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Single sign-on web authentication system

WebAuth is a comprehensive system for authenticating web users. It relies on a login server to which users are redirected at their first attempt to access a protected web site and implements a protocol that uses whichever initial user authentication mechanism is convenient to establish the user's identity. Once the user has logged in to the login server, their identity is carried in a cookie set by that login server and they will not again need to enter their password until their credentials expire, even if they visit multiple different protected web sites.


User install guide available in HTML format from http://webauthv3.stanford.edu/install.html; User and developers reference manuals available in HTML format from http://webauthv3.stanford.edu/#docs

Related Projects



Verified by

Verified on




Verified by

Janet Casey

Verified on

12 January 2005

Leaders and contributors

Stanford WebAuth team Maintainer

Resources and communication

AudienceResource typeURI

Software prerequisites

Required to useMIT Kerberos v5 1.2.1 or later
Required to usecURL 7.10 or later
Required to useApache 2.0.43 or later
Required to useOpenSSL 0.9.7
Weak prerequisiteOpenLDAP (both for LDAP support)
Weak prerequisiteCyrus SASL

This entry (in part or in whole) was last reviewed on 6 January 2017.


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