Re: How to solve the TLS key negotiation failed error?

Mathias Jeschke <[email protected]> Mon, 23 Oct 2023 14:23:41 +0200

Newsgroups	gmane.network.openvpn.user
Message-ID	<[email protected]>

Hi Peter,

Peter Davis wrote:
> Hi,
> The server log showed me:
>
> 2023-10-23 15:46:59 Authenticate/Decrypt packet error: packet HMAC authentication failed
> 2023-10-23 15:46:59 TLS Error: incoming packet authentication failed from [AF_INET]192.168.1.3:51999
> 2023-10-23 15:47:02 Authenticate/Decrypt packet error: packet HMAC authentication failed
> 2023-10-23 15:47:02 TLS Error: incoming packet authentication failed from [AF_INET]192.168.1.3:51999
> 2023-10-23 15:47:05 Authenticate/Decrypt packet error: packet HMAC authentication failed
> 2023-10-23 15:47:05 TLS Error: incoming packet authentication failed from [AF_INET]192.168.1.3:51999
> 2023-10-23 15:47:13 Authenticate/Decrypt packet error: packet HMAC authentication failed
> 2023-10-23 15:47:13 TLS Error: incoming packet authentication failed from [AF_INET]192.168.1.3:51999
>
>
> What is this error about?

Somebody is modifying your network traffic. Maybe some "smart" firewall 
solution?

Cheers,
Mathias