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Why use VPN?

  • Private access
    • Encrypt traffic
    • Secure connections
    • Anonymous IP address
  • Cyber security
    • Online threats
  • Virtual presence
    • Access the free world
    • Connect to any geo-restricted server

Examples of VPN

  1. OpenVPN
    • Supports SSL VPN
    • Not compatible with IPSec, L2TP, or PPTP
  2. Check Point Software Technologies
  3. Pulse Secure
  4. FortiClient Endpoint Protection

Types of VPN

  1. Remote access VPN
  2. Site-to-site VPN

Types of VPN Protocols

  1. Internet Protocol Security (IPSec)
    • Widely used protocol
  2. Layer 2 Tunneling Protocol (L2TP)
    • Widely used protocol
  3. Point-to-Point Tunneling Protocol (PPTP)
    • Fast, for streaming and basic web browsing
  4. Secure Sockets Layer (SSL)
    • Widely used protocol
  5. OpenVPN
    • Strongest encryption
    • Available in open source (community version), and closed source (commercial)