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SSSD – System Security Service Daemon

System Security Service (SSSD) was initially developed to be the primary client component for FreeIPA but later became an independent project in its own right. The primary role of SSSD is to provide access to identity and authentication resources through a common framework that can provide caching and offline support to a system. When a user logs into a network with centrally managed accounts, the user information and credentials are automatically stored in an SSSD cache on the user’s system. For offline support, SSSD authenticates the user’s credentials against the local SSSD cache. Authentication through SSSD enables LDAP, NIS, and