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How to Set or Change Proxy Settings in Firefox

By Sophia | Last Updated

Mozilla Firefox allows users to set or change proxy settings to visite some limited websites, such as foreign websites. Furthermore, you can also hide the actual IP address to avoid attacks. Set or change proxy settings in Firefox can increase the speed of access because each Proxy Server is equal to a cache region when different users search the same information, it can exact from Proxy Server directly.

Tutorial to Set or Change Proxy Settings in Firefox

For the latest version it takes three steps to complete:

Step 1: Launch Firefox, click on the three parallel lines at the upper corner to open the menu and select Options from the drop-down list.

open menu and select options

Step 2: Tap on General in the left field. Scroll down and click on Settings under Network Proxy section at the page bottom.

set proxy in firefox

Step 3: Then the Connection Settings dialog will pop up. You can configure proxies to access the Internet.

configure proxies to access the internet

For the previous version, follow the steps below:

Step 1: Click on the top-right corner, tap on Options. Alternatively, you can click on Tools from the menu bar and select Options on the drop-down.

open menu and select options

Step 2: Located in the Advanced tab in the left panel. Click on Network then click Settings.

click settings in network

Step 3: Then you will open the Connection Settings window, make some settings if you need.

open connection window

More Information to Set or Change Proxy in Firefox

In the Connection Settings dialog, you will see the five options as below:

  1. 1. No proxy. When you click on this, it means your PC will connect to the existing network directly.
  2. 2. Auto-detect proxy settings for this network. Tap on this Firefox would check the available Proxy Server for you.
  3. 3. Use system proxy settings. Click on this option and Firefox will use the proxy of the current operating system.
  4. 4. Manual proxy configuration. In this section, you have four types of proxy to choose: HTTP Proxy, SSL Proxy, FTP Proxy and Socks Host. In the correspondent field, input the IP address and the port. Moreover, you can input the localhost in the box of "No Proxy for" to make an exception.
  5. 5. Automatic proxy configuration URL. It requires you input the address of the PAC file. Each proxy configuration a PAC file, the web browsers and users can automatically choose the appropriate proxy to visite URL. Click OK to save changes.

automatic proxy condigurationur

Note: Click the Reload button to refresh the file if you have modified the PAC file.

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