From owner-freebsd-stable Fri Jan 28 0:52:16 2000 Delivered-To: freebsd-stable@freebsd.org Received: from alpha.dgweb.com (alpha.dgweb.com [207.218.73.252]) by hub.freebsd.org (Postfix) with ESMTP id DD484158E1 for ; Fri, 28 Jan 2000 00:52:02 -0800 (PST) (envelope-from kuzak@kuzak.net) Received: from kuzak (killer@sac1-2.dgweb.com [207.218.73.2]) by alpha.dgweb.com (8.10.0.Beta10/8.10.0Beta10) with SMTP id e0S8lqw78870; Fri, 28 Jan 2000 00:47:53 -0800 (PST) Message-Id: <200001280847.e0S8lqw78870@alpha.dgweb.com> X-Sender: kuzak@mail.kuzak.net X-Mailer: QUALCOMM Windows Eudora Pro Version 4.0 Date: Fri, 28 Jan 2000 00:38:58 -0800 To: "Rodney W. Grimes" From: Kuzak Subject: Re: Odd DoS Cc: freebsd-stable@freebsd.org In-Reply-To: <200001280822.AAA80458@gndrsh.dnsmgr.net> References: <3891177C.5CA59D6E@nisser.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG The ip is not aliased on my server, nor is it routed to it.. After examining the problem further, it looks like the NIC went down due to the dos attack and needed to be reinitialized.. not sure why that is since the attack was only in the range of 6mbps. -Aric At 12:22 AM 1/28/00 -0800, you wrote: >[Charset iso-8859-1 unsupported, filtering to ASCII...] >> Kuzak wrote: >> > >> > I upgraded this server to 3.4-STABLE about a week ago after >> > a long run with 3.2.. Last night it seems to have spontaniously >> > started coughing up this error. The error seems to coinside >> > ... >> > Jan 26 16:08:22 ai /kernel: arplookup 205.134.161.2 failed: host is not on >> > local network >> > Jan 26 16:09:05 ai last message repeated 91 times >> > Jan 26 16:12:00 ai last message repeated 4 times >> >> I get like errors but in my case I blame it on an aliassed IP that >> is on a different subnet than the primary IP is. Have had it for >> months now and it's not really detrimental to the health of your >> system. Annoying, to be sure. But other than that is merely renders >> dmesg useless and can occasionally cause file table overruns. However >> nothing critical that I've noticed. > >Fix your netmask on your alias and these will go away. If your >using an IP address as an alias it should have a netmask of 0xffffffff. > >-- >Rod Grimes - KD7CAX @ CN85sl - (RWG25) rgrimes@gndrsh.dnsmgr.net > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message