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6.3. Remote Authentication Using GSSAPI

In the context of Red Hat Virtualization, remote authentication refers to authentication that is handled remotely from the Red Hat Virtualization Manager. Remote authentication is used for user or API connections coming to the Manager from within an AD, IdM, or RHDS domain. The Red Hat Virtualization Manager must be configured by an administrator using the engine-manage-domains tool to be a part of an RHDS, AD, or IdM domain. This requires that the Manager be provided with credentials for an account from the RHDS, AD, or IdM directory server for the domain with sufficient privileges to join a system to the domain. After domains have been added, domain users can be authenticated by the Red Hat Virtualization Manager against the directory server using a password. The Manager uses a framework called the Simple Authentication and Security Layer (SASL) which in turn uses the Generic Security Services Application Program Interface (GSSAPI) to securely verify the identity of a user, and ascertain the authorization level available to the user.
Remote Authentication with GSSAPI

Figure 6.1. GSSAPI Authentication