Knowledge Base
1) Open FireFox browser
2) Click the icon ☰ and go to settings
3) Click the General tab
4) Scroll down up to Network Settings and click Settings
5) Check the Manual proxy configuration box
6) Type your Proxy address and IP port
7) Check the box Also use this proxy for all protocols (FTP and HTTPS)
8) Click OK
9) On the next step, paste your proxy credentials (login and password) and then click Sign in
10) Go to https://whoer.net to check your IP