Port Mapping | Ursalink - Industrial Cellular Routers & LoRaWAN Gateway

What is Port Mapping?

Features >> Port Mapping

Description

Port mapping is an application of network address translation (NAT) that redirects a communication request from one address and port number combination to another while the packets are traversing a network gateway, such as a router or firewall. This technique is most commonly used to make services on a host residing on a protected or masqueraded (internal) network available to hosts on the opposite side of the gateway (external network), by remapping the destination IP address and port number of the communication to an internal host.

Use Case

If a host or client needs to access a specific host or server within corporate intranet, you can remap the destination IP address and port number of the communication to an internal host.

Related Features

Firewall
ACL
VRRP