From owner-freebsd-net@freebsd.org Wed Feb 24 01:55:30 2021 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 B0C9055C9D6 for ; Wed, 24 Feb 2021 01:55:30 +0000 (UTC) (envelope-from ingo.flaschberger@gmail.com) Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) (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 4DlfBn69BHz3Kbb for ; Wed, 24 Feb 2021 01:55:29 +0000 (UTC) (envelope-from ingo.flaschberger@gmail.com) Received: by mail-wm1-x32d.google.com with SMTP id j187so454200wmj.1 for ; Tue, 23 Feb 2021 17:55:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=plKWXPbdpgH5AyiqcbFLmN5f56Ni3sV1qFxj80q2Ji8=; b=k2etwGrTJaq6jKoqjw9H4KtMQo398Q+meEZ81AL1UbPBNSETiQl+VJqTJFEpelqbjo NzlPAolhjTJg4V1ftxQbp7oJHvkzXOLIVWp++tajjggXv9L2JGaSwsvQZMFBBu0BP9YJ OTqQ4khdg0Ljo0OpsZ9mTLAktyGSPg6s1LMK/ODhj3FcoppAPM6nDBODaJSJYjQ230E6 psDTsPNK/Ju6eRiPCI7nNwnnRIqVwT2SmlPowHl13Db1i30ldzA5AquzfR5S6Di+9Cnk 1awZtiWmcDXovDu1ZNJrwecB7FcAjD+PIr2oLNgrWo5gxD8Ivtyuq51svxjMojpZsJvN XMdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=plKWXPbdpgH5AyiqcbFLmN5f56Ni3sV1qFxj80q2Ji8=; b=NL3XmfGtRnMDxIU7HWIvrwg+YHmqWr0kFWW+4OyZJqW2DGstiZoo+2E7597olt861W 0tu+pGD8iF6SRkoRFeZ26q5OU8dfe+MHwWr/r7FuY3DHeWu5rErsBT+H7V5GZrOrPCYN mKjsXFwpJ1u74nKfjL5afIHab9udYeCPlh6ab+GuX+8+5vYQO69aSAw8PerlL0ZJjnW6 L1tJ8m/j4uWKhOHp8t3ia1GHXWGGV9iGf6BmOigwNKVpq67zSl59LjO0U7bmxJT7VXEI 8FW67GzvaYfT1+1sZM3HwRvUNYp5ChM+LbFnXuTHvttTA9x+vx/RgMUhnITNIlHUO4nK x2sg== X-Gm-Message-State: AOAM533FxMvB0wOoUbHHnqkasqM8iZ/dDeu7SUh9rYchIaxg6GObSJqO Pgv67uwV+1jjSuRfBn8rc64f1/CaVCI= X-Google-Smtp-Source: ABdhPJzcy7spZ1tRE37Upt6uGZeacUBH49yZOira9JgNUzVWTIwtrRpDvvt5T3Qt19QRnT40QujJAA== X-Received: by 2002:a1c:9d52:: with SMTP id g79mr1379248wme.144.1614131728313; Tue, 23 Feb 2021 17:55:28 -0800 (PST) Received: from [192.168.10.248] (178-191-161-183.adsl.highway.telekom.at. [178.191.161.183]) by smtp.gmail.com with ESMTPSA id c2sm679122wrx.70.2021.02.23.17.55.27 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Feb 2021 17:55:28 -0800 (PST) To: freebsd-net@freebsd.org From: Ingo Flaschberger Subject: will M_PROMISC packets from ethernet be forwarded? Message-ID: Date: Wed, 24 Feb 2021 02:55:26 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: de-AT X-Rspamd-Queue-Id: 4DlfBn69BHz3Kbb X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=k2etwGrT; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ingoflaschberger@gmail.com designates 2a00:1450:4864:20::32d as permitted sender) smtp.mailfrom=ingoflaschberger@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a00:1450:4864:20::32d:from]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::32d:from:127.0.2.255]; RECEIVED_SPAMHAUS_PBL(0.00)[178.191.161.183:received]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::32d:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-net] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.34 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, 24 Feb 2021 01:55:30 -0000 On a opnsense fw with promiscuous interfaces (because of carp) I see that packets received with not own mac as dst are accepted and forwarded. Checked a little the opnsense & freebsd src code - still got no idea if vanilla freebsd would (not) forward a "M_PROMISC" tagged packet?