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Configure Proxy Settings in Mozilla Firefox

If you are working in an office where a full-fledged network infrastructure has been established by any network administrator, or if you’re working at home where any of your intelligent siblings or parents have configured some proxy settings, you might find it a challenging task to connect to the Internet if you’re not aware about what the proxy is all about and how to configure it in Mozilla Firefox to get the things up and running.

This section briefly, but clearly, explains how you can configure your Mozilla Firefox to use the proxy settings so that your requests for the websites can be forwarded to the Internet using the saved proxy configuration.

Brief Information about Proxy

A proxy server is an intermediary computer or software application that is placed between the Internet and your internal network infrastructure (which can be a single computer or a LAN switch). Many organizations prefer using the proxy servers in order to expedite the name resolution process (in layman’s language to speed up the Internet when it comes to opening the websites). Also, with the help of proxy servers, smart administrators can restrict the users from accessing unwanted and unproductive websites. If such proxy applications are used within home networks, they can be used to prevent the kids from accessing and downloading the inappropriate contents from the Internet.

Configuring the proxy server in an office network or in home is beyond the scope of this tutorial. Assuming that a proxy server is already running in your scenario, let’s keep our focus right on Mozilla Firefox and see how you can configure this web browser to go to the proxy server in order to expedite the name resolution process and/or to restrict the access to the unwanted websites:

  1. Log on to the computer on which the configuration is to be made.

  2. Ensure that Mozilla Firefox is successfully installed and is running seamlessly.

  3. Double-click the icon of Mozilla Firefox to initiate the web browser.

  4. On the top left corner of the opened Mozilla Firefox interface, click the Firefox button.

  5. On the displayed menu, go to Options > Options.



  6. On the opened Options box, click to select the Advanced icon.

  7. On the Advanced interface, go to the Network tab.



  8. Under the Connection section, click the Settings button.

  9. On the opened Connection Settings box, click to select the Manual proxy configuration radio button.

  10. Once the editable fields are enabled, populate the fields with the correct values. (You might need to contact the concerned administrator to get the proper configuration values to populate the fields).



  11. Once done, click the OK button to save the changes.

  12. Back on the Options box, click OK again.

  13. Restart Mozilla Firefox to allow the changes to take effect.

  14. If you are still unable to connect to the Internet, restart the computer and then try again.


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