OpenVPN troubleshooting: Client wont connect to server
Hi,
I have configured the openVPN server on my Archer AX50 router before and I was able to connect with OpenVPN client without problems.
At one point the connection couldnt be established anymore. I generated new certificate and downloaded new openVPN config file but it doesn't work. Here are my settings:
-Enable VPN server: checked
-Service type: UDP
-Service port: 1194
-VPN subnet: 10.8.0.0 (255.255.255.0)
-Internet and Home Network.
My ISP modem is in bridge mode and I am using DDNS. I change the public IP address in .opvn config file to DDNS address.
I tried changing many things including the subnet mask and service type to UDP but the connection wont go through. I am trying connect to server with client command line interface on my linux (Ubuntu) machine with: openvpn3 session-start --config OpenVPN-Config.ovpn.
If I print the log when connecting (openvpn3 log --log-level 6 --config OpenVPN-Config.ovpn) I get the error: Client DEBUG: Client exception in transport_recv: crypto_alg: AES-128-CBC: bad cipher for data channel use.
Does anyone know where is the problem?
Thanks for help