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2. List of websites blocked in mainland China - Wikipedia

   en.wikipedia.org/wiki/List_of_websites_blocked...

   Chinese Firewall Test - Instantly test if a URL is blocked by the Great Firewall of China in real time. Tests for both symptoms of DNS poisoning and HTTP blocking from a number of locations within mainland China. China Firewall Test - Test if any domain is DNS poisoned in China in real-time. DNS poisoning is one way in which websites can be ...

3. Great Firewall - Wikipedia

   en.wikipedia.org/wiki/Great_Firewall

   For example, shortly after a VPN request is issued by a legitimate Chinese VPN client and passes outbound though the Great Firewall to a hidden VPN IP, the Great Firewall may detect the activity and issue its own active probe to verify the nature of the previously unknown VPN IP and, if the probe confirms the IP is part of a blacklisted VPN ...

4. Internet in China - Wikipedia

   en.wikipedia.org/wiki/Internet_in_China

   China replaced the U.S. in its global leadership in terms of installed telecommunication bandwidth in 2011. By 2014, China hosts more than twice as much national bandwidth potential than the U.S., the historical leader in terms of installed telecommunication bandwidth (China: 29% versus US: 13% of the global total). [7]

5. The best VPN services to protect your privacy in 2023 - AOL

   www.aol.com/lifestyle/best-vpn-services-protect...

   There are a few other caveats to using a VPN provider. First, because your internet connection will be routing through a secure server (the aforementioned "tunnel"), there's a performance hit.

6. Psiphon - Wikipedia

   en.wikipedia.org/wiki/Psiphon

   Psiphon is a free and open-source Internet censorship circumvention tool that uses a combination of secure communication and obfuscation technologies, such as a VPN, SSH, and a Web proxy. Psiphon is a centrally managed and geographically diverse network of thousands of proxy servers, using a performance-oriented, single- and multi-hop routing ...

7. VPN blocking - Wikipedia

   en.wikipedia.org/wiki/VPN_blocking

   VPN blocking is a technique used to block the encrypted protocol tunneling communications methods used by virtual private network (VPN) systems. Often used by large organizations such as national governments or corporations, it can act as a tool for computer security or Internet censorship by preventing the use of VPNs to bypass network ...