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VPNs Illustrated: Tunnels, VPNs, and IPsec Jon C. Snader
Publisher: Addison-Wesley Professional

The MAC-OSX Lion IPSEC We will start with a fully commented racoon.conf example based on the above information in order to illustrate how to configure an IPSEC VPN. We have Sophos UTM 9.1 as the "hub" gateway, in responder mode to a couple of site-to-site ipsec tunnels. Publisher: Addison-Wesley Professional. When the VPN connection is established between 2 parties (between a VPN client and VPN gateway or between 2 VPN gateways), a secured virtual tunnel will be created with capability to encrypt the data (so no hacker can see the data content ), preserve data integrity (no data change during transmission) and ensure the communication only happen between that 2 authenticated parties. Snader Language: English Page: 480. ISBN: 032124544X, 9780321245441. Remote Access VPN with Linux racoon and MAC-OSX. VPNs Illustrated: Tunnels, VPNs, and IPsec Jon C. If you use a Linux based router gateway, and MAC-OSX Mountain Lion, being able to created an IPSEC VPN tunnel back to your home site can be very useful. The remote access VPN is supported by L2F, PPTP, L2TP and IPsec tunneling protocols.