setting up nat

[Antoine]

Thanks for that... but I hope you are joking! You mean there is no
gui/wizard for setting up nat?!?
Cheers
Antoine

On 19/05/06, Arun Binaykia <arun at binaykia.com> wrote:
> Hello,
>
> eth0 is the lan interface,
> eth1 is the wan interface.
>
> substitute eth1 with your ppp interface
>
> This is my script for nat and firewall. It's a part of /etc/rc.local
>
> I've use the following tutorial, iptables are not very difficult.
>
> http://iptables-tutorial.frozentux.net/iptables-tutorial.html#HOWARULEISBUILT
>
> #=====
> iptables --flush
> iptables --flush -t nat
> iptables --append FORWARD --in-interface eth0 -j ACCEPT
> iptables -A FORWARD -i eth1 -m state --state NEW,INVALID -j DROP
> iptables -t nat -A POSTROUTING  -j MASQUERADE
> echo 1 > /proc/sys/net/ipv4/ip_forward
> iptables -P INPUT DROP
> iptables -A INPUT -i eth0 -j ACCEPT
> iptables -A INPUT -s 127.0.0.1 -j ACCEPT
> iptables -A INPUT -i eth1 -p udp -j ACCEPT
> #==== if you want just nat stop here
> iptables -A INPUT -i eth1 -p tcp --dport 22 -j ACCEPT
> iptables -A INPUT -i eth1 -p tcp --dport 80 -j ACCEPT
> #=====
>
> HTH
> Arun
>
>
> On Fri, 2006-05-19 at 21:48 +0200, Antoine wrote:
> > Hi,
> > I am relatively new to fedora (just done two years of gentoo), and
> > quite a bit of googling didn't turn up any easy way to activate nat. I
> > have a few machines that I want to be nat'ed through a fc5 box
> > connecting via pppoe. I installed firestarter but it won't activate
> > nat until I restart my adsl connection (which means sshing into my
> > router box and restarting... ok for me but not for the missus!). I
> > can't believe there is no standard way to set up nat, so if anyone has
> > any pointers I am all ears.
> > Cheers
> > Antoine
> >
> > --
> > This is where I should put some witty comment.
> >
>
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-- 
This is where I should put some witty comment.