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Secure VPN Protocols for Encrypted Network Communication

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  1. VPN Kittiphan Techakittiroj engktc@au.ac.th

  2. VPN (Virtual Private Network) • Create a private network over the public network (Internet) • Encrypt packets (layer 2) to become “extranet” http://www.data.com/roundups/images/vpn_servers_figure1.html

  3. VPN Tunneling • Encrypt packets on one network • send encrypted packets over public network • decrypt packets and put it on the other network http://login.samart.co.th/~sanook/report/

  4. VPN VPN Topology • Two main kinds • Lan-to-Lan VPN • Firewall-To-Laptop VPN http://users.vnet.net/ids/vpn/topology.htm

  5. Reference Books Developing Secure Commerce Applications by Online O’Reilly Web Development Courses (http://208.233.153.3/oreilly/security/westnet: 1999)

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