Fortinet FortiGate 1U Quick Start Manual page 29

Creating a policy to enable
NAT/Route mode
Go to Policy > Policy > Policy and select
Create New to add a security policy that
allows users on the private network to
access the Internet.
Select Enable NAT and Use Destination
Interface Address and click OK.
Some FortiGate models include this
security policy in the default configuration.
If you have one of these models, this step
has already been done for you and as
soon as your FortiGate unit is connected
and the computers on your internal
network are configured, they should be
able to access the Internet.
Results
On the PC that you used to connect to the
FortiGate internal interface, open a web
browser and browse to any Internet website.
You should also be able to connect to the
Internet using FTP or any other protocol or
connection method.
Go to Policy > Monitor > Session Monitor
to view the sessions being processed by the
FortiGate unit.
Connecting a private network to the Internet using NAT/Route mode 9