From owner-freebsd-ipfw Sun Jan 16 9:24: 5 2000 Delivered-To: freebsd-ipfw@freebsd.org Received: from intranova.net (blacklisted.intranova.net [209.3.31.70]) by hub.freebsd.org (Postfix) with SMTP id 4BDDF14F09 for ; Sun, 16 Jan 2000 09:24:00 -0800 (PST) (envelope-from oogali@intranova.net) Received: (qmail 90625 invoked from network); 16 Jan 2000 12:26:07 -0000 Received: from hydrant.intranova.net (user86987@209.201.95.10) by blacklisted.intranova.net with SMTP; 16 Jan 2000 12:26:07 -0000 Date: Sun, 16 Jan 2000 12:21:19 -0500 (EST) From: Omachonu Ogali To: "Rodney W. Grimes" Cc: Brian Gallucci , FreeBSD , ipfw@FreeBSD.ORG Subject: Re: Hmmm In-Reply-To: <200001141735.JAA36120@gndrsh.dnsmgr.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-ipfw@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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-ipfw" in the body of the message