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From: Andi Kleen <ak@suse.de>
To: ebiederm@xmission.com (Eric W. Biederman)
Cc: linux-kernel@vger.kernel.org
Subject: Re: lan based kgdb
Date: 18 Nov 2002 00:52:36 +0100	[thread overview]
Message-ID: <p73k7jbvjnf.fsf@oldwotan.suse.de> (raw)
In-Reply-To: ebiederm@xmission.com's message of "17 Nov 2002 22:33:07 +0100"

ebiederm@xmission.com (Eric W. Biederman) writes:

> I agree that you cannot do a perfect job.  The goal is to get something
> that is good enough so that it can be enabled and not give an automatic root
> exploit if someone accidentally leaves it on at the wrong time.

You can always use a simple mac / shared secret scheme. Just use HMAC on each 
packet. The kernel has all the needed code in crypto/ now.

May not be military grade, but should be good enough to stop most attacks.

-Andi

       reply	other threads:[~2002-11-17 23:45 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1037490849.24843.11.camel@irongate.swansea.linux.org.uk.suse.lists.linux.kernel>
     [not found] ` <20021116193008.C25741@work.bitmover.com.suse.lists.linux.kernel>
     [not found]   ` <m11y5k3ruw.fsf@frodo.biederman.org.suse.lists.linux.kernel>
     [not found]     ` <200211180725.27450.bhards@bigpond.net.au.suse.lists.linux.kernel>
     [not found]       ` <m1smxz3mw7.fsf@frodo.biederman.org.suse.lists.linux.kernel>
2002-11-17 23:52         ` Andi Kleen [this message]
2002-11-15 21:44 Edwin Bland
  -- strict thread matches above, loose matches on Subject: below --
2002-11-15 20:29 Kallol Biswas
2002-11-15 20:38 ` William Lee Irwin III
2002-11-15 22:06 ` Martin J. Bligh
2002-11-15 21:26   ` Linus Torvalds
2002-11-15 21:46     ` Andrew Morton
2002-11-15 22:05     ` Kallol Biswas
2002-11-15 22:24     ` Stelian Pop
2002-11-15 22:47       ` Dmitri
2002-11-15 22:53         ` Stelian Pop
2002-11-17  5:45         ` M. R. Brown
2002-11-15 22:51       ` Andrew Morton
2002-11-15 22:59         ` Stelian Pop
2002-11-16 16:23           ` yodaiken
2002-11-16 17:21             ` Stelian Pop
2002-11-16 21:32               ` Nicholas Miell
2002-11-16  2:35         ` Alan Cox
2002-11-16 18:18           ` Oliver Xymoron
2002-11-16  4:19       ` Linus Torvalds
2002-11-16  7:24         ` David Mosberger-Tang
2002-11-16 17:58           ` Daniel Jacobowitz
2002-11-16 23:56           ` Alan Cox
2002-11-16 18:24         ` Oliver Xymoron
2002-11-16 18:33           ` Linus Torvalds
2002-11-16 19:04             ` Oliver Xymoron
2002-11-17  9:56             ` Jan-Benedict Glaw
2002-11-17 14:50               ` Alan Cox
2002-11-18  7:27                 ` Jan-Benedict Glaw
2002-11-19  8:49                 ` Amit S. Kale
2002-11-16 20:42         ` Werner Almesberger
2002-11-16 23:54         ` Alan Cox
2002-11-17  3:19           ` Linus Torvalds
2002-11-17  3:30             ` Larry McVoy
2002-11-17 19:42               ` Eric W. Biederman
2002-11-17 20:10                 ` Jamie Lokier
2002-11-17 20:31                   ` Eric W. Biederman
2002-11-17 20:25                 ` Brad Hards
2002-11-17 21:30                   ` Eric W. Biederman
2002-11-17 21:32                     ` David Lang
2002-11-17 21:48                       ` Brad Hards
2002-11-17 22:00                         ` David Lang
2002-11-17 23:48                           ` Eric W. Biederman
2002-11-17 21:42                     ` Brad Hards
2002-11-18  1:10                 ` Werner Almesberger
2002-11-18  7:20       ` Miles Bader

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