Protocol: Default = ESP
ESP (Encapsulated Security Payload) or AH (Authentication Header, no encryption).
Encryption: Default = DES
Select the encryption method used by the tunnel. The options are: DES CBC, 3DES or Any.
Authentication: Default = HMAC MD5
The method of password authentication. Options are: HMAC MD5, HMAC SHA or Any.
Life Type: Default = KBytes
Sets whether Life (below) is measured in seconds or kilobytes.