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This is not a SSH server. Yes, you can run your own SSH server at a persistent domain. But if you could run a SSH server with a persistent domain then you would not use Ngrok also right?

The value is in getting public URLs for sharing your localhost instantly without any infrastructure or software setup.

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You can run the same command against any default configured ssh server.

I have never heard of ngrok, and have used ssh tunnels for over a decade.

I must be missing something.

This is a tool (like ngrok, or inlets, or sish etc) for easily opening a port on your local computer to the public internet.

So, for example, if you are hosting a web server locally on port 8080, you could ssh to a service like this, and then it would give you back a link such as h59dke4.example.com.

All traffic that goes to h59dke4.example.com:80 will actually be routed to your 127.0.0.1:8080

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