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From: Antony Stone <Antony@Soft-Solutions.co.uk>
To: netfilter@lists.netfilter.org
Subject: Re: ip_conntrack_tcp Errors
Date: Mon, 28 Jun 2004 13:05:57 +0100	[thread overview]
Message-ID: <200406281305.57409.Antony@Soft-Solutions.co.uk> (raw)
In-Reply-To: <1088423237.13933.127.camel@spudgun.dhcp.internal>

On Monday 28 June 2004 12:47 pm, Evgeni Vachkov wrote:

> Hi all,
>
> When I load test one of our firewalls, when the concurrent connections
> reach arround 230, I am getting a lot of error messages as shown below.

230 is a very small number.   You should be able to support several thousand 
connections (depending on RAM) without problems.

> Mostly indicating that the server has sent an invalid SYN.  This is a
> heavy load firewall.

Define "heavy load"?

230 connections is not much.   What sort of bandwidth are they generating in 
total?

What sort of network cards are you using?   Anything changed about the 
hardware around the time you started seeing the messages?

Regards,

Antony.

-- 
What is this talk of "software release"?
Our software evolves and matures until it is capable of escape, leaving a 
bloody trail of designers and quality assurance people in its wake.

                                                     Please reply to the list;
                                                           please don't CC me.



  parent reply	other threads:[~2004-06-28 12:05 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-28 11:47 ip_conntrack_tcp Errors Evgeni Vachkov
2004-06-28 12:04 ` Jozsef Kadlecsik
2004-06-28 12:29   ` Evgeni Vachkov
2004-06-28 12:47     ` Jozsef Kadlecsik
2004-06-28 12:05 ` Antony Stone [this message]
2004-06-28 12:30 ` Dimitar Katerinski
2004-06-28 12:45   ` Dimitar Katerinski
2004-06-28 12:55   ` Jozsef Kadlecsik
2004-06-28 14:40     ` Evgeni Vachkov
2004-06-29  7:55       ` Jozsef Kadlecsik
2004-06-29  9:30         ` Evgeni Vachkov
2004-06-29  9:52           ` Jozsef Kadlecsik
2004-06-28 15:45   ` Evgeni Vachkov
2004-06-29  7:46     ` Jozsef Kadlecsik
2004-06-30  9:25   ` ip_conntrack_tcp Errors - backing a patch Evgeni Vachkov
2004-06-30 12:58     ` Jozsef Kadlecsik

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