--- openflow-2013-06-18.h	2015-07-23 09:54:17.540479378 -0700
+++ openflow-2013-08-08.h	2015-07-23 09:54:17.544479378 -0700
@@ -73,10 +73,9 @@
 #define OFP_MAX_TABLE_NAME_LEN 32
 #define OFP_MAX_PORT_NAME_LEN  16
 
-#define OFP_CONTROLLER_TCP_PORT  6633
-#define OFP_CONTROLLER_SSL_PORT  6633
-#define OFP_SWITCH_TCP_PORT  6634
-#define OFP_SWITCH_SSL_PORT  6634
+/* Official IANA registered port for OpenFlow. */
+#define OFP_TCP_PORT  6653
+#define OFP_SSL_PORT  6653
 
 #define OFP_ETH_ALEN 6          /* Bytes in an Ethernet address. */