Next Generation Firewall
We've got you covered from every angle. Network Security that's designed with multi-layer protection against threats from both inside and outside your network. Industry leading-edge technologies are used to eliminate blind spots even with encrypted traffic to create a safer access layer for your clients or your users. <br><br> <strong> <a href="https://security.zyxel.cloud/" class="submit-a-request button">LEARN MORE</a> </strong><br><br> <p></p>
Troubleshooting
- Office 365 / E-Mails couldn´t work | Incident 2/14 - Fixed
- Deep Insight - Tips & Tricks for Firewall Products
- VPN - Troubleshoot Site-to-Site VPN [Stand-alone mode]
- USG FLEX vs. USG FLEX H Series - Benefits
- Firewall - Troubleshoot Configuration Upload [Convert Tool]
- USG FLEX - SNMP Settings and Troubleshooting
Security Advisory
- Zyxel security advisory for multiple buffer overflow vulnerabilities of firewalls - Unstable VPN Connection & Webinterface Login Issues
- [SA] Security Advisory - command injection vulnerability in EMG2926-Q10A Ethernet CPE
- [SA] Security Advisory - command injection vulnerability in P660HN-T1A DSL CPE
- Security Advisory [Switches] - for DoS vulnerability of XGS2220, XMG1930, and XS1930 series switches
- Security advisory [NBG6604] - Zyxel security advisory for post-authentication command injection in NTP feature of NBG6604 home router
- Zyxel security advisory for pre-authentication command injection vulnerability in NAS products
HA - HA Pro
- Firewall High Availability [HA Pro] - Firmware Upgrade/Update hang or stuck with Loading
- DeviceHA - Recovery of your HA Scenario without unbind it
- Firewall High Availability [HA Pro] - Device HA Pro redeploy
- Firewall High Availability [HA Pro] - How to replace a defect device in HA Pro
- Firewall High Availability [HA Pro] - Configure Device HA Pro
- Firewall High Availability [HA Pro] - Do I need all licenses twice for an HA (high-availability) solution?
Unboxing and Initial Setup
VPN
Management
- Diagnostic and error analysis for Zyxel Firewalls - Guideline / Compendium
- Looking for an End-to-end Security Solution - Zyxel have it all, be it Standalone or Cloud Managed!
- How to connect SP350E Printer to USG FLEX series
- Firewall - Increasing Throughput / Speed Boost for WAN and VPN
- USG FLEX / ATP / VPN Series: Wireless Health
- USG/ATP/USG FLEX - Deleting a Config File that includes Special Characters
NAT
VoIP
Firmware
- FAQ - Security Appliances and Services
- SSO Agent 2.0 - Supporting AD Windows Server 2019
- Changing the downloadable firmware slot on ATP / VPN / Zywall / USG series routers
- Download Firmware from MyZyxel for your Security device (FLEX, ATP, USG, VPN, ZYWALL)
- I have an old firmware version on my USG/ATP/VPN and want to upgrade - what's the best way to do so?
- Increasing SSL VPN User Limit on ATP, USG & ZyWALL Series
UTM Services
- SSL Inspection & Security Services - Best Practice for Firewalls
- App Patrol - DNS over HTTPS blocking
- Cloud Email Security - Office 365 integration setup
- Astra App - What is it and why should you use it?
- IP Reputation, URL Threat Filter & DNS Threat Filter - What is it and how is it used?
- ATP / USG FLEX - Skip UTM activation in Wizard
DNS
Interfaces
- USG FLEX / ATP / VPN Series: Using Virtual Interfaces
- USG FLEX / ATP: Bridge Interface
- New usage of DHCP Table in USG FLEX/ATP/VPN Series
- How to setup a virtual interface for your WAN on a Zywall/USG
- Instructions for setting up a hardware ZyWALL USG series gateway using a static IP address for connecting to the Internet
- Using a public subnet for DMZ without SNAT in ZyWALL USG series hardware gateways
Licensing
- SecuExtender VPN - Perpetual License End of Life [EoL] / Phase Out [Annoucement]
- Licensing - Graceperiod
- Legacy USG Series - License Phase Out [EoL] & Free IDP Signature Information
- MyZyxel shows "no compatible product" message when trying to link my Antivirus/UTM license to my USG FLEX/ATP - What can I do?
- Migration to a Flex Product + License Transfer
- I cannot link my SSL client license on my ZyWall USG on myZyxel!
Firewall
- [BEST PRACTICE] Firewall Maintenance, Config Protection and CVE Attack Mitigation
- USG FLEX - SMS Notification (Email-to-SMS)
- Firewall (Stand-alone & Nebula CC) - Configure the Built-in WiFi in Wireless Firewall Models
- Firewall [USG/ATP/VPN] - How to Update/Upgrade Firmware on USG/ATP/VPN
- My default deny firewall rule is blocking my LAN traffic? Firewalls or routers WAN and LAN zone not separated properly
- Basic Configuration of Zyxel Firewall - Objects, Zones, NAT, VPN and more! (USG / FLEX / ATP)
Routing
- Firewall - WAN Failover using Policy Routes
- How to use the "Routing Traces" function on USG/ZyWALL devices?
- Policy Routes ( USG/VPN/ATP) - Different scenario usages & configurations
- Static Routes - What they are and when to use them (USG FLEX/ATP/VPN)
- WAN Failover with Mail Alert (USG Series FW 4.10)