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VPN IPsec site-to-site disconnects
Hello everyone. I have a site-to-site IPsec VPN between two Zyxel firewalls: USG Flex 100 and USG 110. It disconnects in randomly for no reason. Can anyone give me some advice? Thanks
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USGFLEX50 firmware upgrade
Hi, I have a USGFLEX50 that needs to be updated. Current firmware is V5.30(ABAQ.0) I tried to upload the versions: 5.36(ABAQ.2) or 5.32(ABAQ.0) or 5.31(ABAQ.0), but I always get the same message Firmware not compatible. How can I solve the problem. Thanks !
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ATP 800 half ipsec tunnels don't up after reboot
After hang and restart half of ipsec tunnels don't up with ZW 1000. Need manually change passpharase to cert or from cert to passphara. After that tunnel is build On 1000 error On ATP Recv:[NOTIFY:INVALID_SIGNATURE]
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Broudcast 224.0.0.1 von dem Gateway vor Zyxell Flex 100 schreibt log voll
Hi, Geräteanordnung ISP - DigiBox(10.0.0.1) - Zywall(10.0.0.100;192.168.2.1) - Im log taucht folgendes auf … 10.0.0.1 224.0.0.1 notice secure-policy ACCESS BLOCK Match default rule, DROP Ich habe diverse Regeln eingefügt, zB habe ich Source 10.0.0.1 bzw. Destination 224.0.0.1 geblockt, also eine entsprechende Policy…
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Issues with firmware on couple of USG Flex 200 and Zywall 100
Hi. We are having issues with Flex 200 v 5.32(ABUI.0) and Zywall v 4.71(AAAA.0) ! the VPN service stoped working for the costumer , then wen we tryed to access the firewalls with the gui , they are unresponsive ! after a while we get: wrong Cli command device timeout… then we tryed to access withh ssh and there we are…
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Notification Emails and Certificate
I have a USG40W, I'm trying to setup notification of security alerts and daily logs by email to my Apple email account. I have generated a third-party app password for my Appleid, set System/Notification to use TLS, Start TLS and SMTP authentication with the Apple Mail SMTP server, my Apple username and the 3rd party…
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ATP 800 5.36p2 hangs
Debug logs.
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So many alerts "abnormal udp traffic detected, source port is zero" from LAN to WAN
Hello everyone, Most of my customers use Zyxel Firewall. Few weeks ago, one of them start to generate many alerts "abnormal udp traffic detected, source port is zero". Alerts are from LAN only to Zywall, like : No. Date/Time Source Destination Priority Category Note2023-02-27 14:01:42 “computer_local_ip:52276”…
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USG40w to Flex 100W Wifi Woes following config conversion
I used the online Zyxel converter to upgrade from a USG 40w to a new Flex100w. Everything came over fine except for the wifi SSID. I found a few reports that the way Wifi is handled on the Flex is different from previously on the 40w. I don't seem to be able to remove any trace of the converted wifi settings on the 100w to…
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Can I have dual band at the same time?
Hello, when I change the band of an ssid, it automatically changes the band of all. USG FLEX 50W (USG20W-VPN) FirmwareV5.36(ABAR.2)
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ZYXEL USG 40
Hi, We have an USG40 with public IP configuration and VPN L2TP configured that we use trough the SecuExtender Software. From last week, sometimes also twice a day, VPN stop t work and if we try to log in the web interface, we can insert username and password bu the it stay freeze to try to loading the Web UI. The actual…
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Issue with VPN connections
I have a Zyxel VPN50 with several IPSec VPNs with following appliances on the other side: ZyWALL USG 20(W) USG FLEX 50 (USG20-VPN) PaloAlto (I don't know exactly which version) All these VPNs were working fine since monthes, but suddenly 2 weeks ago we started having VPN connections dropping; then we also started facing…
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Please review my security policy setup
Does anything look odd? I did hide some very specific rules
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Connect LAN2 to LAN1 to VPN to LAN3/4
I am trying to have one of my PCs connected to my home LAN (on a FritzBox), while also having it access LAN1 of a FLEX50 and through there access VPN tunnels and the LAN beyond. Now I am unsure how to tackle this. Where I start: FLEX50 properly set up with working VLAN, VPN, Rules, etc. Config backed up, so far all works…
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I have to upgrade firmware, best practice
Hi to everyobdy, I have a UGS110 with firmware version 4.31, I need to update it to 4.73 due to the latest zyxell vulnerability notice. Can I do it from 4.31 to 4.73 or do I need the versions in between first? Thanks for any help.
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Update Usg 310 Firmware
I've planned to upgrade an older version Zyxel firmware model USG310 from V4.65(AAPJ.1) version to 4.73(AAPJ.2). . Just load the fw and automatically reload the configuration? or do I have to upgrade to a higher firmware first?I don´t want to reconfigure. Will I lose my configuration by upgrading? Thanks.Regards.
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SSLVPN Intermittent connection to internal LAN
Have an odd issue that's appeared on a customers USG 110 after updating the firmware to latest version off the back of the recent security issues. User connects OK to SSL VPN (which authenticates via internal AD). Once connected they cannot browse to the internal network shares. A ping to the server returns nothing and a…
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Ipsec via main GW stops work, Found old outbound SPI error in debug log
Hello. Today stop working ipsec vpn tunnel beetween ZW USG1100 & 1000. Connection estabilished every some seconds, but no transfer traffic via it. In debug logs many errors "Found old outbound SPI %id". I can't see same errors in others identical scheme of ipsec. Helps only manually set second vpn gw as main gw or reboot…
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Firewall upgrade from USG60 - USG Flex 500 - Now loads websites very slowly first time
Hello, we've recently had a customer get a third broadband line. We've replicated the settings from their USG60 onto a USG Flex 500. We're dialing in through PPPoE on all 3 of these lines, the speeds of the lines all work great, it's just the loading of websites for the first time is taking anywhere from 10 - 30 seconds.…
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issue to login with ATP 200 router
Hello, I have an issue to connect to ATP 200 router. When i type user and password in web interface then login is doesnt work . Did you have an idea to fix it ? Thanks
