title: iptables port forwarding: Unknown arg
body: <p>I am trying to do port forwarding with iptables</p>
  
  <p>I am having the problem <strong>'Unknown arg `--to-destination'</strong> when trying to execute this command</p>
  
  <pre><code>iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j DNAT --to 192.168.1.2:80
  </code></pre>
  
  <p>Any ideas ?</p>