The primary goal of Stealth is to bypass sophisticated blocks that traditional VPN protocols (like OpenVPN or WireGuard ) often fail to penetrate.
: It establishes connections in a unique way that avoids alerting internet filters. The primary goal of Stealth is to bypass
In October 2022, Proton VPN launched its custom to combat advanced internet censorship . The protocol was developed in response to a significant surge in censorship attempts following the 2022 Russian invasion of Ukraine and protests in Iran. How Stealth Works The protocol was developed in response to a
: Unlike many protocols that use UDP—which is easily flagged and blocked by firewalls—Stealth uses obfuscated TLS tunneling over TCP to stay undetected. Key Launch Details Defeat censorship with Stealth, our
: It is built on WireGuard and compatible with Proton's "VPN Accelerator" technology, maintaining high speeds despite the extra layer of encryption. Key Launch Details Defeat censorship with Stealth, our new VPN protocol
: Stealth disguises VPN traffic as "normal" web activity, specifically making it look like common HTTPS connections.