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From: "Bas Bloemsaat" <bloemsaa@xs4all.nl>
To: <hadi@cyberus.ca>, "David S. Miller" <davem@redhat.com>
Cc: "Stephan von Krawczynski" <skraw@ithnet.com>, <willy@w.ods.org>,
	<alan@lxorguk.ukuu.org.uk>, <carlosev@newipnet.com>,
	<lamont@scriptkiddie.org>, <davidsen@tmr.com>,
	<marcelo@conectiva.com.br>, <netdev@oss.sgi.com>,
	<linux-net@vger.kernel.org>, <layes@loran.com>,
	<torvalds@osdl.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [2.4 PATCH] bugfix: ARP respond on all devices
Date: Wed, 20 Aug 2003 08:55:15 +0200	[thread overview]
Message-ID: <005201c366e8$0a422a20$c801a8c0@llewella> (raw)
In-Reply-To: 1061213027.16017.2220.camel@jzny.localdomain

> > Under Linux, by default, IP addresses are owned by the system
> > not by interfaces.
>
> Folks, the above is the punch line. I am just going over all emails on
> this thread and i see this point being missed.
> People are quoting tons of RFCs while the really important point being
> missed is the above line.

If that is true, then source routing would not work either: it would just
route it back to the host, select the next hop, and choose based on
destination routing tables. There would be no way to know which IP address
is bound to which interface.
If that is true, then then having multiple network interfaces on a segment
would in effect mean that you have one IP address on multiple interfaces. As
Alan mentioned that is an illegal configuration.
If that is true, seperation of firewall interfaces is impossible.

All of which isn't the case.

I'll let it rest for now. I don't think quoting rfc's, pointing out that it
doesn't confirm to any reference implementation of IP, or any argument are
going to help. This is not a case where technical merits win. This is
politics. I don't care anymore.

Regards,
Bas




  parent reply	other threads:[~2003-08-20  6:55 UTC|newest]

