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ProSafe Gigabit 8 Port VPN Firewall FVS318G Reference Manual
5-16 Virtual Private Networking
v1.1, August 2010
IKE policies are activated when:
1. The VPN Policy Selector determines that some traffic matches an existing VPN policy. If the
VPN policy is of type “Auto”, then the auto policy settings that are defined in the VPN policy
are accessed which specify which IKE policy to use.
2. If the VPN policy is a “Manual” policy, then the manual policy settings that are defined in the
VPN policy are accessed and the first matching IKE policy is used to start negotiations with
the remote VPN gateway.
• If negotiations fail, the next matching IKE policy is used.
• If none of the matching IKE policies are acceptable to the remote VPN gateway, then a
VPN tunnel cannot be established.
3. An IKE session is established, using the SA (Security Association) settings specified in a
matching IKE policy:
• Keys and other settings are exchanged.
• An IPsec SA (Security Association) is established, using the settings in the VPN policy.
The VPN tunnel is then available for data transfer.
The IKE Policies Screen
When you use the VPN Wizard to set up a VPN tunnel, an IKE Policy is established and populated
in the List of IKE Policies table on the IKE Policies screen and is given the same name as the new
VPN connection name. You can also edit exiting policies or add new IKE policies directly on the
IKE Policies screen.
To view the IKE Policies screen, select VPN from the main menu and Policies from the submenu.
The IKE Policies screen displays.
Figure 5-18