Go to within the app to change your server region or enable specific features like IPSec tunneling , which can help with apps like Steam . Important Considerations
The client automatically learns about new access points to stay connected even if some are blocked. Multiple Protocols:
You likely have it set to run at startup. Open Psiphon, go to Settings, and uncheck "Launch Psiphon when Windows starts." psiphon.exe
It runs as a single executable without needing an installer. Digitally Signed:
Always download the file from the official Psiphon website or a trusted source to avoid maliciously repackaged versions . Go to within the app to change your
is a free, open-source censorship circumvention tool that uses a combination of VPN, SSH, and HTTP proxy technologies to provide uncensored access to the internet
When you launch psiphon.exe , it attempts to establish a secure, encrypted tunnel between the user's device and a Psiphon server. The primary goal is to make the traffic look like regular web traffic (HTTPS) or other innocuous data streams. This prevents Deep Packet Inspection (DPI) firewalls—sophisticated filters used by censoring regimes—from identifying the traffic as belonging to a circumvention tool. Open Psiphon, go to Settings, and uncheck "Launch
: Success rate under increasing packet-loss (simulated).
Even legitimate copies of psiphon.exe can cause technical issues. Below are the most frequent errors users encounter:
Every authentic version is signed by Psiphon Inc. to ensure its integrity. Can be run directly from a USB drive or a local folder. How it Works