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  2. 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 ...

  3. VPN service - Wikipedia

    en.wikipedia.org/wiki/VPN_service

    PC Magazine and TechRadar also suggest that users read the provider's logging policy before signing up for the service, [24] [3] because some providers collect information about their customers' VPN usage. [25] [26] PC World recommends that users avoid free services as a rule of thumb and said free services either sell their users' browsing ...

  4. Virtual private network - Wikipedia

    en.wikipedia.org/wiki/Virtual_private_network

    Virtual private network (VPN) is a network architecture for virtually extending a private network (i.e. any computer network which is not the public Internet) across one or multiple other networks which are either untrusted (as they are not controlled by the entity aiming to implement the VPN) or need to be isolated (thus making the lower network invisible or not directly usable).

  5. 5 Best Free VPNs for 2022 - AOL

    www.aol.com/5-best-free-vpns-2022-212241950.html

    Free VPNs are better than using none, but they have some downsides. Here are some risks that might be associated with using a free VPN. Unreliable service: Free VPNs are not as polished or ...

  6. Point-to-Point Tunneling Protocol - Wikipedia

    en.wikipedia.org/wiki/Point-to-Point_Tunneling...

    The Point-to-Point Tunneling Protocol (PPTP) is an obsolete method for implementing virtual private networks.PPTP has many well known security issues. PPTP uses a TCP control channel and a Generic Routing Encapsulation tunnel to encapsulate PPP packets.

  7. 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 ...

  8. Using VPNs without messing up your banking apps - AOL

    www.aol.com/using-vpns-without-messing-banking...

    Tech expert Kurt “CyberGuy" Knutsson says a VPN enhances online banking security by encrypting data and protecting privacy.

  9. Great Firewall - Wikipedia

    en.wikipedia.org/wiki/Great_Firewall

    They use the same basic approaches, proxies, and encrypted channels used by other circumvention tools, but depend on a private host, a virtual host, or an account outside of China, rather than open, free proxies. [102] Tor partially can be used in China. [102] [104] Since 2010, almost all bridges at TorProject.org are blocked through proxy ...

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