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After installation Shibboleth configuration files are placed at /etc/shibboleth/. Necessary Apache configuration in /etc/httpd/conf.d/shib.conf(Centos/Redhat), /etc/apache2/conf-available/shib2shib.conf (Ubuntu). Make sure shib.conf is included in your Apache configuration file. If you are converting CUWebAuth to Shibboleth on a production server, make sure you set "ShibCompatValidUser" to "On" in shib.conf to avoid interruption to your website's CUWebAuth authentication. Set it back to "Off" after you finish the conversion.
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