Re: Iptables - flooding console

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On Wed, 20 Jul 2011, cbulist@xxxxxxxxx wrote:

> To: centos@xxxxxxxxxx
> From: "cbulist@xxxxxxxxx" <cbulist@xxxxxxxxx>
> Subject:  Iptables - flooding console
> 
> Hi,
>
> We are trying to track some specific rules using  LOG as target.
> Everything is working well but the problem is that iptables is flooding
> the console with LOG messages.
> We tried --log level 4 on iptables rules but it didn't work.
> We fixed the problem changing KLOGD_OPTIONS value in
> /etc/sysconfig/syslog to:
> KLOG_OPTIONS="-c 4"
>
> Is it the best option or we are missing something?
>
> Thanks in advance

I had this problem as well. The firewall logs were being 
sent (tailed/tee'd ?) to the console, which is a pain if you 
are using mc or any other console application.

To fix it on Centos 5.5/6 I just added the following 
to the top of the /etc/syslog.conf file.

Deleted these lines as not in use:

# Log all kernel messages to the console.
# Logging much else clutters up the screen.
#kern.*                       /dev/console


Replaced with:
# Log all firewall messages to a file.
kern.=debug      /var/log/firewall-log

Obviously you need to make sure the firewall log file 
exists

-rw-r--r--  keith  users    39039 Jul 20 15:24 firewall-log

Kind Regards,

Keith Roberts
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