diff --git a/nse_nmaplib.cc b/nse_nmaplib.cc
index 0796137cc..50b5c1de5 100644
--- a/nse_nmaplib.cc
+++ b/nse_nmaplib.cc
@@ -753,6 +753,32 @@ static int l_get_interface (lua_State *L)
   return 1;
 }
 
+/* return the ttl (time to live) specified with the 
+ * --ttl command line option. If a wrong value is 
+ * specified it defaults to 64.
+ */
+static int l_get_ttl (lua_State *L)
+{
+	if (o.ttl < 0 || o.ttl > 255)
+		lua_pushnumber(L, 64); //default TTL
+	else
+		lua_pushnumber(L, o.ttl);
+	return 1;
+}
+
+/* return the payload length specified by the --data-length 
+ * command line option. If it  * isn't specified or the value 
+ * is out of range then the default value (0) is returned.
+ */
+static int l_get_payload_length(lua_State *L)
+{
+	if (o.extra_payload_length < 0)
+		lua_pushnumber(L, 0); //default payload length
+	else
+		lua_pushnumber(L, o.extra_payload_length);
+	return 1;
+}
+
 int luaopen_nmap (lua_State *L)
 {
   static const luaL_reg nmaplib [] = {
@@ -780,6 +806,8 @@ int luaopen_nmap (lua_State *L)
     {"address_family", l_address_family},
     {"get_interface", l_get_interface},
     {"get_interface_info", l_dnet_get_interface_info},
+	{"get_ttl", l_get_ttl},
+	{"get_payload_length",l_get_payload_length},
     {NULL, NULL}
   };
 
diff --git a/nselib/nmap.luadoc b/nselib/nmap.luadoc
index e0f41aca7..7c2df161c 100644
--- a/nselib/nmap.luadoc
+++ b/nselib/nmap.luadoc
@@ -101,6 +101,28 @@ function get_interface()
 -- @usage local iface, err = nmap.get_interface_info("eth0")
 function get_interface_info(interface_name)
 
+--- Returns the TTL (time to live) value selected by the --ttl option
+--
+-- If there is no value specified or if the value specified with the --ttl 
+-- option is out of the range 0 to 255 (inclusive) this function returns 64,
+-- which is the default TTL for an IP packet. This function would be most 
+-- useful in crafting packets, which we want to comply with the selected 
+-- Nmap TTL value.
+--
+-- @return A number containing the TTL value
+-- @usage local ttl = nmap.get_ttl()
+function get_ttl()
+
+--- Returns the payload data length selected with the --data-length option
+--
+-- Used when a script is crafting ICMP packets and needs to comply with the
+-- selected payload data length. If there is no value specified this function
+-- returns 0 which is the default length of the ICMP payload for Nmap.
+--
+-- @return A number containing the value of the payload length
+-- @usage local payload_length = nmap.get_payload_length
+function get_payload_length()
+
 --- Searches for the specified file and returns a string containing its path if
 -- it is found and readable (to the process).
 --