238Parameter FunctionServer IP DDNS server IP addressServer Port DDNS server port.Domain Name Your self-defined domain name.User The user name you input to log in the server.Password The password you input to log in the server.Update period Device sends out alive signal to the server regularly.You can set interval value between the device and DDNS serverhere.Quick DDNS and Client-end Introduction1) Background IntroductionDevice IP is not fixed if you use ADSL to login the network. The DDNS function allows you to access theNVR via the registered domain name. Besides the general DDNS, the quick DDNS works with the devicefrom the manufacturer so that it can add the extension function.2) Function IntroductionThe quick DDNS client has the same function as other DDNS client end. It realizes the bonding of thedomain name and the IP address. Right now, current DDNS server is for our own devices only. You needto refresh the bonding relationship of the domain and the IP regularly. There is no user name, passwordor the ID registration on the server. At the same time, each device has a default domain name (Generatedby MAC address) for your option. You can also use customized valid domain name (has not registered.).3) OperationBefore you use Quick DDNS, you need to enable this service and set proper server address, port valueand domain name. Server address：www.quickddns.com Port number：80 Domain name：There are two modes: Default domain name and customized domain name.Except default domain name registration, you can also use customized domain name (You can input yourself-defined domain name.) After successful registration, you can use domain name to login installed ofthe device IP. User name: It is optional. You can input your commonly used email address.Important Do not register frequently. The interval between two registrations shall be more than 60 seconds. Toomany registration requests may result in server attack. System may take back the domain name that is idle for one year. You can get a notification emailbefore the cancel operation if your email address setup is OK.5.8.2.8 IP filterThe IP filter interface is shown as in Figure 5-35.After you enabled trusted sites function, only the IP listed below can access current NVR.If you enable blocked sites function, the following listed IP addresses can not access current NVR.
