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Java Open Single Sign On
Stable release
2.4.1 / October 27, 2015; 19 months ago (2015-10-27)
Development status Active
Written in Java
Operating system Cross-platform
Type single sign-on
License LGPL License

Java Open Single Sign On (JOSSO) is a single sign-on solution for web applications. It is an open source Java EE based software for user authentication and authorization. The software is released under the GNU Lesser General Public License (LGPL).


The framework allows multiple web server/applications such as the Apache HTTP Server, Apache Tomcat, JBoss, ASP, PHP etc. to authenticate users with credential store. JOSSO communicates with credential stores over the Lightweight Directory Access Protocol (LDAP) or a JDBC connection.

JOSSO exposes Single Sign On services using SOAP over HTTP protocol allowing it to easily integrate with non-Java applications. JOSSO implements JAAS (Java Authentication and Authorization Service) to authenticate and enforce access controls upon users.

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