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Configuration migration best practice
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💡Duo Security Authentication Integration Guide
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💬 Your Firewall Story Could Earn You $35 Across Two Platforms!
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Secure Start with Zyxel x Tailscale 🎁 Get 6 Months of Tailscale VPN Free, Before Oct.!
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[Trade-Up Program] 🔄 Time to Trade Up: Say Goodbye to Legacy USG, Hello to Next-Level Securi…
Time to Trade Up: Upgrade Your Legacy USG and Unlock a Powerful New Experience.
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USG20W-VPN - Where is the one-to-many NAT rule?
Hello community; I've setup this firewall as a trivial home router, allocating all ports to the same interface and using them as a switch, and the WAN port connected to my ISP. Straightforward and no hassles but I noticed that I couldn't find any NAT or firewall rule that would allow my LAN to access the internet despite…
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porta 443 bloqueada
sem acesso ao nebula, firewall bloqueando porta porta 443 geral, porem nao foi feito nenhum tipo de alteração nas regras, sem acesso local ao usgflex500 e sem sincronizacao com nebula.
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USG20W-VPN - are there known reasons for 5G wireless flapping?
Hello community; I recently 'inherited' a USG20W-VPN firewall and have been exploring how to use it. One problem I'm hitting since the first moment is that the internal AP, when using the radio profile for 5GHz, keeps flapping on and off every couple of minutes, even with the simplest configuration applied via wizard, at…
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VPN Tunnel Blocked Due to IP Being Blacklisted, Adding IP to Allow List Doesn't Fix It
Hello, On Monday we had an issue with our main Public IP getting on the Spamhaus blacklist. The underlying issue was resolved on Tuesday and the IP was removed from the blacklist. Fast forward to Thursday and one of our site-to-site IPSec VPNs stopped working. Oddly enough, the interface shows a green globe like the…
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Problem loading a .conf configuration file onto an ATP200.
Good morning. I am having trouble uploading a .conf configuration file to an ATP200 after exporting it from another ATP200 running the same firmware version. When I upload the file, the standard "upload in progress" message appears, but it takes about 10 minutes before the 5-minute countdown even begins. Once those 5…
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Configuring a new Flex 100
I'm trying to set up a Flex 100 to connect to a Vodafone fibre broadband service. I've registered it on Nebula and am trying to configure it through there. My first issue is that Nebula is not showing all the options I'm expecting to see. How do I configure objects, for example? Secondly, the connection isn't working, I am…
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Jonges meiden kan iemand mij helpen
Ik kwam dit in mijn logs tegen is het raak of kan ik na pasword veranderen door? Is dit iets dat direct een beveiligingsrisico vormt, of is het veilig om alleen mijn wachtwoord te wijzigen?
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Request for legacy firmware versions from V4.20 to V4.70
Hello, I have a Zyxel USG310 currently running firmware V4.10 and I would like to upgrade it to the latest available version, V4.73(AAPJ.2)C0. Since the currently installed firmware is very old, I would prefer to perform the upgrade gradually rather than jumping directly from V4.10 to V4.73. Unfortunately, the Zyxel…
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FLEX100H HTTPS traffic incorrectly NATed to LAN
We have a USG FLEX 100H (currently on firmware 1.39) with an IKEv2 Remote Access VPN configured in Full Tunnel Mode and Auto SNAT enabled for macOS clients using the native macOS VPN client and a .mobileconfig profile generated by the appliance. Observed behavior: When a macOS client connects via IKEv2 VPN: The Mac can…
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[USG20W-VPN] Auth. Settings & WPA2-Enterprise
Hello, While configuring built-in AP security mode to WPA2-Enterprise, I cannot change the authentication method from "default" to "radius" (which is configured in Object → Auth. Method). The field is grayed out. How to achieve this ? Thanks, Chris
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Something odd with having a bridgemode domain on old USG V4.73(AAKY.2)
So on my USG60 is my backup DNS that does recursion lookups no forwarders needed. I did know that for some reason CloudFlare has bridgemode.com and bridgemode.net but not bridgemode.network or bridgemode.co.uk which are now mine. But if I do a lookup to USG60 for bridgemode.network or bridgemode.co.uk I get Header: ID=1,…
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EOL ATP500
I need EOL ATP500. Thanks
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ha sync failed my certificates - Flex 500 (not H)
i cannot sync 2 FW's, always comes back with that - yet it shows succeeded in the gui, but i can see on the shell its not the actual config from the active unit. [2026/8/20 12:16:39] sync.c:3660: Retrieving version Certificates for My CERT has succeeded [2026/8/20 12:16:41] sync.c:3402: Retrieving Certificates for My CERT…
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USG FLEX 100AX FW 5.43(ACFN.0) Forces ADMIN Password Reset Every Login
I updated firmware V5.43(ACFN.0) to Partition 1 and left 5.40(ACFN.0) in Partition 2. Every time I login to 5.43(ACFN.0) it claims my password has to be changed but the status shows it was changed recently and expires in 2027. When I log into 5.40(ACFN.0), this does not occur. I seem to recall this issue previously, but…
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Report false positive for Reputation Filter
Our business website is marked as phishing, probably due to the unique domain name. https://my.host The domain my.host is recently registered, but is marked as phishing. This is false positive, as we are a legit company. Where can I report this? I also checked https://threatintelligence.zyxel.com/checker, but I cannot mark…
