In this post we will discuss what are the authentication methods supported by SharePoint 2010. you can check a full article also here.
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The default method is Windows Authentication, but SharePoint Server 2010 supports following multiple authentication methods:
2. ASP.NET forms
3. Web Single Sign-On (SSO)
The standard Windows authentication method that is selected by default.
Examples – Anonymous, Basic, Digest, Certificates, Kerberos, NTLM (Windows)
SharePoint Server 2010 can support non- Windows-based systems via integration with ASP.NET forms authentication. This authentication allows SPS 2010 to interact with systems where the Membership Provider interface has been implemented.
Examples: Lightweight Directory Access Protocol (LDAP), SQL Server or other database systems, any other ASP.NET forms authentication solutions.
Web Single Sign-On (SSO):
SharePoint Server 2010 supports the storage and mapping of credentials including account names and passwords. SSO provides a way for users to authenticate one time while accessing data from other applications and systems.
Examples: Active Directory Federation Services (ADFS), Additional Identity Management Systems.