OK to increase my droplet security I created a Cloud Firewall and applied it to my droplet,and the strange thing that occur is my site is completely not working(to be precise my server came to halt and I cannot access my site).I followed this link https://www.digitalocean.com/docs/networking/firewalls/how-to/create/ is there anything I am missing!!
Any help.
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.
This should help you learn more about how the firewall works: https://www.digitalocean.com/docs/networking/firewalls/