SSH is one of several protocols that the client may use. I asked the Psiphon folks how the protocol selection worked and received this response:īoth the Android and Windows clients automatically select the best transport protocol to use to connect to a Psiphon server. Psiphon clients are current available for Windows and Android and connect to the Psiphon network through a variety of transport protocols. Governments or other organizations attempting to censor the internet will try to detect circumvention methods like VPNs and proxies, which is what Psiphon seeks to avoid. Psiphon’s main aim is to hide the fact that it is being used at all. Even the TOR browser is easily detected by ISPs and can draw unwanted attention. There are obfuscation techniques that can be used such as Obfsproxy, or even just putting and OpenVPN server on port 443 goes a long way to hiding it within normal HTTPS traffic. When using a VPN, the act of using it is typically not hidden, but the contents of what you’re doing are. There is an understandable inclination to label VPNs and Psiphon as the same technology. Related: What’s the best VPN for Tor and how to combine them. If you want both privacy and anonymity combine both. If these drawbacks are not acceptable to you, it makes more sense to choose a good paid VPN service or TOR. Runs all of the Psiphon servers itself, although the code is open source and available on GitHub.Shares access data with its partners so they can see how often their sites are visited and from where.

Occasionally records additional usage data which will be disclosed on its Privacy Bulletin.Uses (injects) ads to support the service which use cookies and web beacons.Psiphon does not increase your online privacy, and should not be considered or used as an online security tool. To set the proper expectation, Psiphon states at the very top of its privacy policy the following: It’s aimed to help the citizens of countries deemed enemies of the Internet to ensure the entire internet is available, but Psiphon can be used anywhere internet access is being curtailed. Originally dubbed XP Psiphon, it does so by connecting a Windows desktop or Android device to the Psiphon censorship-circumvention network expressly for the purpose of circumventing internet censorship measures. Psiphon is a tool that aims to defeat internet censorship.

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