Concepts

Network authentication service supports Kerberos protocols and Generic Security Service (GSS) APIs that provide user authentication in a network.

Information regarding Kerberos protocols and GSS APIs exists in multiple sources, so this topic explains the basics as they specifically apply to your System i™ environment.

• Network authentication service terminology
  Network authentication service uses these Kerberos protocol terms.

• How does network authentication service work?
  The System i product can act as a server or a client in the Kerberos network. It is important to understand the authentication processes and the tickets flow in both of these situations.

• Network authentication service protocols
  Network authentication service uses the Kerberos protocol in conjunction with Generic Security Services (GSS) APIs for authentication to provide authentication and security services.

• Network authentication service environment variables
  You can use environment variables with network authentication service to affect how Generic Security Services (GSS) APIs and the Kerberos protocol APIs perform.

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