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VTun
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<ul> <li>Free and open-source software portal</li></ul> <p>VTun is a networking application which can set up Virtual Tunnels over <a href="/facts/Internet_protocol_suite/KNkxtSpw">TCP/IP</a> networks. It supports <a href="/facts/Internet_Protocol/Qq6VeEal">Internet Protocol</a> (IP), <a href="/facts/Point-to-Point_Protocol/XLaU6D71">Point-to-Point Protocol</a> (PPP) and <a href="/facts/Serial_Line_Internet_Protocol/oqUaoA0f">Serial Line Internet Protocol</a> (SLIP) protocols. It exists as the reference implementation of the <a href="/facts/TUN%2fTAP/eE8Cgago">Tun/Tap</a> user-space tunnel driver which was included in the <a href="/facts/Linux/9FvCKSTq">Linux</a> <a href="/facts/Kernel_(operating_system)/uEj4U3Rz">kernel</a> as of version 2.4, also originally developed by Maxim Krasnyansky. Bishop Clark is the current maintainer. </p>