From: Florian Weimer <fw@deneb.enyo.de>
To: "Lorenzo Hernández García-Hierro" <lorenzo@gnu.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] OpenBSD Networking-related randomization port
Date: Sat, 29 Jan 2005 19:16:17 +0100 [thread overview]
Message-ID: <87hdl0p0cu.fsf@deneb.enyo.de> (raw)
In-Reply-To: <1106932637.3778.92.camel@localhost.localdomain> (Lorenzo Hernández García-Hierro's message of "Fri, 28 Jan 2005 18:17:17 +0100")
* Lorenzo Hernández García-Hierro:
> As it's impact is minimal (in performance and development/maintenance
> terms), I recommend to merge it, as it gives a basic prevention for the
> so-called system fingerprinting (which is used most by "kids" to know
> how old and insecure could be a target system, many time used as the
> first, even only-one, data to decide if attack or not the target host)
> among other things.
The most important result of such a patch is source port randomization
for DNS queries to resolvers. This gives you a few more bits (DNS
itself has just a 16 bit "unique" ID, which isn't too hard to
brute-force these days, unfortunately).
next prev parent reply other threads:[~2005-01-29 18:19 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-28 17:17 [PATCH] OpenBSD Networking-related randomization port Lorenzo Hernández García-Hierro
2005-01-28 17:40 ` Adrian Bunk
2005-01-28 17:47 ` Lorenzo Hernández García-Hierro
2005-01-28 18:18 ` Stephen Hemminger
2005-01-28 18:54 ` Lorenzo Hernández García-Hierro
2005-01-28 19:09 ` Adrian Bunk
2005-01-28 18:02 ` Stephen Hemminger
2005-01-28 18:31 ` Lorenzo Hernández García-Hierro
2005-01-28 18:52 ` Stephen Hemminger
2005-01-28 18:58 ` Lorenzo Hernández García-Hierro
2005-01-28 20:34 ` Lorenzo Hernández García-Hierro
2005-01-28 20:45 ` David S. Miller
2005-01-28 21:34 ` Stephen Hemminger
2005-01-28 21:45 ` David S. Miller
2005-01-29 6:59 ` Andi Kleen
2005-01-28 20:47 ` Arjan van de Ven
2005-01-28 22:12 ` Lorenzo Hernández García-Hierro
2005-01-29 8:04 ` Arjan van de Ven
2005-01-29 8:05 ` Arjan van de Ven
2005-01-29 9:15 ` Valdis.Kletnieks
2005-01-31 16:50 ` Adrian Bunk
2005-01-31 17:23 ` Lorenzo Hernández García-Hierro
2005-01-31 20:11 ` Ingo Molnar
2005-01-31 23:27 ` linux
2005-02-12 22:29 ` Andi Kleen
2005-02-12 23:25 ` linux
2005-02-13 0:18 ` Roland Dreier
2005-02-13 1:41 ` linux
2005-02-02 17:17 ` linux
2005-02-02 17:38 ` Lorenzo Hernández García-Hierro
2005-02-03 19:51 ` Stephen Hemminger
2005-02-03 20:14 ` Lennert Buytenhek
2005-01-31 19:42 ` Valdis.Kletnieks
2005-01-31 20:03 ` Lorenzo Hernández García-Hierro
2005-02-01 23:22 ` Matt Mackall
2005-01-28 18:04 ` Jörn Engel
2005-01-28 18:07 ` Arjan van de Ven
2005-01-28 18:36 ` Lorenzo Hernández García-Hierro
2005-02-01 14:54 ` Bill Davidsen
2005-01-28 19:24 ` Horst von Brand
2005-01-29 18:16 ` Florian Weimer [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-01-28 19:24 Hank Leininger
2005-01-29 7:24 linux
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