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How to find the license key from a client workstation that uses SecuExtender VPN Client?
Question: How to find the license key from a client workstation that uses SecuExtender VPN Client? Answer: On SecuExtender VPN Client, click "About..." to check the licnese key and registration Email.
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How do I access a specific LAN subnet exclusively via SSL VPN's split tunnel?
Question : In some circumstances, the user may want to access a specific LAN subnet via the SSL VPN tunnel only, while accessing the internet through the local network. How can this be set up? Answer : Please navigate to VPN > SSL VPN > Client will use VPN to access > Choose Local Network Only (Split Tunnel) and add the…
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Why can't you establish an SSL VPN connection with the USG Flex H models?
Question : Why can't you establish an SSL VPN connection with the USG Flex H models, and why are there "Match default rule DROP" log messages? Answer : The possible reason is that the SSL VPN service port is not allowed from the WAN to Device security policy. For example, the Server port of the SSL VPN is 10443. The user…
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Why can't I establish a VPN connection after updating to macOS Sonoma? How can I resolve this issue?
Question : Why can't I establish a VPN connection after updating to macOS Sonoma? How can I resolve this issue? Answer : Since there are changes to the VPN Phase 1 and Phase 2 parameters for macOS Sonoma's native VPN client, please modify them accordingly to allow the remote VPN to work. USG Flex/ATP firewall model…
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How to debug ipsec dial up problem on H series
We have real time debug command on H series. 1)Please login by SSH and pefrom the following command cmd debug ipsec trace log 2)Replicate issue, trying to dial-up Remote Access VPN or Site to Site VPN. 3)Provide the output of command to Zyxel Support.
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How to Use OpenVPN Client with USG FLEX 200H Behind Router NAT?
Question: Is it possible to use the OpenVPN client when the USG FLEX 200H is behind a router with NAT (Private IP in WAN)? Answer: Yes, it is possible to use the OpenVPN client with the USG FLEX 200H behind a router with NAT (Private IP in WAN). Solution: To resolve the issue, you need to change the private IP to the…
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How do I set up SecuExtender on a USG FLEX H device to generate a tbg file?
Question: How do I set up SecuExtender on a USG FLEX H to generate a tbg file? Answer: After you enable "Remote Access VPN" on your USG FLEX H device, go to SecuExtender VPN Client and click Configuration > Get from Server. The SecuExtender VPN Client will fetch the configuration file from USG FLEX H.
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How to edit mobileconfig to use account and password authentication
How to edit mobileconfig to use account and password authentication The default authentication method is to use credentials. You can edit mobileconfig to let it use username/password. 1)Please edit the following lines WAS: IS: 2)Please add the following lines upper <key>ChildSecurityAssociationParameters</key>
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Is there any VPN client software for macOS that supports IKEv1?
Question: I would like to build IKEv1 VPN connection with macOS, which VPN software should I use? Answer: macOS ternimated the support for IKEv1, so currently we don't have a VPN software for macOS that supports IKEv1.
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Why are some DH options missing from SecuExtender?
Question: For old version of SecuExtender(IPSec_6.6.87.108), it supports the DH options from DES, 3DES, SHA-1, DH1, all the way to DH21. However, why DES, 3DES, SHA-1, DH 1, DH 2, DH 5 are missing from the new version of SecuExtender VPN client (IPSec_SSL_VPN_7.7.40.019). Answer: We remove DES, 3DES, SHA-1, DH 1, DH 2, DH…
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Why is IKEv1 missing from SecuExtender?
Question: For old version of SecuExtender(IPSec_6.6.87.108), it supports IKEv1, however, why IKEv1 is missing from the new version of SecuExtender VPN client (IPSec_SSL_VPN_7.7.40.019). Answer: We remove IPsec/IKEv1 from SecuExtender(IPSec_SSL_VPN_7.7.40.019) for security reasons, this protocol is already deprecated by the…
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How to show IKE state by CLI
Question: How to show IKE state by CLI Answer: usgflex500h running config# show state vrf main ike
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Is it possible to transfer certificates of OpenVPN between H series Devices
Question: We need to transfer OpenVPN certificates from an old Zyxel USG FLEX 700H to a new USG FLEX 700H Workaround: The current configuration file does not support this type of conversion so far We recommend redeploying the OpenVPN script.
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How can find out which certificate current RemoteAccess is using?
Answer: 1)Find out in GUI "Reference" 2)Find out by CLI usgflex200h running config# show config vrf main ike vpn RemoteAccess
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Why the OpenVPN scripts for setting up split tunnel and full tunnel look the same?
Question: Why the OpenVPN scripts for setting up split tunnel and full tunnel look the same? Answer: This is because the allowed subnets for split tunnel are sent during the connection phase and are not controlled by the script.
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How can I deploy SSLVPN Secuextender if the WAN is behind NAT.
Solution: If the customer is behind NAT and needs to use SSL with the TGB client, the recommended method is to use DDNS and fill in the 'DNS Name' field. If using DDNS is not an option, you can modify the TGB script. Just change the following line in the TGB file: <cfg_ssl> <cfg_sslconnection name="SSLVPN" server="X.X.X.X"…
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NAT Rule affects remote access traffic
Symptom: When connected to the Remote Access VPN, some outbound traffic is traffic is being redirected to an Internal server due to NAT rule Answer: This is because the packet flow of the H series is different. Remote Access traffic will come in from the WAN interface. Please fixed External IP address instead of Any
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How to check the detailed information of concurrent VPN connections via the CLI?
Question : In the article: How to check the number of concurrent VPN connections via the CLI?users can learn how to check the number of concurrent VPN connections using the CLI. They may also want to check the detailed information of these connections. This article will guide you on how to do this. Answer : Please use the…
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How to check the number of concurrent VPN connections via the CLI?
Question : Users may wish to use CLI to check the number of concurrent VPN connections. This article will guide you on how to check this. Answer : Please use the CLI command show ike ike-sa-count to check it. For example : usgflex100h> show ike ike-sa-count 1 This means the USG Flex 100H has one concurrent VPN connection.
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I have 2 Nebula VPN subnet but failed to connect the tunnel.
If you have two Nebula VPN subnets but the tunnel connection is failing, there are several potential causes to investigate. Follow these steps to diagnose and resolve the issue: Please be aware that Nebula will take the first subnet as the primary rule in the VPN policy, and the second one will be added to the policy route…