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Date:      Sun, 16 Jan 2000 12:40:23 -0800
From:      "Brian Gallucci" <briang@expnet.net>
To:        "Omachonu Ogali" <oogali@intranova.net>, "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net>
Cc:        "FreeBSD" <freebsd-questions@FreeBSD.ORG>, <ipfw@FreeBSD.ORG>
Subject:   Re: Hmmm
Message-ID:  <004501bf6061$e9c41820$095aaed8@expnet.net>
References:  <Pine.BSF.4.10.10001161220420.78224-100000@hydrant.intranova.net>

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No it's connected to a Cisco 5500 switch.

Thanks
-Brian

----- Original Message -----
From: Omachonu Ogali <oogali@intranova.net>
To: Rodney W. Grimes <freebsd@gndrsh.dnsmgr.net>
Cc: Brian Gallucci <briang@expnet.net>; FreeBSD
<freebsd-questions@FreeBSD.ORG>; <ipfw@FreeBSD.ORG>
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
> >
>
>



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