

Method 2: Adding the SSL port of the URL to the list of authorized ports (if applicable) If the ‘The Proxy server is denying connections’ error persists, proceed to the next possible solution below.When you’ve finished making this change, click Ok to save it, then restart your browser and try to view the same web page that was previously failing.Change the toggle associated with Configure Access to the Internet to ‘Use system proxy settings’ after you’ve managed to show the Connection Settings menu.When you arrive, select Settings to access the advanced menu. Select the General category from the vertical menu on the left once inside the Options tab, then utilize the right-hand side menu to scroll down to Network Settings.Select Options from the newly appearing context menu. Open your Mozilla Firefox browser and go to the top-right corner of the screen to the action button.Method 1: Make Firefox detect proxy settings automatically Browser’s Internet Cache should be cleared.Scan your computer for viruses and adware.Method 3: Switching to an HTTPS Proxy is the third option (if applicable).Method 2: Adding the SSL port of the URL to the list of authorized ports (if applicable).Method 1: Make Firefox detect proxy settings automatically.
