From: George Alexandru Dragoi <waruiinu@gmail.com>
To: netfilter@lists.netfilter.org
Subject: Re: please help - iptables drops tcp/ip connections
Date: Thu, 16 Sep 2004 10:49:13 +0300 [thread overview]
Message-ID: <3063e5040916004941e821d3@mail.gmail.com> (raw)
In-Reply-To: <50592.203.94.69.222.1095265884.squirrel@mail.roomsnet.com>
server:~# cat /proc/sys/net/ipv4/netfilter/ip_conntrack_max
12288
This is on a machine with 192M RAM, the default of that sysctl value
is proportionalwith the amount of RAM, but it can be changed, afaik
every ip_conntrack entry (/proc/net/ip_conntrack) needs arround
300bytes from RAM.
On Wed, 15 Sep 2004 22:31:24 +0600 (LKT), mohan@roomsnet.com
<mohan@roomsnet.com> wrote:
> Hi
> Please advice, I am running a iptables 1.2.11 on Debian Woody with 2.4.24
> kernel. I have a DMZ with 7 machines (4 linux, 3 windows) and 80 Windows
> machines on the LAN side.
>
> The windows machines makes a lot of tcp/ip connections with internal
> client machines (oracle and java). As certain time (around 4000
> simultaneous TCP/IP connections) the machine running iptables drops
> connections and failures occur.
>
> Are there any kernel or iptables setting required to be set for such a
> large number of connections???
> Please advice
>
> Thanks
> Mohan
>
>
--
Bla bla
prev parent reply other threads:[~2004-09-16 7:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-15 16:31 please help - iptables drops tcp/ip connections mohan
2004-09-16 7:49 ` George Alexandru Dragoi [this message]
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