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The PPTP implementation that ships with the Microsoft Windows product families implements various levels of authentication and encryption natively as standard features of the Windows PPTP stack. The intended use of this protocol is to provide security levels and remote access levels comparable with typical VPN products.
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).
MPPE provides data security for the PPTP connection that is between the VPN client and the VPN server. MPPE alone does not compress or expand data, but the protocol is often used in conjunction with Microsoft Point-to-Point Compression which compresses data across PPP or VPN links.
Open source and Linux: xl2tpd, Linux RP-L2TP, OpenL2TP, l2tpns, l2tpd (inactive), Linux L2TP/IPsec server, FreeBSD multi-link PPP daemon, OpenBSD npppd(8), ACCEL-PPP - PPTP/L2TP/PPPoE server for Linux; Microsoft: built-in client included with Windows 2000 and higher; Microsoft L2TP/IPsec VPN Client for Windows 98/Windows Me/Windows NT 4.0
Router and firewall for SMBs with network, gateway and server modules accessed through WebConfig. A paid registration for extra online services is available, but not necessary for operation of the product. Cumulus Linux: Active: Debian derivative? Free with registration, or paid subscription.
PPTP (Point-to-Point Tunneling Protocol) is a form of PPP between two hosts via GRE using encryption and compression . As a layer 2 protocol between both ends of a tunnel [ edit ]
In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. They can, for example, allow private network communications to be sent across a public network (such as the Internet), or for one network protocol to be carried over an incompatible network, through a process called encapsulation.
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 client or through PPTP. The Mac OS X, iOS, Android, Ubuntu, and Windows operating systems all have PPTP support built in.
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