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This article will explain in detail how to solve the most common TLS errors in OPENVPN: TLS key agreement failed and the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have some understanding of the relevant knowledge after reading this article.

TLS error: TLS key agreement failed within 60 seconds (please check network connection)

One of the most common problems when setting up OpenVPN is that the two OpenVPN daemons on both sides of the connection cannot establish an TCP or UDP connection to each other.

This is almost due to:

The perimeter firewall on the server network is filtering incoming OpenVPN packets (by default, OpenVPN uses UDP or TCP port number 1194).

The software firewall running on the OpenVPN server machine is filtering incoming connections on port 1194. Note that many operating systems block incoming connections by default unless otherwise configured.

The NAT gateway on the server network does not have a port forwarding rule for TCP/UDP 1194 to the internal address of the OpenVPN server computer.

The OpenVPN client configuration does not have the correct server address in its configuration file. The remote instructions in the client configuration file must point to the server itself or the public IP address of the server network gateway.

Another possible reason is that the windows firewall blocks access to openvpn. Exe binaries. You may need a whitelist (to add it to the exceptions list) for OpenVPN to work properly.

On how to solve the most common TLS errors in OPENVPN: the failure of TLS key agreement is shared here. I hope the above content can be helpful to you and learn more knowledge. If you think the article is good, you can share it for more people to see.

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