L2TP over IPsec not working

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Joined: Fri Feb 28, 2020 2:11 pm

L2TP over IPsec not working

Post by parkkw472 » Fri Feb 28, 2020 6:09 pm

Android devices tested: Galaxy Note 9 Android 10 / cellular data, Wireless
Windows Laptop tested: Windows 10 1909 (18363.657) / No firewall, WAN

*OS embed VPN client. NOT SoftEther VPN CLIENT.

Server Status:
Firewall X (ufw disabled)
Ports open: 47, 443, 500, 992, 1194,1701, 4500, 5555
Using local bridge with Dnsmasq (because Secure NAT has a lot of problems)
Host: Vultr

Windows 10 and Android are not accessible when L2TP over IPsec is enabled in IPsec / L2TP Setting.

However, when Raw L2TP with No Encryption is enabled, Windows 10 is connected, but it is still not accessible on Android.

When i tried to check server log, There were no logs for failed connections..

Does anyone know about this problem?

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