From owner-freebsd-questions@FreeBSD.ORG  Thu Dec  2 12:48:40 2004
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 150F916A4CE
	for <freebsd-questions@freebsd.org>;
	Thu,  2 Dec 2004 12:48:40 +0000 (GMT)
Received: from cactus.fi.uba.ar (cactus.fi.uba.ar [157.92.49.108])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 508AD43D5D
	for <freebsd-questions@freebsd.org>;
	Thu,  2 Dec 2004 12:48:39 +0000 (GMT)
	(envelope-from fgleiser@cactus.fi.uba.ar)
Received: from localhost (localhost [127.0.0.1])
	by cactus.fi.uba.ar (8.12.11/8.12.11) with ESMTP id iB2Cop9F098310;
	Thu, 2 Dec 2004 09:50:51 -0300 (ART)
	(envelope-from fgleiser@cactus.fi.uba.ar)
Date: Thu, 2 Dec 2004 09:50:51 -0300 (ART)
From: Fernando Gleiser <fgleiser@cactus.fi.uba.ar>
To: Jonathon McKitrick <jcm@FreeBSD-uk.eu.org>
In-Reply-To: <20041202123606.GA50028@dogma.freebsd-uk.eu.org>
Message-ID: <20041202094853.Q66254@cactus.fi.uba.ar>
References: <20041202123606.GA50028@dogma.freebsd-uk.eu.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-Spam-Score: -104.901 () BAYES_00,USER_IN_WHITELIST
X-Scanned-By: MIMEDefang 2.42
cc: freebsd-questions@freebsd.org
Subject: Re: Why these connections from 127.0.0.1?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 02 Dec 2004 12:48:40 -0000

On Thu, 2 Dec 2004, Jonathon McKitrick wrote:

>
> I'm trying to figure out why these messages are showing up:
>
> neptune kernel log messages:
> > Connection attempt to TCP 127.0.0.1:113 from 127.0.0.1:3746 flags:0x02
> > Connection attempt to TCP 127.0.0.1:113 from 127.0.0.1:2058 flags:0x02
> > Connection attempt to UDP 127.0.0.1:512 from 127.0.0.1:4293
> > Connection attempt to UDP 127.0.0.1:512 from 127.0.0.1:4864
> > Connection attempt to TCP 127.0.0.1:113 from 127.0.0.1:1972 flags:0x02
> > Connection attempt to UDP 127.0.0.1:512 from 127.0.0.1:3859
>
> I thought my firewall was allowing loopback traffic.

They look like "log in vain" entries. to you have log in vain enabled?

113/tcp is identd and 512/udp is biff. My guess is your mail system is
generating those requests and log in vain logs them.


			Fer