On March 1, 2003 04:46 pm, khalifa ally wrote:
> Dear all
> I have my computer running on linux 8.0
> I have 2 network cards.
> One is having a public IP from my ISP and one I want to configure it as a
> NAT and router to my internal LAN so that other machines can access the
> internet. MY IP hasbeen statically configrured.
> can any one give me step by step procedure to configure  NAT and that this
> computer works as gw for other computers. I if to type commands where
> should I type them in / or /sbin or any where. Please help me I going crazy
> on studying lot of staffs on NAT  but I dont get the way.


the short answer?
  enable forwarding:
    echo 1 > /proc/sys/net/ipv4/ip_forward

  turn on snat:
    iptables -t nat -A POSTROUTING \
      -o $EXT_INTERFACE \
      -j SNAT --to-source $IPADDR

the long answer?
  pick up a book.  i reccomend "linux firewalls second edition (new riders)"

have fun ;-)



-- 
it could probably be shown by facts and figures that there is no distinctly 
native american criminal class except congress.
        - mark twain



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