Proxy server not Working Firefox

Websites don't load
How to Configure a Proxy Server in Firefox

Are you having trouble getting a website to load? Don't worry — we're here to help. This article will show you how to fix the problem so you can get back to surfing the web.

With a little detective work, we can narrow down the cause of the problem.

  1. Open a new tab and check to see if you can load another website like or
  2. Launch another browser, like Internet ExplorerSafariGoogle Chrome, and try to open the site you were having problems with.

If you see any of these error messages, it might just be a problem with Firefox's cache:

  • The connection was interrupted
  • The connection was reset
  • The connection has timed out
  • Try clearing Firefox's cookies and cache

    Do these steps and then reload the website you're having trouble with.

    1. Click the menu button , choose History and select .
    2. In the Time Range to clear: drop-down, select Everything.
    3. Click the arrow next to Details to display the list of items that can be cleared.
    4. Select both Cookies and Cache.
    5. Click Clear Now.

    If clearing Firefox's cookies and cache didn't work, it's probably a sign that there is a problem with the website itself. In that case you'll just have to wait for it to get fixed. With big sites like Twitter or Facebook this may only be a few minutes.

    If you don't see any of the error messages above, check to see if any of the specific problems below match what you see:

    The website loads but doesn't work properly

    If the website doesn't look right or doesn't work the way it's supposed to, you should check out the following articles:

    The problem only happens on a secure (https) website

    Look at the web address in the location bar. Does it start with https:// (notice the "s")? If so, check if you see one of the following error messages:

    If another web browser works just fine, one of following solutions should fix things:

  • The proxy server is refusing connections
  • Unable to find the proxy server
  • To check your proxy settings:

    1. Click the menu button and choose Options.Preferences.
    2. Select the panel.
    3. Select the Network tab.
    4. In the Connection section, click Settings.
    5. Change your proxy settings:
    6. If you don't connect to the Internet through a proxy (or don't know whether you connect through a proxy), select No Proxy.
    7. If you connect to the Internet through a proxy, compare Firefox's settings to another browser's .
    8. Close the Connection Settings window.
    9. Close the about:preferences page. Any changes you've made will automatically be saved.
  • A website reports that Firefox is outdated, incompatible, or not supported - See Websites say that Firefox is outdated or incompatible even though it's the latest version.
  • A plugin has crashed - This means that a plugin which is being used to display content on the current page has unexpectedly quit. See Send plugin crash reports to help Mozilla improve Firefox for more information.
  • Malicious website errors - If you see a "Suspected Attack Site!" or "Suspected Web Forgery!" warning, Firefox has blocked access to the website you're visiting to protect you from malware or web forgery (phishing). For more information, see Phishing and Malware Protection (
  • Offline mode - If you see a message about offline mode, you may have set Firefox not to use your network connection. Make sure your computer has a network connection and then:


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