Question

Ho we can use NAT to send messages outside to public network?

Answer 1

Hello, 

You can check how NAT rules are configured inside the firewall. Here is a link with this information. 

https://wiki.teltonika-networks.com/view/RUTX11_Firewall#NAT_Rules

In this configuration you can configure from which interfaces, IP addresses or ports you want to send traffic to other interfaces, IP addresses or specific ports.