Cisco 5510 - ASA SSL / IPsec VPN Edition Getting Started Manual page 119

Chapter 9 Scenario: IPsec Remote-Access VPN Configuration
To specify the IKE policy in Step 8 of the VPN Wizard, perform the following
steps:
Choose the Encryption (DES/3DES/AES), authentication algorithms
Step 1
(MD5/SHA), and the Diffie-Hellman group (1/2/5/7) used by the adaptive
security appliance during an IKE security association.
Click Next to continue.
Step 2
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Implementing the IPsec Remote-Access VPN Scenario
Cisco ASA 5500 Series Getting Started Guide
9-13