Received: by 2002:a05:7412:98c1:b0:fa:551:50a7 with SMTP id kc1csp1271734rdb; Sun, 7 Jan 2024 11:27:42 -0800 (PST) X-Google-Smtp-Source: AGHT+IETlVPo9Hb+8rLk+6ZwKqecFpbr14CqJl9D2zcdTlQbxTID5/xuj1ZtbgneL0LfyA6XU6fl X-Received: by 2002:a17:906:b208:b0:a28:c39b:3d0d with SMTP id p8-20020a170906b20800b00a28c39b3d0dmr536681ejz.218.1704655662667; Sun, 07 Jan 2024 11:27:42 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1704655662; cv=none; d=google.com; s=arc-20160816; b=SK5go7Z2AarC84gdLuaBP23DL3YcHqJ5FxzLu0vqXePFoh1/LRr2gF82GIvLdU6nCo NbwhaJM8IfOnG4kBOFULYpKK2/zVqXFV4cvsAlZYl1EIeSeY/CI7eo56vnC/4MstCJ8g GiAziFN4GyNgzOMEK8ViX0Tgc95Gf7B/GrPKTAGBESnCJvdCV+gP+tnqmEyMHZHAxIkD f0s8RpfflHQr9enn0GDO/UIHihmcoiZFVtYYRHXj+Mnc3QLWvg2WvR/pCfXW6rrVMS5v cluVO18li1fQfC68/slgnua5kM3Fn2C1kdsY/ZvBKz9RKOSUMLKh1wh2Qx7c9F6E7u1e lCXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:list-unsubscribe:list-subscribe:list-id:precedence :references:message-id:in-reply-to:subject:cc:to:from:date :dkim-signature:dkim-signature:dkim-signature; bh=rmQJjEhWMY+tYzgMK5HnZv6TWvOnuPe8JnejlKdQzqU=; fh=rPQjwn/qe8EDONcApRjQP/HzxiBlrNoBVDG2n544Gd0=; b=xY8mOygDKDogUZze3RgdeL5FAy/9isZQZqADQ639Ms3IcengFvIbM6MNGz0bRJlQTJ VKOLDiRVr/sLFuT6hVYpAa8e2EJSLc6w0MmrMPr6eDOKzV2SDmtFZCWm5FjM2Wf3ftmT kWvsHLHXvqXB1qJTNwA/7cJbjlSsgaKg2JZmZQj7dlngLBtn1DZKqb6w/d09HJlUbi3g UcnBGEJ8ZVoU9m15YoU5ujbfv7tUkqxu+/4cQ/1E9YUh7GGXDO8at3UKf1YEAaqDyKcF Csmxxl0CTXEgLSqIxYXDYsasboLOTwnc7C7FUDJ8/Z7W7n6PvyaAxJbkq9Ba1KhWbYHc BXaw== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (no key) header.i=@nerdbynature.de header.s=key1; dkim=neutral (no key) header.i=@nerdbynature.de header.s=dkim; dkim=pass header.i=@nerdbynature.de header.s=key0 header.b=fQAHzeaR; spf=pass (google.com: domain of linux-kernel+bounces-18964-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-18964-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nerdbynature.de Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249]) by mx.google.com with ESMTPS id gv13-20020a170906f10d00b00a2861e7aec4si2562635ejb.191.2024.01.07.11.27.42 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jan 2024 11:27:42 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-18964-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=neutral (no key) header.i=@nerdbynature.de header.s=key1; dkim=neutral (no key) header.i=@nerdbynature.de header.s=dkim; dkim=pass header.i=@nerdbynature.de header.s=key0 header.b=fQAHzeaR; spf=pass (google.com: domain of linux-kernel+bounces-18964-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-18964-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nerdbynature.de Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 3E27B1F2137A for ; Sun, 7 Jan 2024 19:27:42 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 76A961119F; Sun, 7 Jan 2024 19:27:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=permerror (0-bit key) header.d=nerdbynature.de header.i=@nerdbynature.de header.b="5/zHpgcH"; dkim=permerror (0-bit key) header.d=nerdbynature.de header.i=@nerdbynature.de header.b="nF2yXHd2"; dkim=pass (2048-bit key) header.d=nerdbynature.de header.i=@nerdbynature.de header.b="fQAHzeaR" X-Original-To: linux-kernel@vger.kernel.org Received: from trent.utfs.org (trent.utfs.org [94.185.90.