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VPN IPSec configuration procedures
FortiGate-100A Administration Guide 01-28007-0068-20041203 267
2 In the Address Name field, type a name that represents the local network, server(s),
or host(s) from which IP packets may originate on the private network behind the local
FortiGate unit.
3 In the IP Range/Subnet field, type the corresponding IP address and subnet mask (for
example, 172.16.5.0/24 for a subnet, or 172.16.5.1/32 for a server or host) or
IP address range (for example, 192.168.10.[80-100]).
4 Select OK.
To define an IP destination address
1 Go to Firewall > Address and select Create New.
2 In the Address Name field, type a name that represents the remote network, server(s),
or host(s) to which IP packets may be delivered.
3 In the IP Range/Subnet field, type the corresponding IP address and subnet mask (for
example, 192.168.20.0/24 for a subnet, or 192.168.20.2/32 for a server or
host), or IP address range (for example, 192.168.20.[10-25]).
4 Select OK.
To define the firewall encryption policy
1 Go to Firewall > Policy and select Create New.
2 Include appropriate entries as follows:
Interface/Zone Source
Select the local interface to the internal (private) network.
Destination
Select the local interface to the external (public) network.
Address Name Source
Select the name that corresponds to the local network, server(s), or
host(s) from which IP packets may originate.
Destination
Select the name that corresponds to the remote network, server(s), or
host(s) to which IP packets may be delivered. The name may correspond
to a VIP-address range for dialup clients.
Schedule Keep the default setting (always) unless changes are needed to meet
specific requirements.
Service Keep the default setting (ANY) unless changes are needed to meet your
specific requirements.
Action Select ENCRYPT.
VPN Tunnel Select the name of the phase 2 tunnel configuration to which this policy
will apply.
Select Allow inbound if traffic from the remote network will be allowed to
initiate the tunnel.
Select Allow outbound if traffic from the local network will be allowed to
initiate the tunnel.
Select Inbound NAT to translate the source IP addresses of inbound
decrypted packets into the IP address of the FortiGate internal interface.
Select Outbound NAT to translate the source address of outbound
encrypted packets into the IP address of the FortiGate public interface.