[FIXED JENKINS-11151] HTTPS default port is 443

changelog.html

@@ -58,6 +58,9 @@ Upcoming changes</a>
   <li class=rfe>
     Added a way to show avatar images on user pages.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-7494">issue 7494</a>)
+  <li class=bug>
+    HTTPS on port 80 makes Jenkins infer his URI incorrectly
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-11151">issue 11151</a>)
 
 </ul>
 </div><!--=TRUNK-END=-->

core/src/main/java/hudson/Functions.java

@@ -647,7 +647,7 @@ public class Functions {
         StringBuilder buf = new StringBuilder();
         buf.append(req.getScheme()).append("://");
         buf.append(req.getServerName());
-        if(req.getLocalPort()!=80)
+        if(! (req.getScheme().equals("http") && req.getLocalPort()==80 || req.getScheme().equals("https") && req.getLocalPort()==443))
             buf.append(':').append(req.getLocalPort());
         buf.append(req.getContextPath()).append('/');
         return buf.toString();