2. Flow of presentation Defining VPN Characteristics Types of VPN VPN Technologies Benefits of VPN Tradeoffs in VPN
3. What is VPN? A VPN is a private network that uses a public network (usually the Internet) to connect remote sites or users together.
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6. User VPN Remote vpn client Internet Tunnel formation Two way communication Vpn gateway Organization n User−to−LAN connection used by a company that has employees who need to connect to the private network from various remote locations.
7. Site VPN Internet Tunnel formation Two way communication Vpn gateway Organization n Remote site Through the use of dedicated equipment and large-scale encryption, a company can connect multiple fixed sites over a public network such as the Internet. Each site needs only a local connection to the same public network
11. Tradeoffs of VPN internet Internal network User computer Vpn channel Trojan horse sends traffic to internal n over VPN Vpn Server Attacker communicates with the trojan horse via the internet TCPP stack VPN s Trojan horse
