Remote connection to Raspberry Pi by ngrok

How to make it possible to connect remotely to Raspberry Pi, even to the internal IP and behind the firewall?

1. Create ngrok account (https://ngrok.com)
2. Download and unpack application on our Raspberry:
   curl -O https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-arm.zip
unzip ngrok-stable-linux-arm.zip
3. From Auth tab (https://dashboard.ngrok.com/auth/your-authtoken) copy command for config auth token.
   ./ngrok authtoken {token}
4. Add to cron start ngrok on system boot.
   crontab -e
@reboot {path_to_ngrok} tcp 22 &
5. That’s all! Our Raspberry is configured, to check current port go to status tab on ngrok panel (https://dashboard.ngrok.com/status/tunnels). 

6. To connect over ssh use command:
ssh [email protected] -p 10370

Comments:

– After reboot (on free account) a new port will be assigned.