Cisco ASA 5505 Getting Started Manual page 148

Implementing the Site-to-Site Scenario
Configuring IPsec Encryption and Authentication Parameters
Step 1
Step 2
ASA 5505 Getting Started Guide
10-10
In Step 4 of the VPN Wizard, perform the following steps:
Choose the encryption algorithm (DES/3DES/AES) from the Encryption
drop-down list, and the authentication algorithm (MD5/SHA) from the
Authentication drop-down list.
Click Next to continue.
Chapter 10 Scenario: Site-to-Site VPN Configuration
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