When accessed PHP files through a browser, may see "NGINX 403 forbidden error".
Here's the error message from NGINX error log /var/log/nginx/error.log.
[error] 11044#11044: *4 "/home/html/index.php" is forbidden (13: Permission denied)
It is because of the root directory has been changed to the home directory.
Then do the following steps:
Enter the given command:
sudo chmod o+x /home/html
The above command gives others who don't own /home/html and aren't in its group owner achieve permissions on /home/html. It permits the user running NGINX daemon to execute the files on /home/html.
Then restart it.
To restart the Nginx daemon run the following command:
sudo systemctl restart nginx
sudo service nginx restart
Then 403 forbidden error will vanish and permitting you to see the actual page.