[*] Hi everyone, today I'm gonna show you how to open port forwarding without router with ngrok. [?] Why you need to open port forwarding? => Obviously, sometimes you need to access service your machine from outside local network like SSH, HTTP, etc but some reason you can't set it up on your router. [Installation] - Firstly, you need to download ngrok from https://ngrok.com/download - Sign up an account if you want to open any tcp port. After that type this command to Install your authtoken: ./ngrok authtoken <your_auth_token> - Type the command below if you want run ngrok directly from terminal: cp ~/Download/ngrok /usr/bin/ [!] ' ~/Download/ngrok ' is location of ngrok file. [Usage] - You need to start the service that you want to access. For example I'll start apache2. service apache2 start [!] Make sure you modify sshd_config file to allow root login if you want to login ssh as root - Now time to run ngrok: ngrok htt