Security Infrastructure Overview - VPN
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Security Infrastructure Overview - VPN

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    Security Infrastructure Overview - VPN Security Infrastructure Overview - VPN Presentation Transcript

    • Security Infrastructure Overview - VPN Suresh Ramasamy
    • Agenda
      • What is VPN?
      • Types of VPN
      • SSL vs IPsec
      • Design Considerations
      • Questions?
    • What is VPN?
      • Virtual Private Network allows security connectivity, either one to one, or one to many.
    • Your Network
    • Why do you need VPN?
      • Secure access to your office
      • Secure tunnelling through public network from one site to another
      • Encrypted
      • To reach networks with private IP allocation (RFC1918)
    • Types of VPN
      • Remote Access VPN
      • Site to Site VPN
    • VPN – the big picture
    • Remote Access VPN
    • Site to Site VPN
    • SSL Based VPN
    • SSL vs IPsec
      • SSL requires browser with 128bit encryption support
      • IPsec requires client (Windows some exceptions)
      • Mode of authentication, supports digital certificate and password based authentication
      • Multi factor capable for IPSec (device dependent)
    • Design Considerations
      • Placement of VPN
        • Inside or outside of firewall?
      • Type of Authentication
        • Password vs. Digital Certs?
      • Factor of Authentication
        • Single Factor, Multi Factor, Token Based
        • One time passwords? (RSA SecurID)
    • Resources
      • http://mia.ece.uic.edu/~papers/volans/table.html
    • Suggestions?