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Date:      Fri, 13 May 2005 19:05:37 +0400 (MSD)
From:      Maxim Konovalov <maxim@macomnet.ru>
To:        Matt Ruzicka <matt@frii.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: **net** Re: Outbound TCP issue, potentially related to'FreeBSD-SA-05:08.kmem  [REVISED]'
Message-ID:  <20050513190318.J15338@mp2.macomnet.net>
In-Reply-To: <Pine.BSF.4.58.0505130850280.66727@elara.frii.com>
References:  <Pine.BSF.4.58.0505121627400.66727@elara.frii.com> <Pine.BSF.4.58.0505130850280.66727@elara.frii.com>

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[...]
> net.inet.ip.portrange.randomized: 1
> net.inet.ip.portrange.randomcps: 10
> net.inet.ip.portrange.randomtime: 45
>
> Although I'm not familiar with what this /should/ be, my guts says 10
> seems sort of low.
>
> Also, was this only implemented in 4.11?  (Since we started seeing this
> while running 4.9 still.)
>
>   http://www.freebsd.org/releases/4.11R/relnotes-i386.html
>
> We'll give this a shot though to see if it helps either way.

These sysctls are in 4.11 only and 4.9 has a broken random port
allocation algorithm.  Please turn it off as Mike suggests and report
results back.

-- 
Maxim Konovalov



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