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A GPL'd port of Sun Microsystems Simple Key management for Internet Protocols
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An opensource project and software package for creating IPsec VPNs to and from Linux machines.
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Instructions on how to setup a IP tunnel under Linux
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VPN labs is an open community for researching, testing, reviewing, and discussing Virtual Private Networks. Linux VPN information section.
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Setting up a VPN with ssh and ppp.
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How to configure masquerading of IPsec and PPTP VPN traffic.
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Collection of Linux VPN HowTos and free software.
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Linux, FreeBSD and NetBSD client for the proprietary Microsoft Point-to-Point Tunneling Protocol, PPTP.
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Contains ssh-ppp perl script to set up a VPN.
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Describes how to create a VPN using ISAKMP and IPSec between OpenBSD routers.
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Multiplatform Ultra-Secure Operating System. Focus: portability, standardization, correctness, security, & cryptography.
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Creates an encrypted Virtual Private Network, or VPN, between two Tunnel Vision-capable sites on the Internet. Authentication is made as secure as possible by sending encrypted passwords first-time, and never thereafter.
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An improved version of ssh-ppp written in C
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A self-contained VPN solution designed to connect multiple sites together in a secure way.
