Download the latest Ultrasurf Firefox Extension (yes, it exists as a lightweight add-on) or run the standalone Ultrasurf .exe (which acts as a local proxy at 127.0.0.1:9666 ).
Unblocking the Web: Why the "Firefox + Ultrasurf" Combo Still Matters in 2026 firefox ultrasurf
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Combine Firefox + Ultrasurf with HTTPS Everywhere (now built into Firefox) and uBlock Origin to strip away trackers. The Verdict In a world where every VPN company wants your credit card and your data, "Firefox + Ultrasurf" is a breath of fresh air. It is open, it is free, and it works. Download the latest Ultrasurf Firefox Extension (yes, it
Select "Manual proxy configuration" .