Welcome to the Firewall FAQ section of Zyxel's technical portal. Firewalls are critical for protecting your network from unauthorized access and cyber threats. Whether you are configuring security policies, troubleshooting connectivity issues, or optimizing performance, this guide provides answers to the most common questions about Zyxel firewalls. Our goal is to help you maintain a secure and efficient network environment.
Frequently Asked Questions |
Critical Updates
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Beta Area
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Introduction to the device
Easy Support Assistance
This information helps us when you raise a Support request!
- USG FLEX H Series [Firewall] - How to create a Diagnostic File
- USG FLEX H Series [Firewall] - Packet Capture
- Zyxel USG FLEX H [Firewall] - Bootup Status Introduction on USG FLEX H Series Firewall
License Selection
Find a suitable license for your Zyxel device!
VPN Overview
Security services
- Zyxel Virtual Server (Port Forwarding) [NAT] - how to configure Virtual Server (Port Forwarding) on the Zyxel USG Flex H Series firewall
- Zyxel Firewall [NAT] - how to configure NAT 1 to 1 (Network Address Translation ) on the Zyxel USG Flex H Series firewall
New features
- 2FA with REINER SCT Authenticator
- Zyxel USG FLEX H Series [Firewall] - Protection Key Features Overview
Troubleshooting
For more information browse through our article section: Click to start!