diff --git a/fpm/fpm.h b/fpm/fpm.h
index 96f05f4..9a1dbf2 100644
--- a/fpm/fpm.h
+++ b/fpm/fpm.h
@@ -87,6 +87,14 @@
  * table(s) when it reconnects.
  */
 
+/*
+ * Local host as a default server for fpm connection 
+ */
+#define FPM_DEFAULT_IP              (htonl (INADDR_LOOPBACK))
+
+/*
+ * default port for fpm connections
+ */
 #define FPM_DEFAULT_PORT 2620
 
 /*
@@ -270,4 +278,10 @@
   return 1;
 }
 
+// tcp maximum range
+#define TCP_MAX_PORT   65535
+
+// tcp minimum range 
+#define TCP_MIN_PORT   1
+
 #endif /* _FPM_H */