Thread overview: 168+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-27 20:52 [2.4 PATCH] bugfix: ARP respond on all devices Bas Bloemsaat
2003-07-27 22:12 ` David S. Miller
2003-07-28  2:31   ` Ben Greear
2003-07-28  7:33     ` Bas Bloemsaat
2003-07-27 23:40 ` Carlos Velasco
2003-07-27 23:46   ` David S. Miller
2003-07-27 23:58     ` Carlos Velasco
2003-07-27 23:58       ` David S. Miller
2003-07-28  0:11         ` Carlos Velasco
2003-07-28  0:14           ` David S. Miller
2003-07-28  0:35             ` Carlos Velasco
2003-07-28  0:36               ` David S. Miller
2003-07-28  0:53                 ` Carlos Velasco
2003-07-28  0:55                   ` David S. Miller
2003-07-28  1:23                     ` Carlos Velasco
2003-07-28  1:35                       ` David S. Miller
2003-07-28 10:43                         ` Carlos Velasco
2003-07-28 17:09                           ` Phil Oester
2003-07-28 18:56                             ` Bas Bloemsaat
2003-07-28  4:37                     ` David Lang
2003-07-28  4:39                       ` David S. Miller
2003-07-28 10:49                       ` Carlos Velasco
2003-07-28  0:57           ` Assorted 2.6.0-test2 build warnings J.C. Wren
2003-07-28 22:11             ` Randy.Dunlap
2003-07-29 10:42               ` Adrian Bunk
2003-07-29  2:51     ` [2.4 PATCH] bugfix: ARP respond on all devices Bill Davidsen
2003-07-29  4:48       ` Lamont Granquist
2003-08-04  6:10         ` Pekka Savola
2003-08-17 13:09         ` Carlos Velasco
2003-08-17 13:16           ` Carlos Velasco
2003-08-17 13:41             ` Alan Cox
2003-08-17 13:55               ` Carlos Velasco
2003-08-17 15:12                 ` Bernd Eckenfels
2003-08-17 15:28                 ` Alan Cox
2003-08-17 15:57                   ` Bas Bloemsaat
2003-08-17 15:59                   ` Carlos Velasco
2003-08-17 16:26                     ` Alan Cox
2003-08-17 16:27                       ` Carlos Velasco
2003-08-17 17:24                         ` Alan Cox
2003-08-17 22:48                           ` Willy Tarreau
2003-08-18  5:22                             ` David S. Miller
2003-08-18  6:56                               ` Willy Tarreau
2003-08-18  7:01                                 ` David S. Miller
2003-08-18  7:29                                   ` Willy Tarreau
2003-08-18  7:43                                     ` Willy Tarreau
2003-08-18  5:31                             ` David S. Miller
2003-08-18 11:39                               ` Stephan von Krawczynski
2003-08-18 11:44                                 ` David S. Miller
2003-08-18 12:34                                   ` Stephan von Krawczynski
2003-08-18 12:30                                     ` David S. Miller
2003-08-18 12:51                                       ` Mr. James W. Laferriere
2003-08-18 12:53                                       ` Stephan von Krawczynski
2003-08-18 12:55                                         ` David S. Miller
2003-08-18 13:17                                           ` Stephan von Krawczynski
2003-08-18 13:14                                             ` David S. Miller
2003-08-18 14:23                                               ` Stephan von Krawczynski
2003-08-18 14:19                                                 ` David S. Miller
2003-08-18 15:46                                                   ` Stephan von Krawczynski
2003-08-18 13:23                                           ` jamal
2003-08-18 13:21                                             ` David S. Miller
2003-08-18 13:40                                               ` Stephan von Krawczynski
2003-08-20  6:55                                             ` Bas Bloemsaat [this message]
2003-08-18 21:54                                       ` Bill Davidsen
2003-08-18 13:40                                     ` Dominik Kubla
2003-08-18 12:51                                   ` Willy Tarreau
2003-08-18 12:53                                     ` David S. Miller
2003-08-18 14:28                                       ` Willy Tarreau
2003-08-18 14:28                                         ` David S. Miller
2003-08-18 12:08                                 ` Bas Bloemsaat
2003-08-18 12:03                                   ` David S. Miller
2003-08-18 21:32                               ` Bill Davidsen
2003-08-19  3:21                                 ` Ben Greear
2003-08-19 15:22                                   ` David S. Miller
2003-08-19  7:58                                 ` Bas Bloemsaat
2003-08-18 15:49                         ` SRC IP selection in ARP request (Was: bugfix: ARP respond on all devices) Vladimir B. Savkin
2003-08-17 16:51                     ` [2.4 PATCH] bugfix: ARP respond on all devices David T Hollis
2003-08-17 16:45                       ` Carlos Velasco
2003-08-17 17:13                         ` Arjan van de Ven
2003-08-17 19:46                           ` insecure
