From owner-freebsd-questions@FreeBSD.ORG Wed Apr 30 14:00:46 2003 Return-Path: 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 3C06237B401 for ; Wed, 30 Apr 2003 14:00:46 -0700 (PDT) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7205643FA3 for ; Wed, 30 Apr 2003 14:00:43 -0700 (PDT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.9/8.12.9) id h3UL0gpR095388; Wed, 30 Apr 2003 16:00:42 -0500 (CDT) (envelope-from dan) Date: Wed, 30 Apr 2003 16:00:42 -0500 From: Dan Nelson To: Grant Peel Message-ID: <20030430210042.GD90046@dan.emsphone.com> References: <003501c30f5a$c1420af0$6601a8c0@grant> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <003501c30f5a$c1420af0$6601a8c0@grant> X-OS: FreeBSD 5.0-CURRENT X-message-flag: Outlook Error User-Agent: Mutt/1.5.4i cc: freebsd-questions@freebsd.org Subject: Re: FTP anon attack? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Apr 2003 21:00:46 -0000 In the last episode (Apr 30), Grant Peel said: > I have recently commissioned a new server in which anon ftp will be > included with each new domain we add. > > I have noticed some flaky numbered files being uploaded to the > incoming dir. I have been looking around to see if this is a virus > that matches or if this is some kind of DoS attack or what. These > files are defineatley bianary and are always about the same size. > (about 1 mb). Probably warez of some sort. Make sure that anonymous uploads are not readable by anonymous downloaders (I know wu-ftpd can do that easily), and they'll stop soon enough :) -- Dan Nelson dnelson@allantgroup.com