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Why MAC addresses not displayed in SecuReporter Traffic Detail for H firewall?
Question: Why MAC addresses not displayed in SecuReporter Traffic Detail for H firewall? Answer: The absence of MAC addresses in SecuReporter's Traffic Detail is typically caused by high CPU utilization on the device. This occurs when the device frequently sends MAC address and hostname data to the SecuReporter server,…
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Which access points are supported by the USG FLEX H series?
Question: Which access points are supported by the USG FLEX H series? Answer: The USG FLEX H series (models 50H/HP, 100H/HP, 200H/HP, 500H, 700H) supports the following access points: IAP500BE WBE665S WBE660S WBE630S WBE530 WBE510D WAX655E WAX650S WAX640S-6E WAX630S WAX620D-6E WAX610D WAX510D WAC500 WAX300H WAC500H You can…
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How to configure routing on USG FLEX H?
Question: How do I set up routing on USG FLEX H? Answer: You can configure routing on USG FLEX H through the WebGUI. static route: Go to Network > Routing > Static Route. Click Add to create a new route. Enter the routing information: • Name: Route name • Destination: Destination network or host IP • Next-Hop: Next-hop…
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Can I determine which firmware version is pre-installed without booting up the firewall?
No, it is not possible to determine the pre-installed firmware version from the device label or packaging. The way to check the firmware version is to power on the device and log in to the web interface or CLI.
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Could I reorder Firewall Security Policy rules on Nebula via mobile browser?
No. Mobile browsers are not yet officially supported for Nebula's Security Policy sorting and reordering functionality. This feature is currently fully supported on desktop browsers only.
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How to Configure SecuReporter for Sending Weekly Reports?
Question: How to configure SecuReporter for sending weekly reports? Answer: To send periodic reports, such as weekly reports, to your clients via email in SecuReporter, follow these easy steps: Login to your SecuReporter account. 1. Navigate to History > Report > Report Settings. 2. Select 'Weekly Report' and click on…
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How to configure alert emails for admin and VPN user successful and failed logins on USG FLEX H?
Question: How to configure alert emails for admin and VPN user successful and failed logins on USG FLEX H? Answer: Login to the web GUI and navigate to System > Notification > Event Notification. In Event, select "Admin Login", "Admin Login Fail", "User Login" and "User Login Fail". Enter the email in Recipients. You will…
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Why is it recommended to select "Allow the Following Multicast Addresses" instead of allowing all IP
Question: Why is it recommended to select "Allow the Following Multicast Addresses" instead of allowing all addresses? Answer: Without proper management and control, multicast traffic can impose an unnecessary load on the network, potentially degrading overall performance and user experience. By creating an address object…
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How do I distinguish between the "Upstream" and "Downstream" interfaces for IGMP configuration?
Question: How do I distinguish between the "Upstream" and "Downstream" interfaces when configuring an IGMP Proxy? Answer: Upstream Interface: This should be set to the interface connected to the multicast server or source (Streamers). Downstream Interface: This should be set to the interface connected to the multicast…
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Why are the firewall admin 2FA login codes being rejected by the firewall?
Question: Why are the firewall admin 2FA login codes being rejected by the firewall? Answer: This issue usually occurs if the mobile phone's clock is off by even a minute or two. The Google Authenticator app relies strictly on precise time-synchronization to generate valid tokens. How it works: Both the client device and…
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How to Assign Port P2 on USG FLEX 200H to a VLAN?
Question: How to Assign Port P2 on USG FLEX200 H to a VLAN? Answer: If you want to assign port P2 of your USG FLEX 200H to a VLAN instead of using it as a WAN port, follow these configuration steps: Access the ge2 interface configuration and set its zone to "None". Ensure there are no references tied to the ge2 port. Once…
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How do I enable the Dark Mode on the USG Flex H?
Question : How do I enable the Dark Mode on the USG Flex H? Answer : The user can navigate to the GUI path in the upper right corner and click the Settings icon to enable Dark Mode, as shown below: STEP1. Enable Dark Mode STEP2. Dark Mode is enabled.
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How to Fix Dashboard Error Code 500 on USG FLEX Devices?
Question: The error message "Failed to load interface list Error Code: (500)" sometimes appears after updating to firmware version V1.38 on USG FLEX devices. How to fix dashboard Error Code 500 on USG FLEX devices? Answer: This issue was identified as a bug. The fix will be included in the next official firmware release…
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uOS 1.38-Modern Web Filtering: Generative AI Content Category
Zyxel has introduced a dedicated Generative AI category within its Content Filtering service to help organizations manage access to AI platforms. As AI tools for text, audio, and video generation become more widely used in both business and personal environments, companies may need to monitor or restrict access to these…
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How do I add multiple UDP and TCP ports to a service object on USG FLEX H?
Question: How do I add multiple UDP and TCP ports to a service object on USG FLEX H? Answer: Service Objects include both "Service" and "Service Group". You can first create individual Service objects (single port or port range), then create a Service Group and add the required Service objects into that group.
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How can I review firewall policy/rule changes in Nebula?
Question: How can I review firewall policy/rule changes in Nebula? Answer: In Nebula, go to Organization-wide > Manage > Change log. This page shows the administrator name and the configuration page where the change was made. Use time range and keywords to locate specific firewall rule changes quickly.
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Why Doesn't the Captive Portal Display Users in the User Section on Nebula?
Question: When using the Captive Portal with the USG FLEX H series on Nebula, users are not displayed in the User section. Is this normal behavior? Answer: This behavior was identified as a bug. The fix will be included in the next official firmware release (version 1.39), scheduled for release around July 2026.
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Where can I find Live Tools on the firewall page?
Question: Where can I find Live Tools on the firewall page? Answer: In Nebula, go to Site-wide > Monitor > Devices > Firewall, then open the target firewall to access Live Tools.
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Can I add additional memory to the USG FLEX 200H?
Question: Can I add additional memory to the USG FLEX 200H? Answer: No. Additional memory upgrade is not supported on USG FLEX 200H, and the hardware design cannot be changed.
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Why is the "INTERFACE" category missing from the Nebula event log filter?
Question: Why is the "INTERFACE" category missing from the Nebula event log filter? Answer: The "INTERFACE" category is not defined in the Nebula event log filter as per its current specifications. However, interface-related logs can still appear because the logs are not directly filtered at the device level. Specifically,…
