Fortinet FortiGate 100A, Administration Manual

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01-28007-0068-20041203 Fortinet Inc.
Configuring virtual IPs Firewall
Figure 100:Virtual IP options; static NAT
Figure 101:Virtual IP options; port forwarding
Virtual IP has the following options.
Configuring virtual IPs
To add a static NAT virtual IP
1 Go to Firewall > Virtual IP .
2 Select Create New.
3 Enter a name for the virtual IP.
Name Enter the name to identify the virtual IP. Addresses, address groups, and
virtual IPs must all have unique names to avoid confusion in firewall
policies.
External Interface Select the virtual IP external interface from the list.
Type Select Static NAT or Port Forwarding.
External IP
Address Enter the external IP address that you want to map to an address on the
destination network. To configure dynamic port forwarding, set the external
IP address to 0.0.0.0.
External Service
Port Enter the external service port number that you want to configure port
forwarding for. (Port forwarding only.)
Map to IP Enter the real IP address on the destination network.
Map to Port Enter the port number to be added to packets when they are forwarded.
(Port forwarding only.)
Protocol Select the protocol (TCP or UDP) that you want the forwarded packets to
use. (Port forwarding only.)