authclientcert0email0only Plugin for DokuWiki provides authentication via client certificate All documentation for this plugin can be found at https://www.dokuwiki.org/plugin:authclientcert0email0only If you install this plugin manually, make sure it is installed in lib/plugins/authclientcert0email0only/ - if the folder is called different it will not work! Please refer to http://www.dokuwiki.org/plugins for additional info on how to install plugins in DokuWiki. NGINX Remember to add these lines to your nginx config: fastcgi_param SSL_CLIENT_CERT_OLD $ssl_client_cert; fastcgi_param SSL_CLIENT_CERT $ssl_client_escaped_cert; fastcgi_param SSL_CLIENT_VERIFY $ssl_client_verify; fastcgi_param SSL_CLIENT_S_DN $ssl_client_s_dn; (actually only the first one is needed)