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Do I need a URL to SSH into my machine over the internet

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#1 Ravenbar


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Posted 16 February 2016 - 08:21 PM

I have a old laptop(running lubuntu 15.10) I only use when I'm at the HS working on the stage lighting. I would like to keep all my files on my main machine(Linux Mint 17.3) at home so I don't have to transfer files back and forth all the time. I can SSH into one from the other on the home network. I'm seeing online what looks like URL's used instead of IP addresses  when going over the internet.

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#2 Demonslay335


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Posted 16 February 2016 - 09:14 PM

Technically you don't need a URL, but it makes things a lot easier than remembering your IP. You would need to port-forward port 22 from your router to your machine, as your public IP will technically hit your router first. You can use a service like DynDNS to get a URL that points to your IP constantly - otherwise, on most ISPs, your IP can change at any time, unless you pay for a static IP. You can get a free account and would have something like "ravenbar.no-ip.com" (if it's available), instead of having to remember your IP.


If you are planning on opening up a port for something like SSH, be sure you lock it down really well. Aside from having an extremely tough password, I would make sure you configure it to only accept SSH over SSL. Having your SSH tunnel hacked is about the worst thing that can happen to you as a Linux user, since that would allow someone a way to control your system and do anything with it. Even if you don't store anything of use on it, it can easily be turned into a vector of attack to the rest of your network, or as a botnet for other malicious intentions.

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