A bit of a n00b question if you ask me, but I need to open a port for a generic or wide destination. I have a device that communicates on port 9760. When connected through our Firewall the communication dies. Over crossover cable all is well to a single machine. I need to open the port on my ASG220 to allow the communication to flow through the network. The issue being is this is not a DNAT situation as I don't want just one machine to be able to communicate with the device, but multiple. The port communication should stay all internal and never go external. Looking at the rules I'm at a loss if I'm not doing a DNAT. What is the proper way to unblock or open a port for all addresses on the network so anyone can communicate with this device?
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