VPN and IP sec Concepts

VPN and IP sec Concepts

1. VPN Technology

   • Virtual Private Networks
   • VPN Benefits
     • Cost Savings
     • Security
     • Scalability
     • Compatibility
   • Site-to-Site and Remote-Access VPNs
     • Site-to-Site VPN
     • Site-to-Site VPN
   • Enterprise and Service Provider VPNs
     • Enterprise VPNs
     • Service Provider VPNs

2. Types of VPNs

   • Remote-Access VPNs
     • Clientless VPN Connection
     • Clent-based VPN connection
   • SSL VPNs
     • Applications supported
     • Authentication strength
     • Encryption strength
     • Connection complexity
     • Connection option
   • Site-to-Site IPsec VPNs
   • GRE over IPsec
     • Passenger Protocol
     • Carrier Protocol
     • Trasport Protocol
   • Dynamic Multipoint VPNs
     • DMVPN Hub-to-Spoke Tunnels
     • IPsec Virtual Tunnel Interface
   • Service Provider MPLS VPNs
     • Layer 3 MPLS VPN
     • Layer 2 MPLS VPN

3. IPsec

   • Confidentiality
     • Integrity
     • Origin authentication
     • Diffie-Hellman
   • IPsec Protocol Encapsulation
   • Authentication
     • PSK Authentication
     • RSA Authentication
   • Secure Key Exchange with Diffie-Hellman
   • IPsec Transport and Tunnel Mode

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