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Single Sign-On (SSO) allows a user to use one set of login credentials (e.g., name and password) to access multiple applications. The user is authenticated for all the applications for which they have rights, eliminating login prompts every time a user switches between applications.

SSO for a web service consists of an agent on the application server that retrieves authentication credentials for a user from a dedicated SSO policy server. The user is then authenticated against a repository, such as a lightweight directory access protocol (LDAP) directory or Active Directory (AD).

Related terms

  • Active Directory (AD)
  • LDAP
  • Web interface
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