WebAuth is a comprehensive system for authenticating web users, built on top of Apache 2.0. It relies on a login server (the WebKDC) to which users are redirected at their first attempt to access a protected web site and can use whatever initial authentication mechanism is convenient to establish the user's identity. Once authenticated, the user can visit multiple protected sites without re-authenticating. Kerberos credential delegation is supported, as is user authorization based on entitlements in an LDAP directory.
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