1. Virtual Private Networks Manraj Sekhon

2. What is a VPN?

3. How It Works Uses Public Telecommunication Infrastructure (internet)

4. History of VPN’s Developed in the late 1990’s

5. Remote Access VPN User-to-Local Area Network Connection (LAN) Enterprise Service Provider  Network Access Server

6. Site-to-Site – Intranet Based LAN  WAN One or More Remote Locations

7. Site-to Site – Extranet Based Relationships such as a Partner, Supplier or Customer

8. Security Firewalls

9. Tunneling Designed to Provide a Secure, Encrypted Tunnel

10. Encryption Public-Key Encryption Symmetric – Key Encryption

11. IPSec or GRE Internet Protocol Security Generic Routing Encapsulation

12. Authorization User-Ids, Passwords and Controls

13. VPN Technologies NAS, Firewalls, PPTP, L2TP, IPSec, SOCKS etc.

14. Benefit - Scalability Add new user’s/offices/processes with Ease Mobile, can access from anywhere

15. Benefit - Security Firewalls, Encryption, Internet Protocols

16. Benefit – Cost Effective Cheaper than using Leased Lines

17. Drawback - Knowledge Requires extensive knowledge about public network security, encryption etc.

18. Drawback – Limited Control Reliance on ISP’s and Third Parties

19. Overall Connects Employees and Offices Around the World Extremely Mobile and Cost Effective

20. Time’s Up! About your speaker: Name: Manraj Sekhon