Zyxel USG FLEX H Series Handbook

Introduction to Site-to-Site IPSec VPN Configuration

This handbook provides detailed instructions for configuring secure site-to-site IPSec VPN connections on Zyxel USG FLEX H Series devices. The guide covers the essential steps for establishing reliable VPN tunnels between different network locations, ensuring secure data transmission.

The document outlines the process for setting up VPNs where peers have static or dynamic IP addresses, including scenarios where one site is behind a NAT router. It also details how to configure route-based VPNs and integrate with services like Tailscale.

Key security services such as content filtering, SSL inspection, and anti-malware measures are also discussed, along with authentication methods like two-factor authentication and Active Directory integration.

For comprehensive network management, the handbook includes sections on configuration file management, firmware updates, log server setup, and advanced features like WAN trunking and High Availability (HA) deployment.

Explore the capabilities of your Zyxel USG FLEX H Series device for robust network security and connectivity.

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