From owner-freebsd-isp Wed Sep 19 20: 6:20 2001 Delivered-To: freebsd-isp@freebsd.org Received: from pendragon.tacni.net (mail.tacni.net [216.178.136.165]) by hub.freebsd.org (Postfix) with SMTP id 73D0037B4CF for ; Wed, 19 Sep 2001 20:06:10 -0700 (PDT) Received: (qmail 94963 invoked by alias); 20 Sep 2001 03:06:09 -0000 Received: from unknown (HELO tacni.com) (216.201.173.186) by pendragon.tacni.net with SMTP; 20 Sep 2001 03:06:09 -0000 Message-ID: <3BA95D24.B5B737B9@tacni.com> Date: Wed, 19 Sep 2001 22:06:12 -0500 From: Tom ONeil Organization: Texas American Communications Network Inc. X-Mailer: Mozilla 4.77 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: Free Subject: EMERGENCY - Arp attack? Am I being DOS'd ? Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Network guy on vacation, pls help if you can. Having major problems w/ my router getting overloaded. See below - BTW - gw is my router. # tcpdump -p | grep " arp " tcpdump: listening on rl0 22:04:43.323267 arp who-has 216.178.158.211 tell router-216-178-158-1.tacni.net 22:04:43.398803 arp who-has 209.251.183.1 (Broadcast) tell 209.251.183.12 22:04:43.473615 arp who-has 216-178-189-15.tacni.net tell router-216-178-189-1.tacni.net 22:04:43.623222 arp who-has 216.178.155.95 tell gw 22:04:43.636589 arp who-has 216.178.188.168 tell gw 22:04:43.679175 arp who-has 216.178.136.88 tell gw 22:04:43.684980 arp who-has 216.178.135.108 tell gw 22:04:43.758496 arp who-has 209.251.183.42 tell gw 22:04:43.793178 arp who-has 216.178.155.158 tell gw 22:04:43.832945 arp who-has 216-178-189-22.tacni.net tell router-216-178-189-1.tacni.net 22:04:43.947669 arp who-has 216.178.155.26 tell gw 22:04:43.989166 arp who-has 209.251.183.163 tell gw 22:04:44.102455 arp who-has 209.251.183.1 tell 209.251.183.225 22:04:44.279331 arp who-has 216.178.155.78 tell gw 22:04:44.391065 arp who-has 209.251.183.1 (Broadcast) tell 209.251.183.12 22:04:44.666819 arp who-has 216.178.135.202 tell gw 22:04:44.824443 arp who-has 216.178.155.92 tell gw 22:04:44.977537 arp who-has 216.178.154.141 tell gw 22:04:45.070651 arp who-has 216.178.136.2 tell gw 22:04:45.116522 arp who-has 216.178.156.42 tell gw 22:04:45.116901 arp who-has 209.251.183.1 tell 209.251.183.225 22:04:45.296852 arp who-has 216.178.135.31 tell gw 22:04:45.391056 arp who-has 209.251.183.1 (Broadcast) tell 209.251.183.12 22:04:45.558506 arp who-has 216.178.188.1 tell 216.178.188.14 -- Thomas J. ONeil tom.oneil@tacni.com http://www.tacni.net "National Power, Local Presence" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message