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2. 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. Many modern VPNs use various forms of UDP for this same functionality.

3. Virtual private network - Wikipedia

   en.wikipedia.org/wiki/Virtual_private_network

   Virtual private network. A virtual private network ( VPN) is a mechanism for creating a secure connection between a computing device and a computer network, or between two networks, using an insecure communication medium such as the public Internet.

4. OpenVPN - Wikipedia

   en.wikipedia.org/wiki/OpenVPN

   VPN. License. GNU GPLv2 [10] Website. openvpn .net. OpenVPN is a virtual private network (VPN) system that implements techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It implements both client and server applications.

5. Microsoft Point-to-Point Encryption - Wikipedia

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

   Microsoft Point-to-Point Encryption (MPPE) encrypts data in Point-to-Point Protocol (PPP) -based dial-up connections or Point-to-Point Tunneling Protocol (PPTP) virtual private network (VPN) connections. 128-bit key (strong), 56-bit key, and 40-bit key (standard) MPPE encryption schemes are supported. MPPE provides data security for the PPTP ...

6. Layer 2 Tunneling Protocol - Wikipedia

   en.wikipedia.org/wiki/Layer_2_Tunneling_Protocol

   Windows implementation. Windows has had native support (configurable in control panel) for L2TP since Windows 2000. Windows Vista added 2 alternative tools, an MMC snap-in called "Windows Firewall with Advanced Security" (WFwAS) and the "netsh advfirewall" command-line tool. One limitation with both of the WFwAS and netsh commands is that ...

7. Point-to-Point Protocol - Wikipedia

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

   In computer networking, Point-to-Point Protocol ( PPP) is a data link layer (layer 2) communication protocol between two routers directly without any host or any other networking in between. It can provide loop detection, authentication, transmission encryption, [1] and data compression . PPP is used over many types of physical networks ...

8. VPN service - Wikipedia

   en.wikipedia.org/wiki/VPN_service

   A virtual private network ( VPN) service provides a proxy server to help users bypass Internet censorship such as geo-blocking and users who want to protect their communications against data profiling or MitM attacks on hostile networks. A wide variety of entities provide "VPNs" for several purposes. But depending on the provider and the ...

9. VPNBook - Wikipedia

   en.wikipedia.org/wiki/VPNBook

   The service connects to a VPN via OpenVPN client or a PPTP connection. There are minimal variety of geographic locations. Available servers include the United States, Canada and Romania. [2] [3] VPNBook can be used to bypass some governmental restrictions. [4] The service can be connected to by two ways, by connection via a third-party OpenVPN ...