Unlike standard VPNs that use a single protocol (e.g., OpenVPN or WireGuard), Psiphon 3 constantly tests different protocols in real-time. If the network detects and blocks SSH tunneling, Psiphon automatically switches to HTTP proxy or OSSH. This makes it extremely resilient against censorship.
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Psiphon 3 is a multi-protocol circumvention system. It differs from standard proxy services by utilizing a suite of technologies—including VPN (L2TP/IPSec), SSH, and HTTP Proxy—to establish a connection. This multi-layered approach is designed to find a functional path to the internet even when standard connection methods are unreliable. Unlike standard VPNs that use a single protocol (e
: Tunnels all your device's internet traffic through the Psiphon network. OpenVPN or WireGuard)