Mozilla Firefox is one of the most popular web browsers that provides extensive proxy server configuration options. Setting up a proxy can be useful for providing anonymity, bypassing geographical restrictions, and increasing security when using the Internet. In this article, we will take a detailed look at how to set up a proxy on Mozilla Firefox.

Step 1: Open Firefox settings

Launch the Mozilla Firefox browser on your computer.

In the upper right corner of the browser window, locate and click on the «Three Stripes» icon (this is the Firefox menu) to open a list of options.

From the menu, select «Settings».

Step 2: Go to the «Network» section

On the left side of the settings window, select the «Network and Internet» section.

Scroll down the page to the «Proxy Network» section and click on the «Configure…» button.

Step 3: Configure the proxy

In the «Proxy Setup» window that opens, select the «Manual Proxy Setup» tab.

Here you can enter the address and port of your proxy server. This data is provided by your proxy provider or network administrator.

If the proxy requires authorization, activate the «Use this proxy server for all protocols» option and enter a username and password.

Click «OK» to save the settings.

Step 4: Check the proxy settings

To verify that your proxy settings are correct, go to a website to verify your IP address, such as «». If the proxy settings were made correctly, you will see the IP address of the proxy and not your real IP.

After following these steps, your Mozilla Firefox browser will use the configured proxy server for all your web requests. This means that you will be able to browse any website anonymously and safely.

Setting up a proxy in Mozilla Firefox is a powerful tool that can improve your browsing experience and protect your anonymity. Use it responsibly and choose reliable and trusted proxy servers for the best results.