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On Mon, 21 Oct 2002 17:58:40 -0700, Jack Bowling wrote:

> On Mon, Oct 21, 2002 at 11:05:52AM +0200, linux power wrote:
> > Unknown arg --log-prefix   /var/log/firewall
> > Thats what I get in iptables -L
> > when I use .... -j LOG --log-prefix /var/log/firewall
> > and want to log outgoing unwanted signals.
> > Any idea how to turn logging on.
> 
> I'm sure somebody posted this yesterday but you still don't seem to
> get it. The error message is telling you the truth: /var/log/firewall
> is*not* a valid argument to --log-prefix.

It is a valid argument. /var/log/firewall is simply used as the
text string prefix in log messages. But order does matter:

# iptables -I INPUT -j LOG --log-prefix /var/log/firewall 
#

iptables sees the "LOG" and knows it must used the LOG extension
module. The example above is equal. Hence I thought the error must
be somewhere else.

# iptables -I INPUT --log-prefix /var/log/firewall -j LOG
iptables v1.2.5: Unknown arg --log-prefix'
Try iptables -h' or 'iptables --help' for more information.
#

> the --log-prefix switch is
> there so you can add some text to the packet header to help you
> identify various packets. It is not there to redirect output to a
> separate log file.
> 

- -- 
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