WEBSITE: FORUM: MAKE SURE TO LEAVE A COMMENT AND SUBSCRIBE TO ALL MY .brHow to Change Proxy Settings in Mozilla Firefox If you wish to surf the Web anonymously, you need to use a proxy server to mask your IP address. To avoid .brThis tutorial shows you how to configure Proxy Settings in Mozilla Firefox. Prepared by 1.Open the menu in Mozilla Firefox, and click .brhow to change proxy in firefox.bras the title suggests this is a TuT video showing you how to MASK you ip address while you browse the internet, this does not change you actual ip which .