Single sign-on (SSO)is a /user authentication process that permits a user to enter one name and password in order to access multiple applications. The process authenticates the user for all the applications they have been given rights to and eliminates further prompts when they switch applications during a particular session.
SSO
构建统一用户管理和单点登陆（SSO）是一个信息化建设必信息化建设统一不可少的重大举措。通过建设统一的企业信息门户，并把门户建设不可各种业务系统进行授权接入，...
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CAS
- Download the CAS server and client libraries used in this article.
- Download the Tomcat web.xml for CAS used in this article, including instructions for setting up SSL.
- Download the KerberosAuthHandler and CASCallBackHandler code used in this article.
- Learn about "Using CAS at Yale: A Quick Introduction." This article details the components of CAS, explains when to use it, and shows the easiest way to use it to authenticate users.
- Check out "CAS 2.0: Proxiable Credentials" for the reasons for the upgrade plus the new and improved features of the system.
- Read "Using Web services for e-Commerce single sign-in" (developerWorks, January 2002) for more on how to integrate an electronic Customer Relationship Management (eCRM) application into an existing e-Commerce marketplace application to provide a single-sign-in experience for the user.
- Discover how to implement SSO on the Java platform using GSS-API and Kerberos standards to handle the security issues in the article, "Simplify enterprise Java authentication with single sign-on" (developerWorks, September 2003).
- Get the details on Lightweight Third Party Authentication (LTPA), a way for servers to delegate single sign-on authentication to a common third-party service, from "WebSphere and Domino single sign-on" (developerWorks, January 2001).
- Take the "Java security, Part 2: Authentication and authorization" tutorial (developerWorks, July 2002) for an introduction to the basic concepts of authentication and authorization and an architectural overview of JAAS.
- Visit the ITS Central Authentication Service site for an explanation of the thought that went into the design and implementation of CAS 1.0.
- Check out Tips for LDAP Users site for how to use different security authentication mechanisms and SSL (Secure Socket Layer) to access the LDAP service.
- Visit the Security Guide, Kerberos chapter for information on understanding the secure remote commands, authenticating to AIX using Kerberos, and a Q&A on troubleshooting Kerberos.
keyword: php java SSO
wordpress java SSO
接了个网站的项目，jsp开发，要与原有的supersite社区整合，并实现由jsp站点到php站点的一站式登陆，请教解决方案或者思路。
使用Cookie来进行认证。不管单点登录是使用哪一种语言写的系统登录。统一一种格式的Cookie。然后其他的系统读取cookie就可以了。
不要忘了，加密以后再写到Cookie里边。还有失效时间。
如果是jsp登录PHP 那就模拟一个PHP登录的post提交到php的登录程序。
如果php登录jsp 那就模拟jsp登录的post提交到jsp的登录程序
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