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USG20-VPN (USG Flex 50) cannot upgrade past 5.30
I have multiple customers using the USG20-VPN which are currently on 5.30 firmware. I have been unable to upgrade to any firmware version past that on any of them. Local upgrade or Cloud upgrade will not complete. When I log back into the device it acts like an upgrade was never attempted. The standby firmware does not…
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USG60 FW Upgrade
I tried to update a USG60 device but it doesn't work via web interface, USB, FTP. On FTP i get this errorr message: "update failed: Success" Is there any other way to upgrade? ftp> put c:\473AAKY2C0.bin 200 PORT command successful 150 Opening BINARY mode data connection for 473AAKY2C0.bin 226-firmware verifying...…
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Buffer overflow issue FAQ
Q1. What are the impact model and version for this buffer overflow issue? Affected series Affected version Patch availability ATP ZLD V4.32 to V5.36 Patch1 ZLD V5.36 Patch 2 USG FLEX ZLD V4.50 to V5.36 Patch 1 ZLD V5.36 Patch 2 USG FLEX50(W) USG20(W)-VPN ZLD V4.25 to V5.36 Patch 1 ZLD V5.36 Patch 2 VPN ZLD V4.30 to V5.36…
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Access Firewall USG20W
Good morning engineers, can you help me with this problem. Today I can't connect to the firewall via public IP. I am entering correct username and password. I can't even log in through ssh. Before I could do it and now I can't. any idea how to fix it. regards
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Getting "vpn connection authorization fail or authorize link expired" using Google Auth with IPSec
Hello all, We have been using an IKEv2 VPN connection with just 2 users for a few weeks now. We have Google Auth for 2FA. It was working fine. Now, every time we enter a Google Auth code we get "vpn connection authorization fail or authorize link expired." Nothing has changed. I'm still able to use a Google Auth code to…
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Log: Maximum sessions per host (1000) was exceeded
I receive loads of log messages that say that Maximum sessions per host (1000) was exceeded on a USG 100 device. Source and destination Can I un select the Enable session limit. Becuse no need funtion firewall with zyxel.
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Firmware update failed - Bad File Descriptor
Trying to update a USG110 to 4.7.3 and getting a file descriptor error when uploading via FTP. Any suggestion what this is referring so I can find a solution to update this device?
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2023/05/23 Urgent Patch Firmware Released to address Buffer Overflow Issues
i have just received a notification that a zero day buffer overflow is being widely exploited against Zyxel firewalls. Please immediately publish the information known so far to mitigate the threat. Which service is affected? Is there IOC for these attacks? Thanks Mario
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VPN 50 login issue
I received the email today about the firmware upgrade. I cannot get logged into either of my devices so that I can perform this. I am getting a 504 gateway timeout after I click login. Any ideas?
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USG FLEX 50 (USG20-VPN) Not able to update firmware on standby part
I've tried for some time now to perform updates on our standby partition (Running is 5.30ABAQ.0 with current standby at 4.64ABAQ.0) and each time running a firmware update from cloud or uploading a local file (latest 5.36 ABAQ.1) it appears to work and shows the pop up window with the counter, but the counter always keeps…
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Access local LAN with SSL VPN
Goodmorning
everyone I'm
new to the group. I introduce myself, my name is Maurizio from Italy I
have a problem configuring SSL VPN with the zywall 110. I'll
explain my configuration briefly I
have a LAN 192.168.2.0 connected to the zywall which in turn is connected to
the WAN to the ADSL network with public IP a.b.c.d.…
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USG1900 fail upgrade
I try to upgrade a USG1900 with running Version v4.72(AAPL.0) and standby version v4.39(AAPL.0) but it rollback. I try with running partition to upgrade to 4.73 but it fail. I try with standby partition to upgrade to 4.62 but it fail. I try factory reset and upgrade but same result, update fails. how to upgrade?
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ATP500 hängt bei Login Seite
Hallo, Wir haben bei der ATP500 die Problematik, dass keine VPN Verbindungen möglich sind. Beim Login Versuch auf der Weboberfläche , lädt die Seite lediglich ewig und nichts passiert. Gibt es hier evtl. einen Workaround? Neustart der Firewall habe ich schon durchgeführt - hat leider keine Besserung gebracht. Nach längerem…
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USG 110 - Problem in VPN / NAT scenario
Hello zyxel community, we have a site-to-site IPSec VPN Tunnel from our USG110 to a Fortigate Firewall of an application provider. No overlapping subnets . The tunnel connection is being built up successfully. At the same time we use a Windows RAS Server behind our firewall, for client VPN connections of mobile users via…
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ATP800 clones mac-address in internal lan
Hello. we just set ap an atp800 with latest firmware V5.36(ABIQ.2) / 2023-05-24 02:13:33 we are expiriencing a problem with spoofing mac addresses in lan just look at screenshot (d8-ec-e5-91-55-a2 - atp800 mac) please help, what option do we need to disable/enable in router? there is pic from wshark. why atp800…
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ZyWALL USG 100 Plus and TLS 1.2
Hello! Is it possible to enable TLS 1.2 on the ZyWALL USG 100 Plus? I know that it is old device and support closed but maybe exist some variants? (like this for the old USG 300 https://businessforum.zyxel.com/discussion/3477/zywall-usg-300-and-tls-1-2) Most popular browsers stop supporting TLS 1.0 and 1.1 and use modern…
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Problem with codecanyon.net
Hello there When I load Codecanyon.net to look for a plugin for the WordPress projects at the school I work for… All CSS gets stripped. When I load the website over 4G, it works fine. So, the Zyxel ATP800 is blocking something… Where should I look and how can I fix this? Kind regards Pieterjan Deneys
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Zywall USG100-Plus, Where to find the Firmware, Restarting every 15 minutes
Hello All, In December-2021 we bought a Zywall USG100-PLUS firewall VPN router, it worked fine for 10 days, after that it started to restart on its own every 15 or 20mins, I don't know what is the issue, also thought to update the firmware, but I am not able to find the firmware for the Zywall USG100-PLUSS, please do help…
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FLEX200 / recommended device temperature
Our FLEX200 reports back a constant, yet toasty 67°C CPU temperature (via Syslog, at info-level / severity: 4). The rack it sits in is in an air conditioned room, it has no active components next to it top or bottom and airflow is given. CPU average is reported as 6 (percent I guess) and memory at around 40. Is that a…
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I have no idea why this VPN is blocking only SOME traffic on a specific port
Hi, I've got a VPN300. I have no idea how old it is, it's an inherited hardware with my role. That said, I can see packets coming into the public side with the UI packet sniffer, but no corresponding packet leaving to the right destination. I'm sorry if I'm a bit unclear. I've been fighting with this for the last 9 hours…
