikarp@dismail.de) Received: from mx2.dismail.de (localhost [127.0.0.1]) by mx2.dismail.de (OpenSMTPD) with ESMTP id 632098b1 for ; Sun, 6 Oct 2019 22:25:29 +0200 (CEST) Received: from smtp2.dismail.de ( [10.240.26.12]) by mx2.dismail.de (OpenSMTPD) with ESMTP id 351f5a3c for ; Sun, 6 Oct 2019 22:25:29 +0200 (CEST) Received: from smtp2.dismail.de (localhost [127.0.0.1]) by smtp2.dismail.de (OpenSMTPD) with ESMTP id 97f5d3b7 for ; Sun, 6 Oct 2019 22:25:29 +0200 (CEST) Received: by dismail.de (OpenSMTPD) with ESMTPSA id be9aa059 (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO) for ; Sun, 6 Oct 2019 22:25:28 +0200 (CEST) Date: Sun, 6 Oct 2019 16:25:26 -0400 From: To: freebsd-ipfw@freebsd.org Subject: Re: igmp query v3 Message-ID: <20191006162526.376c0b95@dismail.de> In-Reply-To: <201910061915.x96JFLAJ068660@gndrsh.dnsmgr.net> References: <20191006145853.1459f62e@dismail.de> <201910061915.x96JFLAJ068660@gndrsh.dnsmgr.net> X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 46mZqc3VFDz3HXx X-Spamd-Bar: ------ X-Spamd-Result: default: False [-6.74 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[dismail.de:s=20190914]; IP_SCORE(-2.04)[ip: (-9.91), ipnet: 159.69.0.0/16(1.53), asn: 24940(-1.80), country: DE(-0.01)]; R_SPF_ALLOW(-0.20)[+ip4:159.69.191.136]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-ipfw@freebsd.org]; TO_DN_NONE(0.00)[]; RCVD_DKIM_ARC_DNSWL_MED(-0.50)[]; RCPT_COUNT_ONE(0.00)[1]; DWL_DNSWL_LOW(-1.00)[dismail.de.dwl.dnswl.org : 127.0.5.1]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[dismail.de:+]; RCVD_IN_DNSWL_MED(-0.20)[136.191.69.159.list.dnswl.org : 127.0.5.2]; FROM_NO_DN(0.00)[]; DMARC_POLICY_ALLOW(-0.50)[dismail.de,reject]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:24940, ipnet:159.69.0.0/16, country:DE]; MID_RHS_MATCH_FROM(0.00)[] X-BeenThere: freebsd-ipfw@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IPFW Technical Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Oct 2019 20:25:33 -0000 On Sun, 6 Oct 2019 12:15:21 -0700 (PDT) "Rodney W. Grimes" wrote: > > Hi! > >=20 > > My system is FreeBSD 12.0-RELEASE-p10 (amd64) and I start learning > > ipfw firewall. > > I have a line: > > cmd 01090 deny log all from any to 224.0.0.0/4 in via $pif > ^^^ all translates to ipv4 or ipv6 >=20 > From /etc/protocols ip is protocol 0, ipv6 is protocol 41 > igmp is protocol 2 >=20 > Your rule needs to be > cmd 01090 deny log igmp from any to 224.0.0.0/4 in via $pif >=20 > > but I never seen anything about blocking igmp. > > Mine pf firewall settings block all the time and I get: > >=20 > > listening on pflog0, link-type PFLOG (OpenBSD pflog file), capture > > size 262144 bytes 2019-10-05 06:47:08.677668 rule 12/0(match): > > block in on bge0: 192.168.1.1 > 224.0.0.1: igmp query v3 [max resp > > time 1.0s] > >=20 > > Why ipfw doesn't block anything, please? What I doing wrong? > >=20 > > Thank you. > >=20 > >=20 > > --=20 Thank you. --=20 =E2=80=9CHungry man, reach for the book: it is a weapon.=E2=80=9D=20 =E2=80=95 Bertolt Brecht