disable firewall

[Pete Nesbitt]

On May 4, 2004 02:42 am, Mohamed Kerbachi wrote:
> Hello,
>
> /sbin/chkconfig --level 2345 ipchains  off
>
> RedHat 6.1 !!! you should upgrade your server !!!
>
> -----Message d'origine-----
> De : Edward [mailto:edward at tripled.iinet.net.au]
> Envoyé : mardi 4 mai 2004 11:11
> À : General Red Hat Linux discussion list
> Objet : Re: disable firewall
>
> pop wrote:
> > how to disable firewall from prompt.
> > red hat 6.1
>
> Flush all chains (I'm assuming 6.1 used ipchains).
>
> 'man ipchains'
>
> Regards,
> Ed.
>
>
>
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Hi,
using chkconfig does not stop the firewall (or any service) but changes it's 
run level status which will go into effect next time that runlevel is 
entered.

So the question is what is it that needs to be done? Stop the firewall or stop 
and disable the firewall.

On a related note (I found interesting anyway), a while ago I checked some 
iptables rules for someone, and made some changes, loaded them up on my 
machine, got the expected errors (non valid interface etc) and then stopped 
the firewall using 'service iptables stop'.
Shortly afterwards I experienced connectivity problems. The problem was that 
the rules were partial and no default policies were in place, so even though 
I stopped the iptables service (the user part), netfilter (the kernel part) 
lived on. I needed to set default rules and start/stop the fw in order to 
clear the test rules. It turns out "stop" means flush the existing rules and 
set the default policies (normally accept for all chains)
-- 
Pete Nesbitt, rhce