How to set up datacenter proxies with a Firefox browser?

Go to their official website https://www.mozilla.org/en-US/firefox/new/



• use the address bar and type in about:preferences and press “Enter” OR
• use the upper right hand corner of the screen and to click on the three vertical dashes. From there, use the context menu and move downwards until you reach “Settings”.



• scroll down to the network tab

• Click on the “Settings” button



In the connection settings window choose 'Manual proxy configuration'.



• We recommend using the HTTPS proxy bar instead of the regular HTTP one.

• Firefox only supports a single proxy server.
• There’s an option called “No proxy for” – you can input an address and proxies will not be applied when an internet connection is initiated to it.