From owner-freebsd-questions@FreeBSD.ORG Fri May 30 19:16:14 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 958E437B401 for ; Fri, 30 May 2003 19:16:14 -0700 (PDT) Received: from mtiwmhc11.worldnet.att.net (mtiwmhc11.worldnet.att.net [204.127.131.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9B8E743FB1 for ; Fri, 30 May 2003 19:16:13 -0700 (PDT) (envelope-from t.zim@att.net) Received: from att.net (118.knoxville-03-04rs.tn.dial-access.att.net[12.93.209.118]) by mtiwmhc11.worldnet.att.net (mtiwmhc11) with SMTP id <2003053102161111100h1fmhe>; Sat, 31 May 2003 02:16:11 +0000 Message-ID: <3ED81045.9020304@att.net> Date: Fri, 30 May 2003 22:15:33 -0400 From: Todd Zimmermann User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.3) Gecko/20030421 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <3ED6BA5A.3000904@att.net> <44fzmwuksn.fsf@be-well.ilk.org> In-Reply-To: <44fzmwuksn.fsf@be-well.ilk.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: General DDOS curiousity 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: Sat, 31 May 2003 02:16:14 -0000 Lowell Gilbert wrote: > Todd Zimmermann writes: > > >>This isn't so much a question as a curiosity I noticed tonight. >> >>I have a dialup account with att.net & get a dynamic ip in the 12.93 >>block. While logging in tonight and initializing ipfilter, I noticed >>7 blocked input packets right away. No big deal, but I checked my >>log. Each packet was from a diff ip, but all to port 41170 UDP... >> >>Now I'm up to 501 blocked packets, unique ips but same port. I've >>logged into scans before, but nothing like this. > > Sounds like one packet per second or less. If that's supposed to be a > DDOS, it isn't much of one. More likely, the previous holder of the > address was running some kind of server, maybe a node in a > peer-to-peer system. > > >Jeremy Faulkner wrote: > >>41170 is used by Piolet, a peer-to-peer file transfer program. Yeah I guess DDOS wasn't the best choice of words. When I logged out and grabbed another ip it disappeared. Thanks for answering my question. I get too excited over log events sometimes :) - Todd