--- a/java/org/apache/catalina/connector/Connector.java	
+++ a/java/org/apache/catalina/connector/Connector.java	
@@ -114,7 +114,7 @@ public class Connector extends LifecycleMBeanBase  {
     /**
      * The port number on which we listen for requests.
      */
-    protected int port = 0;
+    protected int port = -1;
 
 
     /**
@@ -497,7 +497,9 @@ public class Connector extends LifecycleMBeanBase  {
     }
 
     /**
-     * Return the port number on which we listen for requests.
+     * Return the port number on which this connector is configured to listen
+     * for requests. The special value of 0 means select a random free port
+     * when the socket is bound.
      */
     public int getPort() {
 
@@ -520,6 +522,16 @@ public class Connector extends LifecycleMBeanBase  {
 
 
     /**
+     * Return the port number on which this connector is listening to requests.
+     * If the special value for {@link #port} of zero is used then this method
+     * will report the actual port bound.
+     */
+    public int getLocalPort() {
+        return ((Integer) getProperty("localPort")).intValue();
+    }
+
+
+    /**
      * Return the Coyote protocol handler in use.
      */
     public String getProtocol() {
@@ -938,7 +950,7 @@ public class Connector extends LifecycleMBeanBase  {
     protected void startInternal() throws LifecycleException {
 
         // Validate settings before starting
-        if (getPort() < 1) {
+        if (getPort() < 0) {
             throw new LifecycleException(sm.getString(
                     "coyoteConnector.invalidPort", Integer.valueOf(getPort())));
         }
--- a/java/org/apache/catalina/connector/mbeans-descriptors.xml	
+++ a/java/org/apache/catalina/connector/mbeans-descriptors.xml	
@@ -108,7 +108,11 @@ 
                  type="int"/>
 
     <attribute   name="port"
-          description="The port number on which we listen for ajp13 requests"
+          description="The port number on which this connector is configured to listen for requests. The special value of 0 means select a random free port when the socket is bound."
+                type="int"/>
+
+    <attribute   name="localPort"
+          description="The port number on which this connector is listening to requests. If the special value for port of zero is used then this method will report the actual port bound."
                 type="int"/>
 
     <!-- Common -->
--- a/java/org/apache/coyote/AbstractProtocol.java	
+++ a/java/org/apache/coyote/AbstractProtocol.java	
@@ -194,6 +194,8 @@ public abstract class AbstractProtocol implements ProtocolHandler,
     }
 
 
+    public int getLocalPort() { return endpoint.getLocalPort(); }
+
     /*
      * When Tomcat expects data from the client, this is the time Tomcat will
      * wait for that data to arrive before closing the connection.
--- a/java/org/apache/tomcat/util/net/AbstractEndpoint.java	
+++ a/java/org/apache/tomcat/util/net/AbstractEndpoint.java	
@@ -141,6 +141,7 @@ public abstract class AbstractEndpoint {
     public int getPort() { return port; }
     public void setPort(int port ) { this.port=port; }
 
+    public abstract int getLocalPort();
 
     /**
      * Address for the server socket.
--- a/java/org/apache/tomcat/util/net/AprEndpoint.java	
+++ a/java/org/apache/tomcat/util/net/AprEndpoint.java	
@@ -37,6 +37,7 @@ import org.apache.tomcat.jni.Pool;
 import org.apache.tomcat.jni.SSL;
 import org.apache.tomcat.jni.SSLContext;
 import org.apache.tomcat.jni.SSLSocket;
+import org.apache.tomcat.jni.Sockaddr;
 import org.apache.tomcat.jni.Socket;
 import org.apache.tomcat.jni.Status;
 import org.apache.tomcat.util.ExceptionUtils;
@@ -326,8 +327,29 @@ public class AprEndpoint extends AbstractEndpoint {
     public void setSSLInsecureRenegotiation(boolean SSLInsecureRenegotiation) { this.SSLInsecureRenegotiation = SSLInsecureRenegotiation; }
     public boolean getSSLInsecureRenegotiation() { return SSLInsecureRenegotiation; }
 
-    // --------------------------------------------------------- Public Methods
 
+    /**
+     * Port in use.
+     */
+    @Override
+    public int getLocalPort() {
+        long s = serverSock;
+        if (s == 0) {
+            return -1;
+        } else {
+            long sa;
+            try {
+                sa = Address.get(Socket.APR_LOCAL, s);
+                Sockaddr addr = Address.getInfo(sa);
+                return addr.port;
+            } catch (Exception e) {
+                return -1;
+            }
+        }
+    }
+
+
+    // --------------------------------------------------------- Public Methods
 
     /**
      * Number of keepalive sockets.
--- a/java/org/apache/tomcat/util/net/JIoEndpoint.java	
+++ a/java/org/apache/tomcat/util/net/JIoEndpoint.java	
@@ -96,6 +96,18 @@ public class JIoEndpoint extends AbstractEndpoint {
     public void setServerSocketFactory(ServerSocketFactory factory) { this.serverSocketFactory = factory; }
     public ServerSocketFactory getServerSocketFactory() { return serverSocketFactory; }
 
+    /**
+     * Port in use.
+     */
+    @Override
+    public int getLocalPort() {
+        ServerSocket s = serverSocket;
+        if (s == null) {
+            return -1;
+        } else {
+            return s.getLocalPort();
+        }
+    }
 
     /*
      * Optional feature support.
--- a/java/org/apache/tomcat/util/net/NioEndpoint.java	
+++ a/java/org/apache/tomcat/util/net/NioEndpoint.java	
@@ -21,6 +21,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.net.InetSocketAddress;
+import java.net.ServerSocket;
 import java.net.Socket;
 import java.net.SocketTimeoutException;
 import java.nio.ByteBuffer;
@@ -402,6 +403,26 @@ public class NioEndpoint extends AbstractEndpoint {
     public SSLContext getSSLContext() { return sslContext;}
     public void setSSLContext(SSLContext c) { sslContext = c;}
 
+
+    /**
+     * Port in use.
+     */
+    @Override
+    public int getLocalPort() {
+        ServerSocketChannel ssc = serverSock;
+        if (ssc == null) {
+            return -1;
+        } else {
+            ServerSocket s = ssc.socket();
+            if (s == null) {
+                return -1;
+            } else {
+                return s.getLocalPort();
+            }
+        }
+    }
+
+
     // --------------------------------------------------------- OOM Parachute Methods
 
     protected void checkParachute() {
--- a/test/org/apache/catalina/connector/TestConnector.java	
+++ a/test/org/apache/catalina/connector/TestConnector.java	
@@ -19,6 +19,7 @@ package org.apache.catalina.connector;
 import java.net.SocketTimeoutException;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import org.junit.Test;
 
@@ -69,4 +70,26 @@ public class TestConnector extends TomcatBaseTest {
         }
         assertEquals(503, rc);
     }
+
+
+    @Test
+    public void testPort() throws Exception {
+        Tomcat tomcat = getTomcatInstance();
+
+        Connector connector1 = tomcat.getConnector();
+        connector1.setPort(0);
+
+        Connector connector2 = new Connector();
+        connector2.setPort(0);
+
+        tomcat.getService().addConnector(connector2);
+
+        tomcat.start();
+
+        int localPort1 = connector1.getLocalPort();
+        int localPort2 = connector2.getLocalPort();
+
+        assertTrue(localPort1 > 0);
+        assertTrue(localPort2 > 0);
+    }
 }