aplombtech SMART SWITCH, Manual

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4. Port Forwarding
Port Forwarding is a powerful feature where you can create Virtual Servers using any
device inside your local network. Any service can be accessed from WAN if you configure
the rules using the machine's IP, public port, private port etc. For example, the local
management panel can be exposed over the Internet on port 8080.
Virtual server can be used for setting up public services on your LAN. A virtual server is
defined as a service port, and all requests from Internet to this service port will be
redirected to the computer specified by the server IP. Any PC that was used for a virtual
server must have a static or reserved IP address because its IP address may change when
using the DHCP function.
• IP Address - The IP address of the PC running the service application.
• Public Port - The numbers of External Service Ports. You can enter a service port or a
range of service ports (the format is XXX - YYY, XXX is Start port, YYY is End port).
• Internal Port - The Internal Service Port number of the PC running the service
application. You can leave it blank if the Internal Port is the same as the Service Port,
or enter a specific port number when Service Port is a single one.
• Protocol - The protocol used for this application, either TCP, UDP, or All (all protocols
supported by the Router).
• Status - The status of this entry, "Enabled" means the virtual server entry is enabled.