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FAQ

What is port forwarding? How to set it up in the router?

Port forwarding
Port forwarding is a process that a router or firewall uses to sort the right kind of network data to the 
right port. Computers and routers use ports as a way to organize network data. Different types of data, such as web sites, file downloads, and online games, are each assigned a port number. The router or firewall uses port forwarding to send the correct data to the correct place.

A firewall protects a computer by blocking unauthorized information, but if a firewall blocked all the incoming and outgoing data, the computer would be unable to access the Internet. When a computer user wants some data to go through the firewall and to send it to a specific location, they can set up port forwarding. That gives the firewall instructions about which types of data are allowed and how they should be directed.

How to setup

[Step 1] Check the Internal port of the device. (The HTTP Default port is 80)

Go to Network > Network Setup > HTTP Service > HTTP Management Port

 

[Step 2] Make sure the Default Gateway IP Address in Network setting is the same as it is in Router.

Go to Network > Network Setup > Setup > LAN IPv4 / IPv6 > “Default Gateway IP Address & Primary Domain Name Server”

 

[Step 3] Setting up Port Forwarding on the Router Configuration Page (different brands of routers may have different setup page).

  • External Port: the port requested from external connection.

Users can set any port number between 1~65535 on the external port on the router configuration page.

  •  Internal Port: the port that will be forwarded to internal devices.

The internal Port on the Router Configuration Page should be the same as it is in internal devices.

  • To IP address: the private IP address (LAN IP address) of internal devices (NVR or network cameras).

The introduction of port forwarding comes from //www.wisegeek.org/what-is-port-forwarding.htm