From owner-freebsd-questions Sun Jan 16 12:26:34 2000 Delivered-To: freebsd-questions@freebsd.org Received: from expnet.net (mail.expnet.net [216.174.90.22]) by hub.freebsd.org (Postfix) with ESMTP id A6F0415102; Sun, 16 Jan 2000 12:26:25 -0800 (PST) (envelope-from briang@expnet.net) Received: from briangdesktop [216.174.90.9] by expnet.net (SMTPD32-5.08) id AC93F42E029C; Sun, 16 Jan 2000 12:39:47 -0800 Message-ID: <004501bf6061$e9c41820$095aaed8@expnet.net> Reply-To: "Brian Gallucci" From: "Brian Gallucci" To: "Omachonu Ogali" , "Rodney W. Grimes" Cc: "FreeBSD" , References: Subject: Re: Hmmm Date: Sun, 16 Jan 2000 12:40:23 -0800 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 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG No it's connected to a Cisco 5500 switch. Thanks -Brian ----- Original Message ----- From: Omachonu Ogali To: Rodney W. Grimes Cc: Brian Gallucci ; FreeBSD ; Sent: Sunday, January 16, 2000 9:21 AM Subject: Re: Hmmm > Windows isn't that retarded, it doesn't send incorrect IP headers out onto > the wire. Is your router connected to a hub at your ISP/uplink? > > Omachonu Ogali > Intranova Networking Group > > On Fri, 14 Jan 2000, Rodney W. Grimes wrote: > > > > If you're connected to a hub then that means someone else on that hub has > > > address space in that area, otherwise, something's barfing on you. > > > > It's just windblows braindamage, it likes to send netbios IP traffic > > to really strange IP addresses using really strange source addresses > > some times. > > > > Easy fix is to drop all any 138 to any 138, and any 137 to any 137, > > unless your fool enough to want to run netbios over the internet, > > in which case you'll have to allow some specifc IP's to work. > > > > > > > > Omachonu Ogali > > > Intranova Networking Group > > > > > > On Thu, 13 Jan 2000, Brian Gallucci wrote: > > > > > > > This is really weird -> > > > > > > > > ipfw: 1800 Deny UDP 216.174.91.28:138 216.174.91.31:138 in via xl0 > > > > ipfw: 1800 Deny UDP 216.174.91.28:138 216.174.91.31:138 in via xl0 > > > > ipfw: 1800 Deny UDP 216.174.91.28:138 216.174.91.31:138 in via xl0 > > > > ipfw: 1800 Deny UDP 216.174.91.28:138 216.174.91.31:138 in via xl0 > > > > ipfw: 1800 Deny UDP 216.174.91.28:137 216.174.91.31:137 in via xl0 > > > > ipfw: 1800 Deny UDP 216.174.91.28:137 216.174.91.31:137 in via xl0 > > > > ipfw: 1800 Deny UDP 216.174.91.28:137 216.174.91.31:137 in via xl0 > > > > ipfw: 1800 Deny UDP 216.174.91.28:137 216.174.91.31:137 in via xl0 > > > > ipfw: 1800 Deny UDP 216.174.91.28:138 216.174.91.31:138 in via xl0 > > > > > > > > We don't own any address space on 216.174.91.0 at all !! > > > > > > > > Can someone tell what this means ??? Am I missing something.. > > > > > > > > I think it should look something like - > > > > > > > > > ipfw: 1800 Deny UDP " OUR ADDRESS ":138 216.174.91.31:138 in via xl0 > > > > ipfw: 1800 Deny UDP " OUR ADDRESS ":138 216.174.91.31:138 in via xl0 > > > > > > > > Thanks > > > > -Brian > > > > > > > > > > > > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > > > with "unsubscribe freebsd-ipfw" in the body of the message > > > > > > > > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > > with "unsubscribe freebsd-ipfw" in the body of the message > > > > > > > > > -- > > Rod Grimes - KD7CAX @ CN85sl - (RWG25) rgrimes@gndrsh.dnsmgr.net > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message