From owner-freebsd-ipfw@freebsd.org Sun Oct 6 19:15:36 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 0C06113182A for ; Sun, 6 Oct 2019 19:15:36 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 46mYGv5BSMz3DlN for ; Sun, 6 Oct 2019 19:15:35 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: by mailman.nyi.freebsd.org (Postfix) id B012D131829; Sun, 6 Oct 2019 19:15:35 +0000 (UTC) Delivered-To: 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 AEC2D131828 for ; Sun, 6 Oct 2019 19:15:35 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 46mYGt19KGz3DlK for ; Sun, 6 Oct 2019 19:15:30 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (localhost [127.0.0.1]) by gndrsh.dnsmgr.net (8.13.3/8.13.3) with ESMTP id x96JFLr4068661; Sun, 6 Oct 2019 12:15:21 -0700 (PDT) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: (from freebsd-rwg@localhost) by gndrsh.dnsmgr.net (8.13.3/8.13.3/Submit) id x96JFLAJ068660; Sun, 6 Oct 2019 12:15:21 -0700 (PDT) (envelope-from freebsd-rwg) From: "Rodney W. Grimes" Message-Id: <201910061915.x96JFLAJ068660@gndrsh.dnsmgr.net> Subject: Re: igmp query v3 In-Reply-To: <20191006145853.1459f62e@dismail.de> To: starikarp@dismail.de Date: Sun, 6 Oct 2019 12:15:21 -0700 (PDT) CC: ipfw@freebsd.org X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: 46mYGt19KGz3DlK X-Spamd-Bar: + Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of freebsd-rwg@gndrsh.dnsmgr.net has no SPF policy when checking 69.59.192.140) smtp.mailfrom=freebsd-rwg@gndrsh.dnsmgr.net X-Spamd-Result: default: False [1.66 / 15.00]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; IP_SCORE(0.04)[ip: (0.15), ipnet: 69.59.192.0/19(0.07), asn: 13868(0.04), country: US(-0.05)]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[dnsmgr.net]; AUTH_NA(1.00)[]; NEURAL_SPAM_MEDIUM(0.71)[0.709,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_SPAM_LONG(0.01)[0.005,0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:13868, ipnet:69.59.192.0/19, country:US]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; RCVD_COUNT_TWO(0.00)[2] 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 19:15:36 -0000 > Hi! > > 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 >From /etc/protocols ip is protocol 0, ipv6 is protocol 41 igmp is protocol 2 Your rule needs to be cmd 01090 deny log igmp from any to 224.0.0.0/4 in via $pif > but I never seen anything about blocking igmp. > Mine pf firewall settings block all the time and I get: > > 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] > > Why ipfw doesn't block anything, please? What I doing wrong? > > Thank you. > > > -- > ?Hungry man, reach for the book: it is a weapon.? > > ? Bertolt Brecht > _______________________________________________ > freebsd-ipfw@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-ipfw > To unsubscribe, send any mail to "freebsd-ipfw-unsubscribe@freebsd.org" > > -- Rod Grimes rgrimes@freebsd.org