2003-08-18  5:11                             ` David S. Miller
2003-08-18  5:29                 ` David S. Miller
2003-08-17 13:59               ` Bas Bloemsaat
2003-08-18 10:48               ` Robert Collier
2003-08-17 13:38           ` Alan Cox
     [not found] <e2Yb.5CB.17@gated-at.bofh.it>
     [not found] ` <e43Y.6x0.17@gated-at.bofh.it>
     [not found]   ` <e43Y.6x0.19@gated-at.bofh.it>
     [not found]     ` <e43Y.6x0.21@gated-at.bofh.it>
     [not found]       ` <e43Y.6x0.23@gated-at.bofh.it>
     [not found]         ` <e43Y.6x0.25@gated-at.bofh.it>
     [not found]           ` <e43Y.6x0.15@gated-at.bofh.it>
     [not found]             ` <e4nd.6K9.5@gated-at.bofh.it>
     [not found]               ` <e4ne.6K9.11@gated-at.bofh.it>
     [not found]                 ` <e4x3.6RV.23@gated-at.bofh.it>
     [not found]                   ` <e4Qe.7cR.3@gated-at.bofh.it>
     [not found]                     ` <e503.7kj.23@gated-at.bofh.it>
     [not found]                       ` <e5jh.7yW.5@gated-at.bofh.it>
     [not found]                         ` <edJU.6nT.25@gated-at.bofh.it>
2003-07-28 20:45                           ` Julien Oster
2003-08-19 12:02 Richard Underwood
2003-08-19 12:35 ` Alan Cox
2003-08-19 18:30   ` Daniel Gryniewicz
2003-08-19 18:29     ` David S. Miller
2003-08-19 19:12       ` Daniel Gryniewicz
2003-08-19 19:10         ` David S. Miller
2003-08-20 16:49         ` Bill Davidsen
2003-08-20 17:00           ` David S. Miller
2003-08-20 17:44             ` Ben Greear
2003-08-20 17:48               ` David S. Miller
2003-08-20 23:18                 ` Julian Anastasov
2003-08-23 20:50                 ` Bill Davidsen
2003-08-20 19:08             ` Bill Davidsen
2003-08-20 20:07               ` Bas Bloemsaat
2003-08-19 19:42       ` bill davidsen
2003-08-19 13:11 ` Bas Bloemsaat
2003-08-19 15:34   ` David S. Miller
2003-08-19 17:39     ` Lars Marowsky-Bree
2003-08-19 17:36       ` David S. Miller
2003-08-19 21:01         ` Harley Stenzel
2003-08-19 16:19   ` Stephan von Krawczynski
2003-08-19 16:54   ` David S. Miller
2003-08-19 17:15     ` Stephan von Krawczynski
2003-08-19 16:56 ` David S. Miller
2003-08-19 14:34 Richard Underwood
2003-08-19 14:54 ` Willy Tarreau
2003-08-19 15:07   ` Stephan von Krawczynski
2003-08-19 15:57     ` David S. Miller
2003-08-19 16:52       ` Stephan von Krawczynski
2003-08-19 16:53         ` David S. Miller
2003-08-19 17:12           ` Stephan von Krawczynski
2003-08-19 17:09             ` David S. Miller
2003-08-19 19:04         ` Alan Cox
2003-08-19 19:01           ` David S. Miller
2003-08-19 19:19             ` Bas Bloemsaat
2003-08-19 19:16               ` David S. Miller
2003-08-20  8:49               ` Roman Pletka
2003-08-20 14:15                 ` Stephan von Krawczynski
2003-08-20 14:43                   ` Roman Pletka
2003-08-20 15:55                     ` Stephan von Krawczynski
2003-08-20 16:47                       ` Roman Pletka
2003-08-19 15:53   ` Bill Davidsen
2003-08-19 16:14     ` David S. Miller
2003-08-19 17:17       ` Bill Davidsen
2003-08-19 19:08 ` Alan Cox
2003-08-19 21:53   ` Stephan von Krawczynski
2003-08-19 16:54 Richard Underwood
2003-08-19 16:51 ` David S. Miller
2003-08-19 17:10   ` Stephan von Krawczynski
2003-08-19 17:07     ` David S. Miller
2003-08-19 19:57       ` bill davidsen
2003-08-19 17:56 Richard Underwood
2003-08-19 17:53 ` David S. Miller
2003-08-19 18:05 Richard Underwood
2003-08-19 18:21 ` David S. Miller
2003-08-20 12:52   ` Harley Stenzel
2003-08-19 18:16 Richard Underwood
2003-08-19 18:13 ` David S. Miller
2003-08-19 18:30   ` Bas Bloemsaat
     [not found] <mdtk.Zy.1@gated-at.bofh.it>
     [not found] ` <mgUv.3Wb.39@gated-at.bofh.it>
     [not found]   ` <mgUv.3Wb.37@gated-at.bofh.it>
     [not found]     ` <miMw.5yo.31@gated-at.bofh.it>
2003-08-19 18:48       ` Andi Kleen
2003-08-19 19:17         ` Daniel Gryniewicz
2003-08-19 19:21           ` Andi Kleen
2003-08-19 19:27             ` Daniel Gryniewicz
2003-08-19 19:24               ` David S. Miller
2003-08-19 19:32               ` Andi Kleen
2003-08-19 19:28                 ` David S. Miller
2003-08-20  9:53                   ` Alan Cox
2003-08-20 15:41                   ` Stephan von Krawczynski
2003-08-20 15:38                     ` David S. Miller
2003-08-19 19:38           ` Valdis.Kletnieks
2003-08-19 19:37             ` David S. Miller
2003-08-19 20:44               ` Valdis.Kletnieks
2003-08-19 19:00 Richard Underwood
2003-08-19 18:58 ` David S. Miller
     [not found] <mfYi.374.31@gated-at.bofh.it>
     [not found] ` <mkbE.6Rk.35@gated-at.bofh.it>
2003-08-19 20:00   ` Andi Kleen
2003-08-19 19:56     ` David S. Miller
2003-08-19 22:12 Richard Underwood
2003-08-19 22:11 ` David S. Miller
2003-08-19 23:15   ` Stephan von Krawczynski
2003-08-20  8:58 Richard Underwood
2003-08-20 15:23 ` jamal
2003-08-20 15:28   ` jamal
2003-08-20 20:10 Richard Underwood

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