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How to install an NTP Server inside the USG Flex H firewall?
Question: How to install an NTP Server inside the USG Flex H firewall? Answer: you can configure the USG FLEX H firewalls to function as an NTP server for your internal devices via the CLI using the following commands: edit running running config# / vrf main ntp server-subnet <priority> {allow| deny}{CIDR subnet| all}…
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How can I show the correct location of the H Firewall?
Question: How can I show the correct location of the H Firewall? Answer: Nebula detects the firewall's location by Cloud management IP. If you want the map to show the correct location in Site-Wide > Firewall page, please click Position Device, and select "Use the following address or coordinates", enter the complete…
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Why I can't upgrade firmware by cloud firmware management?
Qustion: Why I can't upgrade firmware by cloud firmware management? Answer: Please check the event log if there is a log "[Nebula] Automatic firmware update was unsuccessful. Please reboot the device first, then do the firmware update".It means the firewall requests a reboot to release the memory to download the firmware…
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Why I always get CPU core 3/4 as 100% usage when using standard MIB?
Question: Why I always get CPU core 3/4 as 100% usage when using standard MIB? Answer: The utilization values for cores 3 and 4 obtained using the standard MIB do not represent their true utilization. Currently, the Zyxel proprietary MIB is required to obtain the average utilization of the fast-path CPUs (cores 3 and 4).
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Why Can’t Non-Admin Users Access the Firewall WebGUI?
Question: Non-admin users are unable to log in to the firewall. What is causing this behavior, and how can it be resolved? Answer: Non-admin login access will be denied when the Captive Portal function is disabled. If Captive Portal is turned off, the system will automatically block login attempts from non-admin accounts.…
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Why does the WebGUI allow moving rules but the CLI does not?
Question: Why does the WebGUI allow moving rules but the CLI does not? Answer: The WebGUI uses a different mechanism. When you move a rule in the GUI, the system does not directly change the priority of a single rule. Instead, it rewrites the entire rule list in the background to reflect the new order. This behavior is…
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I can't convert ZLD configuation to H Firewall with Sensitive Data Protection enabled.
Question: I can't convert ZLD configuation to H Firewall with Sensitive Data Protection enabled. Answer: When Sensitive Data Protection is enabled, the online converter cannot decode it, so please disable Sensitive Data Protection before downloading the configuration for conversion.
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How can I transfer H Firewall config to a different Nebula org site?
Question: How can I transfer H Firewall config to a different Nebula org site? Answer: When a USG FLEX H series firewall is transferred to a new organization or site in Nebula, its configuration does not automatically transfer and will be reset to default upon removal from its original organization/site. To ensure…
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Will the site password be cloned when a new site is cloned from an existing site in Zyxel Nebula?
Question: Will the site password be cloned when a new site is cloned from an existing site in Zyxel Nebula? Answer: Yes, the site password will be copied to the new cloned site as part of the cloning process. This feature ensures that the cloned site retains the same device management settings for consistency across your…
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What’s the Behavior of Nebula Upgrading Firmware?
Question: What’s the Behavior of Nebula Auto-Upgrading Firmware in Monitor Mode? Why does the Nebula system auto-upgrade firmware when my device is in Monitor Mode? Answer: When a Zyxel firewall is connected to Nebula—regardless of whether it is in Nebula Mode or Monitor Mode—the firmware management settings in Nebula…
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Is there any way to pause the HA failover count?
Question: Is there any way to pause the HA failover count? Answer: We can pause the HA failover count by using the CLI command cmd device-ha failover pause-count disable.
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How to clear the device HA failover count to avoid reaching the maximum failover limit?
Question: How do I clear the device HA failover count to avoid reaching the maximum failover limit? Answer: We can clear the failover count by using the CLI command cmd device-ha failover pause-count clear.
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How do I check if coredump files have been generated on the firewall?
Question: How do I check if coredump files have been generated on the firewall? Answer: We can check whether the firewall has generated any coredump files by using the CLI command show dir coredump.
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How to know how many accounts are logged in to the firewall at this moment?
Question: How do I know how many accounts are logged in to the firewall at this moment? Answer: We can check the logged-in users by using the CLI command show users.
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How to check the device running and standby partition firmware versions?
Question: How do I check the device running and standby partition firmware versions? Answer: We can check the firmware versions by using the CLI command show version.
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How to show the external USB storage information?
Question: How do I show the external USB storage information? Answer: We can check the external USB storage information by using the CLI command show usb-storage.
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How to check the system uptime?
Question: How do I know the system uptime? Answer: We can check the system uptime by using the CLI command show system uptime.
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How to view all the standby partition configuration files using the CLI?
Question: How do I view all the standby partition configuration files using the CLI? Answer: You can check the standby partition configuration files using the following CLI command: show dir config-file-standby
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How to check the firewall dashboard's brief information?
Question: How do I check the firewall dashboard's brief information? Answer: You can check the firewall dashboard's brief information using the following CLI command: show gui dashboard system information
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How to check the firewall's overall resource usage?
Question: How do I check the firewall's overall resource usage? Answer: You can check the firewall's overall resource usage using the following CLI command: show gui dashboard resource usage