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Jules
Asked: 2014-02-26 10:49:44 +0800 CST

The Cisco VPN AuthType explained

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I've been having trouble finding resources about the AuthType property which appears in many Cisco VPN configurations. In every example I can find, it's set to AuthType=1, but I don't know what other possible values there are, nor what the 1 actually refers to. Can someone explain this, or point me towards resources pertaining to this?

vpn

2 Answers

  1. Best Answer

    I know that with the older cisco VPN concentrators:

    • AuthType=1 - shared key
    • AuthType=3 - RSA cert
    • AuthType=5 - Mutual RSA

    See, for example, page 2-20.

    Not to be confused with the IOS auth-type for policy management.

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  2. The AuthType will define the way the user is athenticated against the server/device.

    • 1 = Pre-shared keys (default)
    • 3 = Digital Certificate using an RSA signature
    • 5 = Mutual authentication

    Source: Cisco PCF Files

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