From owner-freebsd-security Thu Jul 18 11: 3:40 2002 Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8953137B400 for ; Thu, 18 Jul 2002 11:03:37 -0700 (PDT) Received: from hotmail.com (oe23.law7.hotmail.com [216.33.236.243]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4143643E31 for ; Thu, 18 Jul 2002 11:03:37 -0700 (PDT) (envelope-from elerrordlmilenio@hotmail.com) Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Thu, 18 Jul 2002 11:03:37 -0700 X-Originating-IP: [196.40.43.74] From: "El Error del Milenio" To: "Klaus Steden" , References: <20020711170957.U318-100000@gabba.so.cpt1.za.uu.net> <20020711153708.GF25321@straylight.oblivion.bg> <20020717151429.J48097@cthulu.compt.com> Subject: Re: Weird messages reported by kernel ... Date: Thu, 18 Jul 2002 12:03:59 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4807.1700 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4807.1700 Message-ID: X-OriginalArrivalTime: 18 Jul 2002 18:03:37.0229 (UTC) FILETIME=[7078D3D0:01C22E85] Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org This days, I've been receiving: > Jul 8 07:18:12 bella sendmail[22540]: g68DI7X22540: SYSERR: putoutmsg ([212.163.66.50]): error on output channel sending "220 bella.ghp.co.cr ESMTP server ready": Broken pipe I dont understand why. ----- Original Message ----- From: "Klaus Steden" To: Sent: Wednesday, July 17, 2002 1:14 PM Subject: Weird messages reported by kernel ... > Hi there, > > I've noticed a couple of messages show up in my daily reports from our DMZ > mail server that I can't explain, and I'm wondering if they indicate some > attempted exploit. Specifically ... > > Jul 16 18:52:36 cthulu sendmail[1067]: g6GMqah01067: SYSERR: putoutmsg (CPE014140013297.cpe.net.cable.rogers.com): error on output channel sending "500 5.5.1 Command unrecognized: "Content-Type: text/html;"": Broken pipe > Jul 16 21:56:21 cthulu sendmail[3984]: g6H1uLh03984: SYSERR: putoutmsg (adsl-66-124-102-179.dsl.mtry01.pacbell.net): error on output channel sending "500 5.5.1 Command unrecognized: "Content-Type: text/html;"": Broken pipe > > Anyone seen this before? Anyone have an inkling as to what it is, besides > someone not understanding SMTP? > > cheers, > Klaus > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-security" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message