38 Fortinet Inc.
Configuring your networks NAT/Route mode installation
Configuring your networks
If you are operating the FortiGate unit in NAT/Route mode, your internal network must
be configured to route all Internet traffic to the FortiGate internal interface. Change the
default gateway address of all computers and routers connected directly to your
internal network to the IP address of the FortiGate internal interface. For the external
network, route all packets to the FortiGate external interface.
If you are using the FortiGate unit as the DHCP server for your internal network,
configure the computers on your internal network for DHCP.
Make sure that the connected FortiGate unit is functioning properly by connecting to
the Internet from a computer on your internal network. You should be able to connect
to any Internet address.
Completing the configuration
Use the information in this section to complete the initial configuration of the FortiGate
unit.
Setting the date and time
For effective scheduling and logging, the FortiGate system date and time should be
accurate. You can either manually set the system date and time or you can configure
the FortiGate unit to automatically keep its time correct by synchronizing with a
Network Time Protocol (NTP) server.
To set the FortiGate system date and time, see “Setting system date and time” on
page 101.
Changing antivirus protection
By default, the FortiGate unit scans all web and email content for viruses. You can use
the following procedure to change the antivirus configuration. To change the antivirus
configuration:
1 Select Edit to edit this policy.
2 For Anti-Virus & Web Filter you can select a different Content Profile.
See “Factory default content profiles” on page 25 for descriptions of the default
content profiles.
3 Select OK to save your changes.
You can also add you own content profiles. See “Adding a content profile” on
page 141.
Registering your FortiGate
After purchasing and installing a new FortiGate unit, you can register the unit by going
to System > Update > Support, or using a web browser to connect to
http://support.fortinet.com and selecting Product Registration.
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