From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 95F69138330 for ; Fri, 30 Sep 2016 11:17:37 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 3F1C5E08C5; Fri, 30 Sep 2016 11:17:31 +0000 (UTC) Received: from mail-qt0-f174.google.com (mail-qt0-f174.google.com [209.85.216.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id ED3FFE0853 for ; Fri, 30 Sep 2016 11:17:30 +0000 (UTC) Received: by mail-qt0-f174.google.com with SMTP id 38so50023435qte.1 for ; Fri, 30 Sep 2016 04:17:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=I6PykOvJ5HRM/ImHEKBOsXAMBT+8G1cEpEB/0yTo/mU=; b=sGz2V29WO7+d6f6+2ZRlsL4aXGRoTlmq6GvsfWAqWM8f04DMTwgYP6An+wwuLakMAr 2l/3tba9CFo/MxOHrfwX7+w7rc3jrMpG4q8k4p6TeOo+ngd/pylRCKehImpHy2F3e0DP fNi7NVH1xvW7M4bAKW3mbxpY/lYa/JA1SH8YEMaxj6q8MCKb7ma9NOWTl0Dz8DLIrGew MMSqcnYzdMFZe0UnRjQn9ovqGTw48j1cK44fNWNuq0H8SonNnVQaCh/wPEOQz1Lmw9e7 goBAYQrB6fSXh3eWfsWikIdRO9uqttvr3m/kVOv1F8JBGP8RmX8aMQye4rn0+MjTmT67 e8sg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=I6PykOvJ5HRM/ImHEKBOsXAMBT+8G1cEpEB/0yTo/mU=; b=nEywVfLT4sFcDjEQLspJfPT8xXzNt3xH/FGz/5VcTjNlfGy0CMEwLeyepa5rREzjBc qTwG2HLwRtFnxlIiYrsmNUbuxGFpuDtIR0VQFHIkRU5sWwsUkFe1qb5+KMe3moauP3mY NfvOYTvVnvgISvZS6m0Rh/wbXeK54tPfGy1MWcmXETVYuK4slOZF8bjQvxEtR5T7iG5Y WnrPtaBRLK/BIQh8199s9anuyZC8OAqrKqjtStdXORvztZO/dY4g+1u9FqGTqoFbfKWm SuuH9DsC+/jvUkNXtBf4umPcMXfDLM+XuErqO7eJKoI25/1AeAMcJCMk0txdSvl4/zaF ae1w== X-Gm-Message-State: AA6/9RltnX9Oml/a68WBcCshafG1RJ9QN+RWMERq1lDQkJ7N6qNedb4bIam3Ni/iqWD8FoOqq/F6qLzTxoSwPg== X-Received: by 10.237.32.108 with SMTP id 99mr6393878qta.17.1475234249952; Fri, 30 Sep 2016 04:17:29 -0700 (PDT) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.140.38.179 with HTTP; Fri, 30 Sep 2016 04:17:29 -0700 (PDT) In-Reply-To: <533CB5C3-8FCC-44EE-9B25-7D8A18925822@antarean.org> References: <533CB5C3-8FCC-44EE-9B25-7D8A18925822@antarean.org> From: Grant Date: Fri, 30 Sep 2016 04:17:29 -0700 Message-ID: Subject: Re: [gentoo-user] {OT} Mystery network traffic To: Gentoo mailing list Content-Type: text/plain; charset=UTF-8 X-Archives-Salt: 6a24bc9d-7b93-4fad-a28b-083ea7efc424 X-Archives-Hash: 01c46057ab2d4a949299edaf0c2ca91a >>I was watching cbm on one of my machines and it showed a lot more >>traffic going in and out over lo than over both of the two real >>interfaces. Is that normal? One of those two real interfaces is >>completely unused and shows zeros in cbm all the time. >> >>- Grant > > Yes, I would consider this normal. > > What is running on that machine? > > 'lo' is used for all traffic between localhost and localhost. > > IOW, all internal communications, like apache talking to the database if both running on the same host. > Or postfix to amavis to postfix before mail gets delivered. I had no idea. Thank you Joost. - Grant