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From: Andi Kleen <ak@muc.de>
To: Thomas Graf <tgraf@suug.ch>
Cc: Zdenek Radouch <zdenek@rcn.com>, Martin Mares <mj@ucw.cz>,
	netdev@oss.sgi.com, linux-net@vger.kernel.org
Subject: Re: Do you know the TCP stack? (127.x.x.x routing)
Date: 6 Mar 2005 22:30:47 +0100
Date: Sun, 6 Mar 2005 22:30:47 +0100	[thread overview]
Message-ID: <20050306213047.GA65970@muc.de> (raw)
In-Reply-To: <20050306204516.GR31837@postel.suug.ch>

On Sun, Mar 06, 2005 at 09:45:16PM +0100, Thomas Graf wrote:
> * Andi Kleen <m1y8d0mss2.fsf@muc.de> 2005-03-06 21:19
> > Zdenek Radouch <zdenek@rcn.com> writes:
> > >
> > > There is no doubt that the 127.x net is treated in a special
> > > way.  If I have to believe what I just learned, then the 127
> > 
> > It is. 127.* is hardcoded in the routing engine and e.g.
> > it won't accept outside packets with a loopback address.
> > 
> > Most likely it's enough to change the "LOOPBACK" macro to allow
> > parts of the Class A to be used for other purposes.
> 
> Yes, it will work around the martian route and arp checks but
> will probably break quite a few usersapce applications.

Unlikely. glibc has an own LOOPBACK() and all modern distributions
use separate kernel/user headers anyways.

-Andi

  reply	other threads:[~2005-03-06 21:30 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-06  2:20 Do you know the TCP stack? (127.x.x.x routing) Zdenek Radouch
2005-03-06  9:56 ` Martin Mares
2005-03-06 17:01   ` Zdenek Radouch
2005-03-06 17:12     ` alex
2005-03-06 17:31     ` Thomas Graf
2005-03-06 19:48       ` Zdenek Radouch
2005-03-06 20:19         ` alex
2005-03-06 20:19         ` Andi Kleen
2005-03-06 20:45           ` Thomas Graf
2005-03-06 21:30             ` Andi Kleen [this message]
2005-03-06 21:50               ` Thomas Graf
2005-03-06 21:50             ` Zdenek Radouch
2005-03-07  7:01               ` Sumit Pandya
2005-03-07  8:05               ` Eran Mann
2005-03-07 12:14                 ` jamal
2005-03-07 23:50                 ` jamal
2005-03-08  3:15                   ` Zdenek Radouch
2005-03-08 13:34                     ` jamal
2005-03-08 13:51                       ` Martin Mares
2005-03-08 13:58                         ` jamal
2005-03-08 14:03                           ` Martin Mares
2005-03-08 14:17                             ` jamal
2005-03-08 14:20                               ` Martin Mares
2005-03-08 18:40                               ` Henrik Nordstrom
2005-03-08 21:17                                 ` jamal
2005-03-09  9:09                                   ` Henrik Nordstrom
2005-03-09 12:39                                     ` jamal
2005-03-09 13:39                                       ` Zdenek Radouch
2005-03-09 14:18                                         ` jamal
2005-03-09 16:46                                           ` Jason Lunz
2005-03-10 10:10                                             ` Henrik Nordstrom
2005-03-09 17:52                                           ` Matt Mackall
2005-03-10  6:57                                             ` Catalin(ux aka Dino) BOIE
2005-03-09 22:34                                       ` Henrik Nordstrom
2005-03-10  1:47                                         ` Jamie Lokier
2005-03-08 18:34                       ` Henrik Nordstrom
2005-03-09  5:33                       ` Zdenek Radouch
2005-03-08 14:02                     ` Thomas Graf
  -- strict thread matches above, loose matches on Subject: below --
2005-03-08 15:07 Steve Iribarne
2005-03-09 15:01 Steve Iribarne
2005-03-09 16:00 ` jamal
2005-03-10  6:48 ` Catalin(ux aka Dino) BOIE
2005-03-09 17:33 Steve Iribarne
2005-03-09 19:40 ` jamal
2005-03-09 21:57 Steve Iribarne
2005-03-10  0:11 ` jamal
2005-03-09 23:51 Boian Bonev
2005-03-10  0:23 ` Jason Lunz
2005-03-10 14:35 Steve Iribarne
2005-03-10 14:49 ` Dmitry Torokhov
2005-03-10 15:04 Steve Iribarne
2005-03-10 15:25 ` Catalin(ux aka Dino) BOIE

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