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The MP/CP server connection Fail
Question: Device can't on-board Nebula, the resut of connection test said: MP or CP server connection Test:Fail Answer: Please test following domain can be resovled "d-cp.nebula.zyxel.com" "d-mp.nebula.zyxel.com" If the issue still persist, please contact Zyxel Support
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How do I remove the Nebula firewall from the site and re-add it?
Question: How do I remove the Nebula firewall from the site and re-add it? Answer : Please refer to below steps: STEP1. Navigate to Organization-wide > License & inventory > Actions > Choose the Nebula firewall that you want to remove> Change site assignment STEP2. Choose "Remove select device(s) from their current site."…
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Do I need to completely reconfigure the firewall on Nebula when switching it to Nebula mode?
Question: If I want to switch from a Standalone configuration to a Nebula configuration, do I need to completely reconfigure the firewall? Answer: There are two Nebula modes: Cloud Mode and Cloud Monitoring Mode. Switch from Standalone mode to Cloud Mode There is no direct way to transfer your on-premise firewall…
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Is the VPN domain nebula-66xxxxxx.d2ns-nbl.com pingable?
Question: Is the VPN domain nebula-66xxxxxx.d2ns-nbl.com pingable? Answer: The domain resolves to either the firewall's WAN interface IP or the uplink router's public IP. By default, the firewall does not allow ping (ICMP) from the Internet. To enable ping, you need to create a security policy allowing ICMP traffic.
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[ATP/FLEX] How to shut down firewall on Nebula?
Question: How to shut down an turn off firewall on Nebula? Answer: You can reboot the firewall but not shut down or turn off the power on Nebula. [Nebula]How to reboot the firewall from Nebula?
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How do I change a firewall password?
Question: How do I change a firewall password? Answer: Nebula Mode (ATP/USG FLEX) On Nebula, go to Configure > Site settings > Device configuration. On-premises Mode (ATP/USG FLEX) Login to web GUI to the device and go to CONFIGURATION > Object > User/Group > User. You can change the password of selected Local…
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How long will the remote SSH session be maintained on the Nebula firewall?
Question: The user used to use the Remote SSH feature to debug the device. How long will the remote SSH session be maintained on the Nebula firewall? Answer: Once the remote SSH session is established on Nebula, it will remain active for 30 minutes. After 30 minutes, the user will need to re-establish the remote SSH…
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How long should I press the RESET button on Nebula firewall to restore factory default settings?
Question: How long should I press the RESET button on Nebula firewall to restore factory default settings? Answer: Press the button in for about 5 seconds (or until the SYS LED starts to blink), then release it to return ATP/USG FLEX device to the factory defaults.
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How to update the firmware to Nebula firewall via FTP?
Question : How to update the firmware to the Nebula by FTP? Answer : Please prepare a PC to connect to the firewall's LAN port and obtain a DHCP IP (for example, the assigned DHCP IP is 192.168.1.33 with the default gateway IP 192.168.1.1) from the firewall. Then, open the Command Prompt and access the FTP server through…
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Why Are We Receiving WAN Disconnection Alerts Despite Having an Internet Connection?
Question: We are getting WAN disconnection alerts from two of our sites, but our internet connection seems to be stable. What could be causing these alerts? Answer: The issue is caused by intermittent instability in the CP server, which pushes the configuration file to the devices and sometimes leads to false alert emails…
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How to find the local IP for USG FLEX H on Nebula?
Question: On Nebula, "Firewall" is not on the list of Configure. I cannot check the lan IP address of USG FLEX H. How to find the local IP for USG FLEX H on Nebula? Answer: You can also generate the IP address for remote connection in Devices > Firewall > Live tools > Remote configurator. Enter the generated IP address in…
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Is it possible to configure VPN for USG FLEX H device on Nebula?
Question: Is it possible to configure VPN for USG FLEX H device on Nebula? Answer: Currently, USG FLEX H series supports Cloud Monitoring Mode only on Nebula. You need to login to the web GUI to configure VPN. You can also generate the IP address for remote connection in Devices > Firewall > Live tools > Remote…
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How to Set Up Log Alerts for IP Reputation?
Question: How can I receive alerts for IP reputation logs via email? Answer: To receive email alerts only when there is a blocked IP reputation event, you will need to use an external syslog server. Here are the steps to set this up: * Set the firewall to send event logs to an external syslog server: * Access the…
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How can I change the negotiation speed via CLI on a Nebula-managed firewall?
Question: Is there a way to change negotiation speed via CLI on a firewall managed by Nebula? Or can it only be done in monitoring mode? Answer: Yes, you can change the negotiation speed using the Command Line Interface (CLI) on a Nebula-managed firewall. Here's how you can do it: * Start by accessing the CLI. * To view…
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Why is my firewall showing offline after installation?
Question: I've installed all the new equipment today, but the firewall cannot connect to the internet. After resetting and reinstalling it about three times, the network connection works. However, the app still shows the firewall as offline and it cannot be updated. All other devices are working fine, except the firewall.…
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Unable to login to USG FLEX H device using password in Device configuration on Nebula
Question: I cannot login to USG FLEX H device using password in Device configuration on Nebula. Answer: For USG FLEX H devices, you need to use the password of Local Administrator account to login. The password on Nebula is for switches and APs login only if the firewall is USG FLEX H in this site.
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Why does the NCC take a long time to search the logs?
Question: I'm trying to search logs from June 1st to June 30th, but the page isn't loading. I can only see the logs from the last 24 hours. Why is this happening? Answer: The issue you're experiencing is due to the large size of the event logs. To resolve this, try to shorten the event log search range. Instead of…
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[ATP/FLEX]How often will the Nebula firewall upload the CPU temperature information?
Question : How often will the Nebula firewall upload the CPU temperature information? Answer : Currently, the Nebula firewall uploads the CPU temperature information hourly. The user can navigate to the Event Log page to check the hourly CPU temperature information, as shown below:
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Missing all options to configure the firewall on Nebula
Question: I'm trying to configure my USG FLEX H on Nebula but "Firewall" setting is missing on Nebula. Answer: Currently, USG FLEX H series supports Cloud Monitoring Mode only on Nebula. [Nebula] How to manage USG FLEX H on Nebula? You can configure all other settings by accessing the web GUI.
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What is the password of support account?
Question: What is the password of support account? Answer: If the firewall is registered on Nebula but has never been online, you can use the serial number of your device using all capital letters (e.g. S21XXXXXXXXXX). You can find the serial number on the sticker under the device. If the firewall is online (or has ever…