From owner-freebsd-net@freebsd.org Wed Nov 25 22:45:14 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A5E62A362AF for ; Wed, 25 Nov 2015 22:45:14 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mail-io0-x22e.google.com (mail-io0-x22e.google.com [IPv6:2607:f8b0:4001:c06::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6AFCF1870 for ; Wed, 25 Nov 2015 22:45:14 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: by iouu10 with SMTP id u10so68977339iou.0 for ; Wed, 25 Nov 2015 14:45:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=FxzwdmOliw6wYmn/EaPvNNfg7IXZMPrYFx6lkPRpdzY=; b=jnkJ5gVr7gn0NoNjFZz+hD8XwlSiu+P2AjklOrb5x3XCT24UtaK4yInfYrTBgPvzgM S0V2er4KEbEm0QgqqHI/BW9JeDmjuyWJHNaeFISW2II35S6uz51Us+fEhhs4eYUEFzFH jJRYX3u+m9S3pbRVKk+EOAmZ3DQyoKT1WUN5ndHLGW35pTXpR4nLvDNKi6/792EQd+OB 58m3p/Jp0uvC1T5X/AJwNMzGq0hcecZfXJVFRAl3DnBs4MPRTT2jvkauG5yjmBK4lYQ0 WAvqf2QcTUM6csis4wUAxSaBtRLQ6Qz9KOoaU5YCsqp9iPSMWE1Iec0Fop2sJZ2qOGH6 niSQ== MIME-Version: 1.0 X-Received: by 10.107.16.18 with SMTP id y18mr39247920ioi.113.1448491513697; Wed, 25 Nov 2015 14:45:13 -0800 (PST) Received: by 10.107.170.102 with HTTP; Wed, 25 Nov 2015 14:45:13 -0800 (PST) In-Reply-To: References: <20151120155511.5fb0f3b07228a0c829fa223f@neosystem.org> <20151120163431.3449a473db9de23576d3a4b4@neosystem.org> <20151121212043.GC2307@vega.codepro.be> <20151122130240.165a50286cbaa9288ffc063b@neosystem.cz> <20151125092145.e93151af70085c2b3393f149@neosystem.cz> <20151125122033.GB41119@in-addr.com> <20151125141626.6f9579478e1b9d0eb1d4a84f@neosystem.cz> Date: Wed, 25 Nov 2015 17:45:13 -0500 Message-ID: Subject: Re: Outgoing packets being sent via wrong interface From: Ryan Stone To: Kevin Oberman Cc: Daniel Bilik , "freebsd-net@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 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, 25 Nov 2015 22:45:14 -0000 An easier way to block ICMP redirects would be to set the sysctl: sysctl net.inet.icmp.drop_redirect=1