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Chapter 10 Virtual Private Networks

Chapter 10 Virtual Private Networks. VPN Defined. A segment of the public network made to appear part of a private network so that it can be used to carry private traffic securely Constructed by connecting two or more private networks using a tunnel. Types of VPNs.

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Chapter 10 Virtual Private Networks

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  1. Chapter 10 Virtual Private Networks

  2. VPN Defined • A segment of the public network made to appear part of a private network so that it can be used to carry private traffic securely • Constructed by connecting two or more private networks using a tunnel

  3. Types of VPNs • May be encrypted (IPsec) or nonencrypted (GRE) • May be formed using Frame Relay or ATM • Network layer VPNs include IPsec, GRE, and L2TP • Application layer VPNs include SSL and SSH • Intranet VPNs connect two or more private networks within the same organization • Extranet VPNs connect private networks belonging to more than one organization

  4. Types of VPNs based on OSI Model Layers

  5. Intranet and Extranet VPNs

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