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Fortinet Inc.
Authenticating peers with preshared keys
VPN
Authenticating peers with preshared keys
If both VPN peers can use the same preshared key to authenticate themselves to
each other, you can enter the preshared key at each peer.
To configure an AutoIKE VPN with preshared keys
1
Add a phase 1 configuration to define the parameters used to authenticate the remote
VPN peer.
Although the remote VPN peer can be either a client or a gateway, this step is often
referred to as “adding a remote gateway.”
For a preshared key VPN, set authentication method to Preshared key.
2
Set other phase 1 options as required.
See
“Phase 1” on page 254
.
3
Add the phase 2 configuration to define the parameters used to create and maintain
the AutoKey VPN tunnel.
This step is often referred to as “adding a tunnel.” See
“Phase 2” on page 258
.
4
Add the firewall configuration required for the VPN.
See
“Adding firewall policies for IPSec VPN tunnels” on page 288
.
Gateway-to-gateway VPN
Using a peer to peer VPN, users on a network behind a VPN gateway can connect to
another remote network behind a remote VPN gateway. Both VPN gateways or peers
are FortiGate units or other VPN gateways with static IP addresses.
To configure a gateway-to-gateway VPN
1
Add a phase 1 configuration to define the parameters used to authenticate the remote
VPN peer.
2
Set Remote Gateway to static.
3
Set other phase 1 options as required.
See
“Phase 1” on page 254
.
4
Add the phase 2 configuration to define the parameters used to create and maintain
the AutoKey VPN tunnel.
See
“Phase 2” on page 258
.
5
Add the firewall configuration required for the VPN.
See
“Adding firewall policies for IPSec VPN tunnels” on page 288
.
6
Configure remote VPN clients with a matching IPSec VPN configuration.
Summary of Contents for FortiGate 3000
Page 18: ...Contents 18 01 28006 0010 20041105 Fortinet Inc ...
Page 52: ...52 01 28006 0010 20041105 Fortinet Inc Changing the FortiGate firmware System status ...
Page 78: ...78 01 28006 0010 20041105 Fortinet Inc FortiGate IPv6 support System network ...
Page 86: ...86 01 28006 0010 20041105 Fortinet Inc Dynamic IP System DHCP ...
Page 116: ...116 01 28006 0010 20041105 Fortinet Inc FortiManager System config ...
Page 122: ...122 01 28006 0010 20041105 Fortinet Inc Access profiles System administration ...
Page 252: ...252 01 28006 0010 20041105 Fortinet Inc CLI configuration Users and authentication ...
Page 390: ...390 01 28006 0010 20041105 Fortinet Inc Glossary ...
Page 398: ...398 01 28006 0010 20041105 Fortinet Inc Index ...