![]() ![]() You can use the UPnP function to enable the fast connection of the device to the WAN via a router without port mapping. UPnP is acronym of Universal Plug and Play, it’s a kind of connection protocol can permit network devices to seamlessly discover the presence of other network devices on the network and establish functional network services for data sharing, and communications etc. ![]() Otherwise, without uPnP, Synology NAS is not able to establish the connection and do port mapping automatically. However, this requires your router supports uPnP function and it should be enabled. In order to simplify this, Synology NAS can automatically do port forwarding on router. To achieve this, we need to do port forwarding and use DDNS service. It can be applied to any network devices intend to achieve easy connection/accessing from Internet.įor example, when using network attached storage (NAS) device, we want to access files even when we are away from home and files should be accessible on Internet with authorization. Since it presents for almost two decades, most of network cameras, DVRs, as well as NVRs provide uPnP support. Most of security devices can support uPnP function, it is a mature accessing protocols which has been verified and advocated by Microsoft. Although P2P technology is prevailing in remote accessing for IP cameras/DVRs/NVRs.
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