![]() According to my existing knowledge and experience, the problem comes from two aspects port is blocked by ISP (internet service provider), your ISP provides a private IP address. "Yes, all steps are correct, account info and port numbers are correct, but I can't access it remotely." If you can locally access but fail to access it remotely. To debug the problem, foremost we need to ensure the account info and port numbers are correct. #2 Reasons why DDNS doesn't workĪlthough you followed instructions carefully to set DDNS, your devices still might not be accessible. Input DDNS information in your device (IPC, DVR, NVR), saving the settings and reboot your device. ![]() Read the manual or go to device's network setting webpage to know what DDNS service providers your device can support, then register an account Step 2 - Portt forwarding in the routerÄoing port forwarding for your devices in the router, the port number is the number which you locally access camera via web browser, or protocol's port number for video streams. Typically it only requires three simple steps to set DDNS successfully. You can do port forwarding to specific ports and create specific firewall rules to protect your cameras from possible authorized accessing. Users can set DDNS manually for their IP cameras, DVRs, NVRs. P2P makes connection super easy, but lacking flexibility and controlling. P2P servers maybe not in your country, the connection response time is slow.Most P2P services are free, it may become out of service when time goes by. P2P require remote servers to get involved.Users have no control on P2P connection, it performs automatically.Conventional IP cameras don't support P2P connection, but most of them support DDNS.#1 Reasons why people use DDNS rather than P2P Currently, there are two methods to achieve remote connection P2P (also called plug&play, a network protocol can automatically punch holes on firewall of router), and DDNS. No matter we are using IP cameras, DVRs, or NVRs, we want to remotely access them via different devices.
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