ESP Encryption ESP (Encapsulating Security Payload) provides security for the payload (data) sent through the VPN tunnel. Generally, you will want to enable both ESP Encryption and ESP Authentication.
Select the desired method, and ensure the remote VPN endpoint uses the same method. The "3DES" algorithm provides greater security than "DES", but is slower.
ESP Authentication Generally, you should enable ESP Authentication. There is little difference between the available algorithms. Just ensure each endpoint use the same setting.
For IKE, configuration is now complete.
•Click "Next" to view the final screen.
•On the final screen, click "Finish" to save your settings, then "Close" to exit the Wizard.
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