update reference for UDP port 3799

diff --git a/udp.h b/udp.h
index 825b2ded566f9f1008ec083ebbb6dc63fc623573..ca6836fa4aee3bac691d6fba7a8c8f58fc5dbac9 100644 (file)
--- a/udp.h
+++ b/udp.h
@@ -243,7 +243,7 @@ struct udphdr {
 #define BFD_ECHO_PORT                  3785    /* draft-katz-ward-bfd-v4v6-1hop-00.txt */
 #endif
 #ifndef RADIUS_COA_PORT
-#define RADIUS_COA_PORT                        3799    /*XXX*/
+#define RADIUS_COA_PORT                        3799    /* RFC 5176 */
 #endif
 #ifndef NFS_LOCK_DAEMON_PORT
 #define NFS_LOCK_DAEMON_PORT           4045    /*XXX*/