]> granicus.if.org Git - apache/commitdiff
Documentation Rebuild
authorLuca Toscano <elukey@apache.org>
Mon, 23 May 2016 12:14:50 +0000 (12:14 +0000)
committerLuca Toscano <elukey@apache.org>
Mon, 23 May 2016 12:14:50 +0000 (12:14 +0000)
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1745170 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/mod/mod_proxy.html.en

index e69f91beae1f6721721234cfcfbfe80bd5e81079..fa88427cb4c1947a0e921703e9dd4c05f96244de 100644 (file)
@@ -341,6 +341,17 @@ ProxyPass "/examples" "http://backend.example.com/examples" timeout=10</pre>
       Members are added to a balancer using
       <code class="directive"><a href="#balancermember">BalancerMember</a></code>.</p>
 
+      <div class="note"><h3>DNS resolution for origin domains</h3>
+      <p>The DNS domain resolution happens when the socket to
+        the origin server is created for the first time.
+        When connection pooling is used, the DNS resolution is performed
+        again only when the <code>ttl</code> of the connection expires
+        (please check <code class="directive"><a href="#proxypass">ProxyPass</a></code>
+        parameters).
+        This means that httpd does not perform any DNS resolution caching.
+        </p>
+      </div>
+
     </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="section">
 <h2><a name="access" id="access">Controlling Access to Your Proxy</a></h2>