What to Do If Your Proxy Server Is Refusing Connections An error has occurred in Firefox

Here we can see “What to Do If Your Proxy Server Is Refusing Connections An error has occurred in Firefox”

If you’re using the Mozilla Firefox or Google Chrome browsers on Windows and get an error message saying “The proxy server is denying connections” when trying to view a website, this post can assist. Even though we’ve shown you how to troubleshoot Firefox, you’ll need to do the same with Chrome.

This problem usually happens when you use a VPN service or have an incorrect or dead proxy configuration. This issue can also occur if your computer is infected with malware, altering some internal settings.


Method 1: Make Firefox detect proxy settings automatically

  1. Open your Mozilla Firefox browser and go to the top-right corner of the screen to the action button. Select Options from the newly appearing context menu.
  2. 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. When you arrive, select Settings to access the advanced menu.
  3. 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.
  4. 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.
  5. If the ‘The Proxy server is denying connections’ error persists, proceed to the next possible solution below.

Method 2: Adding the SSL port of the URL to the list of authorized ports (if applicable)

  1. Examine the URL causing the ‘The Proxy server is refusing connections’ issue to check if it has any evidence of an active port.
  2. After you’ve identified the problematic port, go to your proxy setup settings and look for an option to add the port as an alternate SSL port.
  3. Save the configuration and restart your computer after that.
  4. After the next computer setup is complete, check to see if the problem has been resolved.
  5. If the problem persists after following the instructions below, or if this technique isn’t applicable, continue to the next possible solution.

Method 3: Switching to an HTTPS Proxy is the third option (if applicable)

When trying to visit an FTP site through an HTTP proxy, you could get the error “The Proxy server is denying connections.” HTTP proxy servers, unlike HTTPS proxies, do not support this.

If this scenario applies to you, you can remedy the problem by switching to an HTTPS proxy solution that assures secure communications from beginning to finish. If you don’t want to pay for a premium service, you can use this site to locate suitable SSL Proxy servers.

Whether you’re not having trouble accessing a site via FTP, scroll down to the next possible solution below.


Method 4: Make sure you have a VPN.

There’s a chance you’ll encounter this error notice if you’re using a VPN program. In that situation, you should take the following steps:

  • Disable the VPN for a while and see if you can access the website.
  • Change the server and see if it’s working.
  • If nothing else works, try a different VPN app.

Scan your computer for viruses and adware.

As previously stated, this issue can arise as a result of alterations performed by malware or adware. As a result, do a full system scan for malware or adware. Scrutinize your machine with any antivirus software.

You might also want to try AdwCleaner. This helpful freeware allows you to perform the following activities with a single button click:

  • Proxy Reset
  • Winsock should be reset.
  • TCP/IP should be reset.
  • Restart the Firewall
  • File Hosts should be reset.

Browser’s Internet Cache should be cleared.

If nothing else seems to be working, you should give this a shot. Open Firefox’s Options > Privacy & Security to clear the cache. Under Cookies and Site Data, look for the Clear Data option. After that, select Cookies and Site Data and Cached Web Content and click Clear.


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