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From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] dns exploits (self-promotion remix)
Date: Sun, 27 Jul 2008 11:57:40 -0400	[thread overview]
Message-ID: <ce3cd2eb74d8211244db56f5ab952f9d@quanstro.net> (raw)
In-Reply-To: <20080727155414.5C8501E8C1C@holo.morphisms.net>

> those things combined mean that you get 15 bits of randomness
> from query id and 15 from source port, giving 30 bits,
> so ndb/dns is okay (for now).

why only 15 in the query id?  that's an artifact of rand()
which returns 0 ≤ n ≤ 0x7fff.  why not return numbers
between 0 and 0xffff?

- erik




  reply	other threads:[~2008-07-27 15:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <261342.6156.qm@web27004.mail.ukl.yahoo.com>
2008-07-27 13:18 ` erik quanstrom
2008-07-27 15:56   ` Russ Cox
2008-07-27 15:57     ` erik quanstrom [this message]
2008-07-27 16:19       ` Russ Cox
2008-07-27 22:20         ` don bailey
2008-07-28  1:16           ` erik quanstrom
2008-07-28  2:53             ` a
2008-07-28  2:57             ` don bailey
2008-07-28  3:48               ` erik quanstrom
2008-07-28 20:53                 ` Wes Kussmaul
2008-07-27 22:22     ` don bailey

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