Thread Solution 3: firewall settings

Solution 3: firewall settings If clearing your cache still doesn’t lead to the desired web page, it’s also possible that there is a problem between the web server and your firewall that is responsible for the HTTP error 403 being displayed in the browser. If you trust the web page operator, you can disable the firewall and try opening the web page again. If this finally solves the problem, you should adjust your firewall settings so that this page is allowed. منبع : https://www.ionos.com/digitalguide/hosting/technical-matters/http-403-forbidden-what-is-error-403-and-how-do-i-fix-it/ ریسورس زیاده میتونی سرچ کنی