Shenzhen Dericam Technology Co., Ltd H201C User Manualhttp://www.dericam.com 285 How to Access IP camera via WAN5.1 What’s DDNS?Dynamic DNS, also called as dynamic domain name, is used to handle the problem that user’s devicedoesn’t have fixed IP address while accessing via Internet. With assist of DDNS, user can connect to his/herIP camera directly via DDNS.If user wants to access his/her IP camera via WAN. The following two conditions should be met.1. User knows the WAN IP address or domain name of the IP camera.2. If IP camera connects to a router, the corresponding mirror port of router must be set for IP camera, sothat user can access the IP Cam located in LAN through WAN.Most users don’t have fixed IPs. Every time when the device connects with Internet, networking serviceprovider allocates a dynamic IP to the device. If the connection breaks and rebuilds, a new IP will be allo‐cated again. Normally, user doesn’t know the IP of device. DDNS feature can overcome this problem. Aslong as user knows the dynamic domain name, he/she is always able to access his/her networking device.5.2 How to get the DDNS account:For user’s convenience, IP camera binds one free DDNS account. Each IP camera has a unique global domainname, which is marked on device body. Also, user can obtain the domain name via IP Cam tools. Please re‐fer the figure attached below.The device also supports third‐party domain name resolution. It currently supports www.3322.org andwww.dyndns.org. If users need a third‐party domain solution, he can access the appropriate site and applyfor the dynamic domain. Then, fill the applied domain information in the menu.