Sample information 2. Network setting Please enter the valid values: 3. Check the status of Upnp option If the Networking setting and router setting are correct, the Upnp will get the current ports, too. Otherwise, if you get "0" for each port, please check your network and router setting. 4. DDNS Enable this option and then select the proper protocol you want： 1) sunellddns enter a name, then click [Test] If it shows "Test successfully ", Then you can enter "dvr238.sunllddns.com:1230" in IE broswer Note: 1230 is the HTTP Port in the option "UPnp"