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Virtual Private Network (VPN)

Virtual Private Network (VPN). Jeffery Jones James Santana BA479 March 15,2006. Introduction. What is a VPN How a VPN works Hardware for Establishing a VPN Setting up a VPN Types of VPN Why have a VPN connection Securing the client Questions. What is a VPN. Private network

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Virtual Private Network (VPN)

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  1. Virtual Private Network (VPN) Jeffery Jones James Santana BA479 March 15,2006

  2. Introduction • What is a VPN • How a VPN works • Hardware for Establishing a VPN • Setting up a VPN • Types of VPN • Why have a VPN connection • Securing the client • Questions

  3. What is a VPN • Private network • Created to address two problems • High Cost • Securely connecting

  4. How a VPN Works • VPN uses a special protocol • Tunneling • Exchanges Data • Data safely wrapped and unwrapped • Two types of encryption systems • Symmetric key encryption • Public key encryption These two types of encryption will be discussed more in depth in BA483

  5. Hardware for VPN • Desktop software client for each remote user • Dedicated VPN server for dial-up services • NAS (network access server) • VPN network policy-management center

  6. Setting up a VPN Some of the factors that should be considered in designing a VPN are: • Security • Reliability • Scalability • Network management • Policy management

  7. Setting up a VPN (continued) You can set up a VPN two ways: • Between networks and firewalls or encrypting routers to do the encrypting and decrypting of the traffic. • Have a firewall, encrypting router, or VPN server at the destination end and special VPN client software on the desktop or laptop computers.

  8. Reasons to have a VPN • Its fast • Its easy to take with you wherever you go • Its able to maintain security and keep you hidden from others (mainly hackers) • Its dependable

  9. Types of VPN There are three types of VPN • Remote-access • Site to site intranet • Site to site extranet

  10. Securing the Client • Breaking VPN Security • Laptop Owners Precautions: • Personal firewall • Enable BIOS password OSU VPN Setup

  11. Questions ? Too Bad…. Times Up!!!! References: http://computer.howstuffworks.com/vpn.htm http://www.vpnc.org/vpn-technologies.html http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/vpn.htm http://www.microsoft.com/technet/prodtechnol/windows2000serv/plan/vpnoverview.mspx http://en.wikipedia.org/wiki/Virtual_private_network

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