SNAT Natting Configuration
Using Policy Manager Select the Plus Icon
Select from the list of existing "Packet Filters" or define a custom one using the option "Manage Custom"
Step 2.5 - Defining a Custom Filter
After selecting "Manage Custom" a pop up window will appear click "New"
This will present the following window, Select "Add"
Now we can specify the ports or port range we want to NAT forward
Step 3 - Defining the SNAT Policy
Select the Packet Filter you just created and click "Add Policy"
Change the From section to "Any-External"
In the "To" Section when you click "Add" a new window will open, select the "Add" button again
Provide the SNAT with a name and click "Add"
Select the Public IP Address that is to be used by external devices then define the internal IP Address to forward to.