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Course Outline

Fundamentals of VPN Sovereignty

  • Reasons why commercial VPNs log metadata and comply with legal requests.
  • OpenVPN: mature, feature-rich, offering TAP/TUN flexibility.
  • WireGuard: modern, minimal, providing high-performance cryptography.
  • Selecting the appropriate protocol for your specific threat model.

OpenVPN Deployment

  • Installing OpenVPN with Easy-RSA PKI.
  • Server configuration: cipher, HMAC, TLS-auth, and topology.
  • Generation and distribution of client configurations.
  • Revocation and CRL management.

WireGuard Deployment

  • Kernel module installation and WireGuard-tools.
  • Key generation and peer configuration.
  • Using wg-quick and systemd unit management.
  • Implementing road warrior and site-to-site mesh topologies.

Authentication and Authorization

  • Certificate-based authentication with OpenVPN.
  • LDAP and RADIUS backend integration.
  • Two-factor authentication using TOTP plugins.
  • Access control lists and per-user IP allocation.

Routing and Network Design

  • Distinguishing between full tunnel and split tunnel routing.
  • Configuring push routes, DNS, and WINS.
  • Implementing NAT and masquerading for egress traffic.
  • Managing Multi-WAN and policy-based routing.

Performance and Scaling

  • Comparing throughput benchmarks between WireGuard and OpenVPN.
  • Multi-core optimization and kernel bypass techniques.
  • Load balancing across multiple VPN servers.
  • Implementing DDoS protection and connection rate limiting.

Monitoring and Maintenance

  • Connection logging and bandwidth accounting.
  • Integrating Syslog and Prometheus exporters.
  • Automating certificate renewal and setting expiration alerts.
  • Executing disaster recovery and configuration backups.

Requirements

  • Intermediate knowledge of Linux networking and firewall administration.
  • Understanding of PKI, certificates, and encryption protocols.
  • Familiarity with routing, NAT, and IP forwarding.

Audience

  • Network administrators replacing commercial VPN services.
  • Remote work teams requiring sovereign secure access.
  • Organizations in regions subject to VPN blocking or surveillance.
 14 Hours

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