单点登录CAS简介

cas单点登录认证系统

CAS provides enterprise single sign-on service for the Web:
An open and well-documented protocol
An open-source Java server component
Pluggable authentication support (LDAP, database, X.509, 2-factor)
Support for multiple protocols (CAS, SAML, OAuth, OpenID)
A library of clients for Java, .Net, PHP, Perl, Apache, [uPortal](https://www.apereo.org/projects/uportal/uportal-community), and others
Integrates with [uPortal](https://www.apereo.org/projects/uportal/uportal-community), BlueSocket, TikiWiki, Mule, Liferay, Moodle and others
Community documentation and implementation support
An extensive community of adopters

cas官网地址：
https://www.apereo.org/projects/cas

github地址：
https://github.com/apereo/cas

文档地址：
https://apereo.github.io/cas/4.2.x/index.html