2022---to-better-fight-against-censorship--proton-vpn-introduces-the-stealth-protocol May 2026

: Stealth disguises VPN traffic as "normal" web activity, specifically making it look like common HTTPS connections.

: Unlike many protocols that use UDP—which is easily flagged and blocked by firewalls—Stealth uses obfuscated TLS tunneling over TCP to stay undetected. : Stealth disguises VPN traffic as "normal" web

The primary goal of Stealth is to bypass sophisticated blocks that traditional VPN protocols (like OpenVPN or WireGuard ) often fail to penetrate. : Stealth disguises VPN traffic as "normal" web