<tr><th><ahref="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.3 and later</td></tr></table>
<tr><th><ahref="module-dict.html#Compatibility">Compatibility:</a></th><td>The <code>forward-dns</code> provider was addded in 2.4.19</td></tr></table>
<h3>Summary</h3>
<p>The authorization providers implemented by <codeclass="module"><ahref="../mod/mod_authz_host.html">mod_authz_host</a></code> are