From owner-freebsd-questions@freebsd.org Fri Sep 11 21:37:50 2020 Return-Path: Delivered-To: freebsd-questions@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 1353B3E71C4 for ; Fri, 11 Sep 2020 21:37:50 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4Bp8Hd6351z3f11 for ; Fri, 11 Sep 2020 21:37:49 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: by mailman.nyi.freebsd.org (Postfix) id CDDF23E71C3; Fri, 11 Sep 2020 21:37:49 +0000 (UTC) Delivered-To: questions@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 CDA9E3E70E3 for ; Fri, 11 Sep 2020 21:37:49 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mail-ot1-x333.google.com (mail-ot1-x333.google.com [IPv6:2607:f8b0:4864:20::333]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bp8Hc6Hv5z3dvW for ; Fri, 11 Sep 2020 21:37:48 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: by mail-ot1-x333.google.com with SMTP id c10so9532448otm.13 for ; Fri, 11 Sep 2020 14:37:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=NvLnla3yc10rzRsS8fz+LWxIK3W1JAQe88mAYG2M468=; b=qBfSd03QrGjg1LzCG00FHKdIBDLsVIVksz+rfNsS3PPA4aMH8+2ptOg7ylGO9KFXTI f0d1APT+pWpMeFKqTHIPQU3bWHWK5+v056u5Q2TqeALSOIZl4VbRjeRet9h96J8sYoNP zLBKA5AGiry7p+aiwMQcaHcUh6nQnCiRM47ekwZDO7mEEp1skuRizHEjg9FCd0LYzKsh aEV4imy5dRPjSbkllG/69A6OHNN293Cq0tIJukWy06WcGlARI7coXzAM/ObHO99Z4/Fu 3asU+mS0qdYdO6izKcAcVUUeH0MVvKMu0vORh9Yi38HcRWq8xoMmUh53AIGi7KF2Q0SX iMJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=NvLnla3yc10rzRsS8fz+LWxIK3W1JAQe88mAYG2M468=; b=sEqNEQh79i+ivvQ/teJ/5XiqiLErJgmy85vG++LiAtky2svRt0wy65x83hFRSp9Dub bGwO/H3eKEXSVEVEALqWpPGRGnBBV/TgWNyvqZiYMQ8FdAIdxak/uLZSgYkGOS8b7A8F j6vKQcxEHSZ+nUZQWIjJJ2aN6MvOVIL7MlCc9i0e9PHgO1sSePd9R7X8EpQUuXLR9LYA Zbz6XzPniwvRu7IkOF53geTMhDBzdg+6odzfsld+HwMVbAWyvr859ENz9rttoVJ8W0p8 8TfnHEPZVhndh3jCghKlgt9eAT3hWeWXkdUVmv8rKIjkmikPL1YzNAG7wk2FgriFyRkB yp2A== X-Gm-Message-State: AOAM531oH4J6VOy2ZZnkxBuubK8kOuOCq1ln1yHomd85o3qDvGOzkqPm qGkVTT/KwDskkk+C4oAikWSk5zlJi/j4YIspvHdmKeg28G1sFA== X-Google-Smtp-Source: ABdhPJwaRAfbrU9B0VgA5jgeRUC0w1N3HLy/bldyAlRI3Y50iYsDO9hiKBsoZ8Lf5zn5Mk3Ad85ItqNnPTwl/OR5p/E= X-Received: by 2002:a9d:ea5:: with SMTP id 34mr2520214otj.199.1599860267303; Fri, 11 Sep 2020 14:37:47 -0700 (PDT) MIME-Version: 1.0 From: Kevin Oberman Date: Fri, 11 Sep 2020 14:37:31 -0700 Message-ID: Subject: ipfw matching traffic to broadcast (255.255.255.255) To: "freebsd-questions@freebsd.org" X-Rspamd-Queue-Id: 4Bp8Hc6Hv5z3dvW X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=qBfSd03Q; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of kob6558@gmail.com designates 2607:f8b0:4864:20::333 as permitted sender) smtp.mailfrom=kob6558@gmail.com X-Spamd-Result: default: False [-2.12 / 15.00]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.42)[-0.423]; FORGED_SENDER(0.30)[rkoberman@gmail.com,kob6558@gmail.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[rkoberman@gmail.com,kob6558@gmail.com]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.001]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-0.99)[-0.995]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::333:from]; HTTP_TO_IP(1.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[questions] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Sep 2020 21:37:50 -0000 I am seeing traffic from my cell phone to the broadcast address that I would like to block. I added a rule: 3220 deny udp from 192.168.1.18 9050 to any It shows no packet ever match even though I see many logged by my catch-all rule: 5999 deny log udp from any to any ipfw: 5999 Deny UDP 192.168.1.18:9050 255.255.255.255:9050 in via wlan0 Why is the 3220 rule not matching the packets I see logged by 3220? -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683