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Re: set up NAT (network address translation) on local server



No snat rule in effect!

Was the rule you provided in your original post verbatim? Because it had 'a' instead of the public address. In fact the rule seemed overly specific in other ways too. Here is what I have for a snat rule where the public (Internet) interface is eth1 (substitute your public ip address for a.b.c.d:

-A POSTROUTING -o eth1 -j SNAT --to-source a.b.c.d

Resulting in (again substituted a.b.c.d for the real public address):
Chain POSTROUTING (policy ACCEPT 36819 packets, 4482K bytes)
pkts bytes target prot opt in out source destination 39065 2513K SNAT all -- * eth1 0.0.0.0/0 0.0.0.0/0 to:a.b.c.d

If your rule is correct, then you need to activate your iptables file rules by:
service iptables restart

Chris
 pkts bytes target     prot opt in     out     source               destination

Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination


--
  "A society grows great when old men plant trees whose shade they know
  they shall never sit in" - Greek Proverb


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