Configuring a proxy server in Mozilla Firefox browser

Mozilla Firefox ranks third in popularity among Russian browsers. Powered by the Quantum engine, which is characterized by high speed and performance. You can add anonymity to these browser advantages if you connect a private proxy. Firefox is the only browser (of the most common) that implements an autonomous configuration of connections through a proxy server, independent of system parameters. Below we will analyze in detail how proxy server configuration is performed in Firefox.

Clearing the cache and cookies before setting up a proxy in Firefox

Before proceeding with the basic proxy settings, be sure to clear the cache in Firefox. This is necessary in order to hide information about the sites you visited earlier, clear the saved passwords and delete the entire history of previous sessions in the browser. Based on the information listed, you can track who you are and where you are from, so it’s better to erase all this data.

Чтобы очистить кэш в Фаерфокс, сделайте 6 простых действий:

  1. Launch Mozilla Firefox.


  2. Open the browser menu and go to "Options".


  3. Go to the "Privacy and Protection" tab.

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  4. Scroll down the page a little and click “Delete Data”.

    clear data....jpg

  5. In the window that opens, confirm the action by clicking "Clear".

    cookie cache clear.jpg

  6. Click Uninstall Now.

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If it is important for you to avoid leakage of information about yourself during anonymous work through a proxy server, it is better to delete data in this way after each session in Firefox. Clearing cookies in Firefox can be done automatically.

To save time, just check the box “Delete cookies and site data when closing Firefox”.

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How to configure proxies in Firefox

Setting up a connection through a proxy in Firefox does not cause many difficulties. Recent versions of the browser have a simple interface that every user can figure out, not to mention system administrators.

Step 1. Open the connection settings menu. Go to the "Menu - Options", the tab "General", the section "Network Settings".

Step 2. Click the “Settings...” button - a proxy settings window will appear in Firefox.

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Step 3. Select "Manual proxy settings". Enter the Firefox proxy address by selecting the line with the desired protocol. Click “OK” - the settings will take effect.

If necessary, check the box “Use this proxy server for all protocols” - many sites work through the SSL protocol, so it’s better to check this box.

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Step 4. Check the current IP address. Open the website and check the IP-address.

Alternative proxy setup instructions in Mozilla

This instruction implies using the system proxy settings registered in the operating system (in our case, it is Windows 10).

Step 1. Go to the “Menu - Options”, the “General” tab, the “Network Settings” section. Click the “Settings...” button.

Step 2. In the window that opens, check the "Use system proxy settings" checkbox.

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Step 3. Go to the "Start - Windows Settings (gear symbol) - Network and Internet" menu, go to the "Proxy Server" tab.

Step 4. In the window that opens, click on the "Use proxy server" switch, enter the address and port. Click “Save” to apply the settings.

Step 5. Perform IP address verification through the or any other IP address verification service.

Do you also use gadgets from Apple? Then you need knowledge on how to configure proxies in Safari and on MAC OS.

How to disable proxies in Mozilla Firefox

Proxy in Firefox is disabled in a few clicks. Go to "Menu - Options", the tab "General" and find the section "Network Settings".

Next, click the "Settings..." button, in the window that opens, select the "No proxy" option and click "OK" to save the settings. Now the connection to web resources is established directly.

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When using the system settings, go to "Start - Windows Settings (gear symbol) - Network and Internet", open the "Proxy Server" menu and click on the "Use Proxy Server" switch. Your settings will be saved automatically.

What to do: Proxy server refuses to accept connections in Firefox

Sometimes, an attempt to connect through a mediation server may fail. If the proxy server refuses to accept Firefox connections, the problem may be due to an incorrect IP address or port in the browser settings.

If the proxy setup in Firefox went right, you entered all the data correctly, but the connection still fails, then the problem is in the server. It must be replaced, as it is inoperative. Similar situations are common with free public proxies for Firefox. That is why it is better to use paid private servers.

For safe and anonymous use of the Firefox browser, it is better to use reliable private servers, for example, the Russian IPv4 proxy.