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C9D210A2A; Sun, 7 Jan 2024 19:27:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nerdbynature.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nerdbynature.de DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/simple; d=nerdbynature.de; i=@nerdbynature.de; q=dns/txt; s=key1; t=1704655636; h=date : from : to : cc : subject : in-reply-to : message-id : references : mime-version : content-type : from; bh=BvIoYb/Fn5HQPIN8rIurDtiMGDlWrRB9nG1WDbCuGZ8=; b=5/zHpgcHmNmU4ARFrdNiIbEBaMdr2LKfIMwQ/YnTCR4Yw6LNoneY4R6ZQ3RWF3fPsKG5y e5xZDHMrbwRLb5pAg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=nerdbynature.de; s=dkim; t=1704655636; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=rmQJjEhWMY+tYzgMK5HnZv6TWvOnuPe8JnejlKdQzqU=; b=nF2yXHd2EIy7JsJdxgMDTiXl7PAlF9Rz0f5vnWKIxk7eo3P1tHkr6rg7zy4v+3FbMOA3nk VrcDHSDigm9+vLBg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nerdbynature.de; i=@nerdbynature.de; q=dns/txt; s=key0; t=1704655636; h=date : from : to : cc : subject : in-reply-to : message-id : references : mime-version : content-type : from; bh=BvIoYb/Fn5HQPIN8rIurDtiMGDlWrRB9nG1WDbCuGZ8=; b=fQAHzeaR9TdD0eU4cy0QQwcGqQlm0W8s3DGhE2/Ixnl3K7f2LufEOZzeGtFYbhhak86IL aH5E0hzUx7TzLzunDzmQRLazzPd3+OVubewyeTcSQIF4yCyHnOFKNkFY8x61HnKECbGScRZ Pf4Ow/ITcBIsZJa9KOv4Dbuk58wlI/B8dkVO7BH29mA+VjLgFTY4Rhr4dQTievtJRnUku6O PqCIk5bQB9k3tXMtzaCGHgeWTyiwX7h1PTUzHm33fpQBw6hUJw0kQhYp2U12m1OTNbawVxM uHQ1+ssk1cDfqNNC6Az1sP+fS26pGAqqEWEAwNJ9hiwg3DthawnMy8fjnzwA== Received: from localhost (localhost [IPv6:::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by trent.utfs.org (Postfix) with ESMTPS id 389755FFAF; Sun, 7 Jan 2024 20:27:16 +0100 (CET) Date: Sun, 7 Jan 2024 20:27:16 +0100 (CET) From: Christian Kujau To: Dmitry Safonov cc: netdev@vger.kernel.org, Dmitry Safonov <0x7f454c46@gmail.com>, Francesco Ruggeri , Salam Noureddine , David Ahern , linux-kernel@vger.kernel.org Subject: Re: syslog spam: TCP segment has incorrect auth options set In-Reply-To: <491b1b19-f719-1aa6-7757-ba4168228bbd@nerdbynature.de> Message-ID: <65ad94ae-36a9-f128-ea45-26772772ba31@nerdbynature.de> References: <491b1b19-f719-1aa6-7757-ba4168228bbd@nerdbynature.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii On Thu, 4 Jan 2024, Christian Kujau wrote: > On Thu, 4 Jan 2024, Dmitry Safonov wrote: > > Yeah, I guess it's possible to down the severity of these logs, but may > > be unexpected by admins: TCP-MD5 messages existed for long time and > > there may be userspace that expects them (i.e. in arista there are tests > > that look for these specific messages - those would be easy to fix, but > > there may be others outside this company). > > Understood, thanks for explaining that. > > > While thinking on the origin of your issue, it seems that the logs > > produced by either TCP-MD5 or TCP-AO are desired by a user when they > > add/use the authentication. Could you try this and see if that solves > > the issue for you? > > Thanks for preparing that patch so quickly, did not expect that :-) > > I've applied this on top of 6.7.0-rc8 and will report back if I see those > messages again in the next days. No messages so far, great! Tested-by: Christian Kujau Thanks again for fixing this so quickly, Christian. -- BOFH excuse #323: Your processor has processed too many instructions. Turn it off immediately, do not type any commands!!