Clever Geek Handbook

How do I make localhost: 3000 available globally with my IP address?

I have a Ruby on Rails application running on localhost:3000

. I would like to make it available globally using x.x.x.x:3000

(my IP address).

I am on Windows XP SP3.

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7 replies


  • Disable firewall (s)
    • Make sure port forwarding support is enabled for your computer on your router (if available)


That's all!;)

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The key is to run it on the network adapter, which may already be running. Next, you need to set up port forwarding on your ADSL or cable modem if you are behind the same (or similar NAT device). Finally, ask a friend to try and contact you.



You might want to use DNS for your IP address aliases, so people don't have to enter them manually.

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If you need "localhost: 3000" then go to @Joe's answer, but if you don't need the url you can use https://ngrok.com/ .

Just download it, then run it ngrok localhost:3000

in terminal.

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You will probably want to make sure you have a static IP to start with. You can ask your internet service provider for one of these.

Then you want to make sure you have adequate security ... there are loads of books, etc. about simplifying your server.

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If you are using Apache on Windows, there is a button on the Apache icon. I can't remember the name, but it's something like 'go live'. And of course, you need to set up firewall or port forwarding on your router.

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If you have a static IP, you need to disable your firewall and you should be able to access your machine. (Disabling the firewall isn't really a good idea, but that's a different matter.)

If you have a dynamic IP address (you probably do this if you are not sure), you need to think about something called "Dynamic DNS" as this will allow our computer to have a permanent name even if the IP address changes. Please note that with all the technologies that are playing these days, your local IP address is usually not the one you see publicly. This can be a little confusing if you don't know what's going on.

All that said, most people prefer external hosting of some sort. This is much better in terms of security. Have a look at heroku for the rails host. Their free option may be exactly what you need.

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You answered your own question. IP addresses are unique across the Internet. Just enter xxxx: 3000 and you are there. If you want an easy-to-read address like yahoo.com, take a look at dyndns.com or other free domain name services.

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