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
- USG FLEX - SNMP Settings and Troubleshooting
- Overview of Helpful CLI Commands for USG Series (Best Practice)
- High CPU utilization with ZyWALL Security Gateway
- Connection is slow / drops sometimes on USG - what could it be? ( Session Limit )
Security Advisory
- TECHtalk - Starting with USG FLEX Basic 1: "Objects"
- Zyxel security advisory for local privilege escalation and authenticated directory traversal vulnerabilities of firewalls CVE-2022-30526, CVE-2022-2030
- Zyxel security advisory for authentication bypass vulnerability of firewalls
- Zyxel security advisory for command injection and cross-site request forgery vulnerabilities of select Armor home routers
- Zyxel security advisory for Apache Log4j RCE vulnerability CVE-2021-44228
- Directory traversal and command injection of VPN2S
HA - HA Pro
- Device HA - Firmware Upgrade hang / stuck with Loading - How to fix it?
- DeviceHA - Recovery of your HA Scenario without unbind it
- Device HA Pro redeploy
- USG/Zywall - How to replace a defect device in HA Pro
- Firewall - Configure Device HA Pro
- Device 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!
- SSO AGENT EOL Notice
- 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
NAT
VoIP
Firmware
- FAQ - Security Appliances and Services
- SSO Agent 2.0 - Supporting AD Windows Server 2019
- Application Patrol Signature issue of ATP & USG FLEX Series
- 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)
- FQDN - Firmware Upgrade Steps for devices updating from 4.39-4.55 Firmware Version
UTM Services
- Zyxel USG FLEX Series - Introduction and flexible configuration using licenses
- 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
- USG Series / License Phase Out and 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
- Firewall (Stand-alone & Nebula CC) - Configure the Built-in WiFi in Wireless Firewall Models
- Firmware Update\Upgrade Procedure 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)
- Security Policies on USG FLEX/ATP/VPN - Helpful tricks and tips
- Firmware 5.10 - ATP and USG FLEX on Cloud New Management Wizard
Routing
- Ask ALLY - why did they throw me out? We explain possible Internet issues
- 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 on a USG with Policy Routes
- WAN Failover with Mail Alert (USG Series FW 4.10)