![]() ![]() Here is a list of well-known services with their default port numbers for quick refernce. Please avoid port conflicts as they will lead to rule failures. If you have added a FTP service using port 21, port 21 will no longer be available for the next service. Two PCs cannot communicate via the same port. Please note that each port can only be used by a single LAN device. For example, you can set up a LAN IP 192.168.1.103, port 80, to accept external requests. ![]() Simply put, LAN computers that are configured as FTP servers cannot complete requests from the Internet.īy setting up port forwarding rules, routers will apply these rules to send requests coming from the Internet to a specific LAN device to complete each task. Similarly, computers connected thru an Internet connection cannot access data stored in LAN devices. ![]() However, computers on a LAN connection cannot access data or devices on a specific computer thru an Internet connection. Click here for detailed stepsĮach computer connected to a router has an assigned LAN IP address and is authorized to transfer files to each other. This only article applies to these models after updating to firmware version 3.0.0.4.384.40000. ![]()
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