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Module 8: VPN and IPsec Concepts - Coggle Diagram
Module 8: VPN and IPsec Concepts
8.1.1 Virtual Private Networks
VPNs create secure, encrypted connections over public networks, allowing users to send and receive data privately.
SOHO stands for small office home office where a VPN-enabled router can provide VPN connectivity back to the corporate main site.
Cisco AnyConnect is software that remote workers can use to establish client-based VPN connection with the main site.
A Cisco Adaptive Security Appliance (ASA) firewall helps organizations provide secure, high performance connectivity including VPNs and always-on access for remote branches and mobile users.
The first types of VPNs were strictly IP tunnels that did not include authentication or encryption of the data
8.1.2 VPN Benefits
Security
Using advanced encryption and authentication protocols
Scalability
Easy to add new usser without adding significant infrastructure
Cost Savings
With the advent of cost-effective, high-bandwidth technologies, organizations can use VPNs to reduce their connectivity costs.
Compatibility
Can be implemented across a wide variety of WAN link options
8.1.3 Site-to-Site and Remote-Access VPNs
Site--to-Site VPN
VPN gateways are preconfigured with information to establish a secure tunnel. VPN traffic is only encrypted between these devices. Internal hosts have no knowledge that a VPN is being used.
Remote-Access VPN
A remote-access VPN is dynamically created to establish a secure connection between a client and a VPN terminating device.
8.1.4 Enterprise and Service Provider VPNs
Enterprise VPNs
Service Provider VPNs
