Updating nohost the hostname
Please consult the documentation for your product to find specific instructions on how to configure its firewall service Is my ISP blocking the port(s) I am trying to use?
If the IP address does not match the one listed by your hostname, you will need to manually update it to get your service working again.
First, you need to configure port forwarding on your router.
You will need to know what port your application uses, and also the internal network IP address of the machine you’re using to serve that application.
How do I avoid manually updating my hostname in the future?
In this situation, it is recommended to use an update client that will automatically update the hostnames IP address when it changes.