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Date:      Mon, 10 Oct 2005 03:04:29 -0500 (CDT)
From:      Mike Silbersack <silby@silby.com>
To:        Olivier Nicole <on@cs.ait.ac.th>
Cc:        freebsd-net@freebsd.org
Subject:   Re: SYN limit
Message-ID:  <20051010030301.F60693@odysseus.silby.com>
In-Reply-To: <200510100652.j9A6qIbV015852@banyan.cs.ait.ac.th>
References:  <200510100622.j9A6MMbW014091@banyan.cs.ait.ac.th> <20051010012831.G60693@odysseus.silby.com> <200510100652.j9A6qIbV015852@banyan.cs.ait.ac.th>

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On Mon, 10 Oct 2005, Olivier Nicole wrote:

>> FreeBSD has no SYN rate limit, but you could be running into TIME_WAIT
>> recycling issues.
>
> I already set tcp.msl to 5000 to release the TIME WAIT quickly.

I should really remove that sysctl...

It's tangential to the problem, that would only help if you were running 
out of sockets.

> I could not find any port conflict.

> Tried that too but it dod not help.
>
> olivier

Well, you're going to need to take tcpdumps at both hosts to figure this 
out, I have no idea what could be happening.

Mike "Silby" Silbersack



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