How to set up port forwarding

For so many of us, networking hardware is a necessary evil. It's great when it works, but once it does, we just want to leave it alone. But if you've ever run into an app or service that requires "port forwarding" and have thrown up your hands in frustration, don't worry. I'm here to show you it's not so scary after all.

The instructions are specifically for AirPort base stations; check out PortForward.com for instructions for a variety of other routers, or consult your router's manual.

Transcript

This is Macworld senior editor Dan Moren. If you?ve ever set up a network service on your Mac, you may have encountered the arcane term ?port forwarding.? Port forwarding lets people outside your local network access a service on one of your home machines by forwarding specific traffic to that machine. Think of it like creating a rule in your Mail client to forward only email from specific senders to a different address.

Technologies do exist to automate port forwarding, but they aren?t always compatible, so it helps to know exactly how to configure the process manually. For this video, I?m going to show you how to forward a port to your Mac using an AirPort base station. (Different types of routers have different interfaces, but the principle remain the same. Portforward.com is a good resource for instructions.)

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Source: http://www.macworld.com/article/2081139/how-to-set-up-port-forwarding.html#tk.rss_all

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