title: Port forwarding using Webmin
body: <p>I have two interfaces to the ubuntu server a 4G sim ( wwan0) and an ethernet port ( eno1). I need to access certain devices on the eno1 interface from wwan0.
  To access a device port 80 I created a NAT Packets before routing (PREROUTING) as follows,
  [Packets before routin][1]
  and configured port filtering as follows
  [port filtering][2]</p>
  <p>However, when I try to access from wwan0 end, I am not able to access the device
  [1]: <a href="https://i.stack.imgur.com/obOJo.png" rel="nofollow noreferrer">https://i.stack.imgur.com/obOJo.png</a>
  [2]: <a href="https://i.stack.imgur.com/Uncnl.png" rel="nofollow noreferrer">https://i.stack.imgur.com/Uncnl.png</a></p>