From a frest install of wordpress 3.0.1 with no other plugin enabled I downloaded the latest available shibboleth plugin using the wp dashboard but the second I enable the plug in I get this error message and can't access my wordpress anymore
This server could not verify that you are authorized to access the document requested. Either you supplied the wrong credentials (e.g., bad password), or your browser doesn't understand how to supply the credentials required.
Additionally, a 401 Authorization Required error was encountered while trying to use an ErrorDocument to handle the request.
Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/126.96.36.19935 Server at sso.student.cdi.ul.ie Port 80