From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: Missing TCP SYN on loopback, retransmits after 1s
Date: Wed, 23 Nov 2011 06:24:40 +0100
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Cc: Jesse Young <jlyo@jlyo.org>, netdev@vger.kernel.org
To: John Heffner <johnwheffner@gmail.com>
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Le mardi 22 novembre 2011 =C3=A0 21:06 -0500, John Heffner a =C3=A9crit=
 :
> Offhand, I'd guess you're overflowing the TCP SYN queue.  (You can tr=
y
> tuning tcp_max_syn_backlog.)
>=20

There is one litle thing called "netstat -s", a very useful tool,
included in many distros :)