What is Port Forwarding?

Port forwarding is a computer networking term that is used interchangeably with port mapping. Poort forwarding is an extension of network address translation (NAT) and this application of NAT is meant to redirect data from one IP address to a specific port number.

Port forwarding creates a gateway for connecting remote computers over private networks (private LAN). Port forwarding traverses the network communication networks from the internal networks to external networks. That is to say that port forwarding creates abridge between two types of networks using the IP address ( for internal networks) and the port number (for external networks).

Why do we need to port forward?

Port forwarding is required to make the connection of an external computer with your computer using the private network. Port forwarding involves router configuration and feeds it the specific port number that is required to make the connection, or that is intended for the connection.

Port forwarding is a must for external devices to be connected with computers on private networks since external connections are not displayed over private networks. Port forwarding works by port mapping and feeding the specific number of the port.

Port numbers are distinct credentials for each port on every computer, and this feature makes use in port forwarding or TCP/IP port and mapping. TCP ports are designed to recognize an application running on the computer or a device using TCP/IP networking. While the device is identified by the IP address that is specific for each device.

Using different ports, a device with specific IP can run many different services and computer applications. Standard port numbers vary from 0 to 1023, and each port has its distinct number that acts as its identity number.

Is port forwarding dangerous?

Port forwarding involves opening ports that can speed up the connection and improve the gaming performance. That’s why port forwarding very common with gaming users. But the opening port is not entirely secure as it opens a channel for hackers to attack the security and allow room for malware to enter viruses and trojans.

Port forwarding is safe with many devices and dangerous for many devices. The security and safety depend upon the inbuilt firewalls and their strengths to protect against malware attacks. For example, port forwarding Xbox and PlayStation is entirely secure but has low reliability as hackers can attack if not malware and Trojans.

Port forwarding and safe for windows Vista, 7, 8, and 10 due to their inbuilt firewalls that are safe and highly secure for port forwarding. Port forwarding with security cameras is also pretty much safe but has low risks of malware attack, and hackers can penetrate open ports easily.