Proxy setup in Mozilla Firefox

Obtain the connection data (host, port, login/password): Getting started → Proxy setup
Learn more: HTTP/HTTPS, SOCKS5

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Firefox features

• Firefox has its own proxy settings that can be independent of the system proxy.

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Setup

1. Open Firefox.
2. Go to ≡ → Settings.
3. Under the Network section, select Settings….
4. Choose from:
   • No proxy
   • Auto‑detect
   • Use system proxy settings
   • Manual proxy configuration (select this option)
5. Fill in the fields:
   • HTTP Proxy: p2.mangoproxy.com, port 2333.
   • If using SOCKS5: select SOCKS v5 and enter the host and port.
6. If necessary, enable Proxy DNS when using SOCKS v5.

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Checking

• Go to https://2ip.ru or https://whoer.net and verify that the IP address has changed.

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See also:
Chrome • Edge • Opera • Yandex