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<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">We have an Apache web server that serves user web pages as
</span></strong><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">http://servername/~username</span></strong><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal"> and permits users to use .htaccess files to
protect content using Pubcookie. We are now examining issues of using Shibboleth for authentication rather than Pubcookie.
<o:p></o:p></span></strong></p>
<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">Has anyone else use Shibboleth for this type of service and can offer suggestion as to configuration?<o:p></o:p></span></strong></p>
<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">There seems to be Shibboleth specific issues that need to be considered eg.<o:p></o:p></span></strong></p>
<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">With Shibboleth one can place directives such as<o:p></o:p></span></strong></p>
<p class="MsoNormal" style="text-indent:.5in"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">ShibRequestSetting entityId</span></strong><strong><span style="font-family:"Calibri","sans-serif"">
</span></strong><a href="https://SOME-IDP-ENTITY-ID">https://SOME-IDP-ENTITY-ID</a><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:.5in">ShibRequestSetting requireSession 1<strong><span style="font-family:"Calibri","sans-serif";font-weight:normal"><o:p></o:p></span></strong></p>
<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">to specify the IDP to use for authentication. This however only has an effect if the web user is not already authenticated.<o:p></o:p></span></strong></p>
<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">Is there a way to force shibboleth to authenticate to the specified IDP if the user is not already authenticated through that IDP?<o:p></o:p></span></strong></p>
<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">Is there a way to turn off this capability?<o:p></o:p></span></strong></p>
<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">Is there a way to restrict which IDP’s a user may specify? (Without removing the other IDPs from the SPs metadata of course.)<o:p></o:p></span></strong></p>
<p class="MsoNormal"><strong><span style="font-family:"Calibri","sans-serif";font-weight:normal">Are there any other Shibboleth specific issues that should be considered?</span></strong><o:p></o:p></p>
<p class="MsoNormal">-Russ<o:p></o:p></p>
<p class="MsoNormal">Russell J. Yount<o:p></o:p></p>
<p class="MsoNormal">Identity Services, Carnegie Mellon University<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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