<acronymtitle="LemonLDAP::NG">LL::NG</acronym> can delegate authentication to an OpenID server. This requires <ahref="http://search.cpan.org/~mart/Net-OpenID-Consumer/"class="urlextern"title="http://search.cpan.org/~mart/Net-OpenID-Consumer/"rel="nofollow">Perl OpenID consumer module</a> with at least version 1.0.
<p><divclass="notetip"><acronymtitle="LemonLDAP::NG">LL::NG</acronym> can also act as <ahref="../../documentation/2.0/idpopenid.html"class="wikilink1"title="documentation:2.0:idpopenid">OpenID server</a>, that allows to interconnect two <acronymtitle="LemonLDAP::NG">LL::NG</acronym> systems.
<p><divclass="notetip">OpenID authentication can proposed as an alternate authentication scheme using the <ahref="../../documentation/2.0/authchoice.html"class="wikilink1"title="documentation:2.0:authchoice">authentication choice</a> method.
<liclass="level2"><divclass="li"><strong>List type</strong>: choose white list to define allowed domains or black list to define forbidden domains</div>
</li>
<liclass="level2"><divclass="li"><strong>List</strong>: domains list (comma separated values)</div>
See also <ahref="../../documentation/2.0/exportedvars.html"class="wikilink1"title="documentation:2.0:exportedvars">exported variables configuration</a>.