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Nebula Registration pop-up window
Dear Team, I have a 200H, that is registered in Nebula, and I can see it there, still whenever I log in to the standalone GUI, I get this pop-up window: Is there a way to get rid of this somehow?
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Interface offline after V1.35(ABZH.2) update
After the automatic firmware update to version V1.35(ABZH.2), clients connected to certain internal interfaces no longer had internet connectivity. I simply modified the "description" field of the internal interface and pressed “apply” and everything returned to normal. The customer's firewall is a 500H. We have…
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Flex 100H IPSec Remote Access VPN windows config issue
Zyxel Community, I need help making VPN configuration adjustments. The scenario. I have a client using the new USG Flex 100H configured with IPSec Remote Access VPN. On the clients, I am using the Windows VPN utility and it was configured with the provided batch script and security certificate that was downloaded from the…
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USG Flex H device - Backup/Restore configuration between device
Hello everyone, I have an USG Flex 100H and also an USG Flex 200HP. It's possible to pass all the configuration from the 100H to 200HP? It's possible to backup the 100H configuration and restore it - as is - to 200HP? Thank you
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[USG FLEX 100H] IP Reserved on local DHCP Server and NULL as HostName in the DHCP Log
Hello everyone, I have a problem into DHCP Log section. When a device with IP reservation try to obtain an IP from the interface's DHCP Servers, into the log appear the HostName as "(NULL)". For Example: DHCP server assigned 192.168.0.21 to (null)(AB:CD:EF:GH xxxx) DHCP server assigned 192.168.0.8 to (null)(AB:CD:EF:GH…
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SSL VPN with multiple address pools on Zyxel USG Flex 100H
I have a Zyxel USG Flex 100H with an SSL VPN configured on the default pool. My LAN uses two separate subnets, each with a dedicated server. Is it possible to configure the SSL VPN to handle multiple address pools so that both subnets can be accessed?
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SecuReporter - ADDS User Logs - Web Content Filter
Hello everyone! @Zyxel_Melen, I'd like your help evaluating my case. I have a Nebula Pro license, and my USG FLEX 500H firewalls are properly registered. Although the current firmware version of the USG FLEX 500H doesn't support the SSO agent, I configured the necessary settings so that my Active Directory and certain user…
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FQDN Expire cache by TTL look back and questions
So I have used FQDN in the past a lot and back when it was released had asked for some changes some was done others were not. One of the changes was when FQDN TTL is 0 and gets removed from the Cache that the firewall session continues which I'm guessing hold true for FLEX H? The other problem was BWM like on my VPN300…
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Flex 500H manual migration of user account configurations
This is already my second consultation regarding migrating the configuration from USG Flex 200 to Flex 500H. This time, I am trying to migrate part of the configuration related to user account definitions (including passwords). I have successfully extracted the necessary information from the Flex 200 configuration file and…
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FLEX700H and IPSEC VPN with MFA via e-mail code
I have a Flex700H and i have setup IPSEC VPN for remote users to connect. When i turn on MFA for each user the only option that is available is Google Auth APP. I prefer MFA with a authorize e-mail sent to that users e-mail to click auth I do not user secure extender client due to cost and want to use the native IPSEC VPN…
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Flex500H IPSec VPN Issue
Hi all, Here's my problem: It's not possible to connect remotely to the IPSec VPN (client to site) if the peer IP address is not the main one. (Configured as secondary in my scenario). Never had problem with usg/atp using wan virtual intercaces. Is it a normal behavior on H Series? Regards Lorenzo
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[USG Flex 100H] - DHCP not release any IPs for Interface (randomly)
Hello everyone, I have an USG Flex 100H with the latest firmware, and in the night I always switch off my network devices (router, firewall, access point). In the morning, when I switch back its, sometimes - randomly - the firewall not release any IPs via DHCP for an Interface - also randomly - (sometimes no IPs for LAN…
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OAuth2 do works on FLEX H series?
hello everyone I have sold some USG Flex H (200 and 500) and I'm unable to configure OAuth2.0. Just one of them works. Everything seems to look fine (valid token acquired) but when the firewall try to send an e-mail it gets "msmtp: authentication failed (method XOAUTH2)". please help! 😥
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I' cant update some 700H
I need to update different flex700H. What should I do? Thanks
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H series 1.35 Patch1 - Missing Mac filtering for SSIDs
Hello everyone, using Flex/ATP series you can configure specific MAC filtering for specific SSID. For example you can set more SSIDs with optional deny/allow lists. Where the same function is on Flex H series with latest firmware? Have a nice evening
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Static IP assignation for SSL VPN clients
Hello. How to assign specific static IP adrress for SSL VPN clients, for example based on username/password? I have Split Tunnel configuration with two local networks and one client network pool. I would like to assign static IP for every VPN client so it will help me to analyze Security Reports and identify problematic…
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setup vpn subscription
I'm looking to setup active directory credentials for use as vpn. using the vpn subscription license. Cannot seem to find the steps to perform the task. Can someone point me in the right direction? also, how do I get the master vpn license so the activation email will read hostname@company.com?
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URL filter 2k reports in the mornin - USG FLEX 200H
After logging into the device, I have over 2,000 URL threat reports 2025-09-08 07:31:45 194.36.32.201/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/16.0.19127.20192/a640_exp.cab Spam URLs 194.36.32.201 2025-09-08 07:31:45 194.36.32.201/filestreamingservice/files/d8e5a058-a962-49d1-a201-a691c531ba6d/pieceshash Spam…
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same VLAN on WAN and LAN
Hello! Is it allowed to create VLANs with the same VLAN ID on an internal interface and on an external interface? AFAIK it is not possible to have the same VLAN ID on two WANs but i don't know in the case described above
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VPN between USG110 and smartphone
I need to set up a VPN between a USG110 and my iOS smartphone so I can query the IP addresses on LAN1 from the phone. What type of VPN should I use?