pull in forward-dns example from authz_host
lots of people miss it reading the doc for Require in authz_core only
@@ -316,6 +316,11 @@ an authorization provider.</description>
<dt><code>Require ip 10 172.20 192.168.2</code></dt>
<dd>Clients in the specified IP address ranges can access the
resource.</dd>
+
+ <dt><code>Require forward-dns dynamic.example.org</code></dt>
+ <dd>A client the IP of which is resolved from the name dynamic.example.org will be granted access.
+ </dd>
+
</dl>
<p>Other authorization modules that implement require options
