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Implementing Virtual Private Networks

Eunice Avila English

Implementing Virtual Private Networks

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Implementing Virtual Private Networks

VPNs
- Benefits
  - Cost Savings
  - Security
  - Scalability
  - Compatibility
- Communications environment
  - Connects two endpoints
- Layer 3
  - Examples
    - Point-to-point connections
      - GRE
      - IPsec
        Allow
        Authentication
        Integrity
        Access Control
        Confidentiality
    - Any-to-any connectivity
      - MPLS
- Types
  - Remote-access
  - Site-to-site
IPsec
- Protects and authenticates IP packets
  - Between source and destination
- Flexibility framework
- Implementation examples
  - Security Associations (SAs)
    - Basic building block
- Confidentiality
  - Encryption Algorithms
    - DES
    - 3DES
    - AES
    - SEAL
- Integrity
  - HMAC
    - MD5
    - SHA
- Authentication Methods
  - PSK
  - RSA
Site-to-Site IPsec VPN
- IPsec Negotiation
- IPsec VPN
  - Security Policy
    - Encrypt traffic
    - Authenticate PSK
    - Exchange keys
  - Configuration
    - ACL
    - Tasks
- ISAKMP Policies
  - Pre-Shared Key
  - HAGLE
  - SAs
    - Hash
      - is SHA
    - Authentication
      - is pre-shared key
    - Group
      - is 24
    - Lifetime
      - is 3600 seconds
    - Encryption
      - is AES
- Crypto Map

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Description: Mind Map on Implementing Virtual Private Networks, created by Eunice Avila on 08/10/2017.
Created by: Eunice Avila · Oct 2017
Updated: Oct 9, 2017
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