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Duration 14 hours
Course Outline
VPN Sovereignty Fundamentals
- Why commercial VPNs log metadata and comply with legal demands.
- OpenVPN: a mature, feature-rich solution with TAP/TUN flexibility.
- WireGuard: a modern, minimalist approach with high-performance cryptography.
- Selecting the appropriate protocol based on your specific threat model.
OpenVPN Deployment
- Installing OpenVPN alongside Easy-RSA PKI.
- Server configuration: setting cipher, HMAC, TLS-auth, and topology.
- Generating and distributing client configurations.
- Managing revocation and CRLs.
WireGuard Deployment
- Installing the kernel module and WireGuard-tools.
- Generating keys and configuring peers.
- Managing wg-quick and systemd units.
- Implementing road warrior and site-to-site mesh topologies.
Authentication and Authorization
- Implementing certificate-based authentication with OpenVPN.
- Integrating LDAP and RADIUS backends.
- Enabling two-factor authentication using TOTP plugins.
- Setting up access control lists and per-user IP allocation.
Routing and Network Design
- Comparing full tunnel versus split tunnel routing.
- Configuring push routes, DNS, and WINS.
- Applying NAT and masquerading for egress traffic.
- Implementing multi-WAN and policy-based routing.
Performance and Scaling
- Comparing throughput benchmarks between WireGuard and OpenVPN.
- Optimizing for multi-core environments and kernel bypass.
- Load balancing across multiple VPN servers.
- Implementing DDoS protection and connection rate limiting.
Monitoring and Maintenance
- Logging connections and accounting for bandwidth.
- Integrating with Syslog and Prometheus exporters.
- Automating certificate renewal and setting expiration alerts.
- Managing disaster recovery and configuration backups.
Requirements
- Intermediate knowledge of Linux networking and firewall administration.
- Understanding of PKI, digital certificates, and encryption protocols.
- Familiarity with routing, NAT, and IP forwarding.
Target Audience
- Network administrators looking to replace commercial VPN services.
- Remote work teams requiring sovereign secure access.
- Organizations operating in regions with VPN blocking or surveillance.
