From a practical point of view, port forwarding is a way to set up a router so that outside inquiries can reach a resource behind it, in the internal network.<\/p>\n
Port forwarding relies on a two-part construct:<\/p>\n
(See yesterday’s post<\/a> for an explanation of what a port is.)<\/p>\n Typically, a router will block unsolicited traffic from accessing computers behind it, which is its firewall function.<\/p>\n Let’s imagine the application you want to enable outside users to access is reached via port x0y0 on local device D0. The port forward that will enable such access:<\/p>\n Router, when a request for port x0y0 arrives, send it along to D0, port x0y0.<\/p>\n Now, outside clients can reach that inner device D0, through the firewall and past the router, by virtue of their request for port x0y0. The setup is called port forwarding.<\/p>\n Source:<\/p>\n CCTV Camera Pros<\/a><\/p>\nJack of Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.\n","protected":false},"excerpt":{"rendered":" More self-tutoring about computer networks: the tutor examines the idea of port forwarding. From a practical point of view, port forwarding is a way to set up a router so that outside inquiries can reach a resource behind it, in …<\/p>\n