Chapter 7 Firewall for FortiOS 5.0 : Building firewall objects and policies : IPv4 Firewall Addresses
  
IPv4 Firewall Addresses
Scenario: Mail Server
You need to create an IPv4 address for the Mail Server on Port1 of your internal network.
These server is on the network off of port1.
The IP address is 192.168.1.27
The subnet mask is 255.255.255.0
There should be a tag for this address being for a server
Go to Firewall Objects > Address > Addresses and select Create New > Address/FQDN.
Fill out the fields with the following information:
Address Name
Mail_Server
Comments
<Input into this field is optional>
Color
<Changing this value is optional>
Type
Subnet / IP Range
Subnet / IP Range
192.168.1.27/255.255.255.0
Interface
port1
Add Tags
Server
Select OK.
Enter the following CLI command:
config firewall address
edit Mail_Server
set type ipmask
set subnet 192.168.1.27 255.255.255.255
set associated-interface port1
set tags Server
end