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  2. 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).

  3. Secure Socket Tunneling Protocol - Wikipedia

    en.wikipedia.org/wiki/Secure_Socket_Tunneling...

    In computer networking, Secure Socket Tunneling Protocol (SSTP) is a form of virtual private network (VPN) tunnel that provides a mechanism to transport Point-to-Point Protocol (PPP) traffic through an SSL/TLS channel.

  4. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2]A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.

  5. 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 ...

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  7. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    Tinc VPN daemon 657: Yes: IBM RMC (Remote monitoring and Control) protocol, used by System p5 AIX Integrated Virtualization Manager (IVM) [99] and Hardware Management Console to connect managed logical partitions (LPAR) to enable dynamic partition reconfiguration 660: Yes: Assigned: macOS Server administration, [2] version 10.4 and earlier [11 ...

  8. OpenVPN - Wikipedia

    en.wikipedia.org/wiki/OpenVPN

    OpenVPN has several ways to authenticate peers with each other. OpenVPN offers pre-shared keys, certificate-based, and username/password-based authentication.Preshared secret key is the easiest, and certificate-based is the most robust and feature-rich.

  9. TCP reset attack - Wikipedia

    en.wikipedia.org/wiki/TCP_reset_attack

    A TCP reset attack, also known as a forged TCP reset or spoofed TCP reset, is a way to terminate a TCP connection by sending a forged TCP reset packet. This tampering technique can be used by a firewall or abused by a malicious attacker to interrupt Internet connections.