![]() ![]() So I suspect some change in Cent OS 7 to cause the problem. OpenVPN may display the error message TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity) in the OpenVPN. ![]() Our server admin can see my connection attempts but also does not know the cause - apparently, all other users can connect without problems. In last blog, I introduced how SSL/TLS connections are established and how to verify the whole handshake process in network packet file.However capturing network packet is not always supported or possible for certain scenarios. Here’s an example: In this scenario, there is no mutually supported TLS protocol and the server likely isn’t supporting backwards versioning. The certificates are encrypted with MD5 and SHA1 (usercert: Signature Algorithm: sha1WithRSAEncryption CA: Signature Algorithm: md5WithRSAEncryption). If you’re getting the SSL/TLS handshake failed error as a result of a protocol mismatch, it means that the client and server do not have mutual support for the same TLS version. A fresh config.p12 (as well as fresh ca/cert/key files) did not help. It used to work with the same files before and it still does work with Tunnelblick under Mac OS X. When devices on a network say, a browser and a web server share encryption algorithms, keys, and other details about their connection before finally agreeing to exchange data, it’s called an SSL handshake. Do a packet sniff, like: tcpdump -ni eth0 udp and port 1194 on the server and ensure if packets are arriving. The error occurs with the packaged versions of OpenVPN and openssl as well as with compiled OpenVPN 2.3.4/openssl-1.0.1h and OpenVPN-2.3.2/openssl-0.9.8y, either with a p12 file or ca/cert/key files. Mon Jul 14 16:24:23 2014 us=213277 TLS Error: TLS object -> incoming plaintext read error The password is the one that you specified when you set up your router. ![]() Mon Jul 14 16:24:23 2014 us=213271 TLS_ERROR: BIO read tls_read_plaintext error: error:14090086:SSL routines:SS元_GET_SERVER_CERTIFICATE:certificate verify failed To correct a tls handshake error: Launch a web browser from a computer or mobile device that is connected to the router network. Mon Jul 14 16:24:23 2014 us=212915 TLS: tls_multi_process: i=0 state=S_SENT_KEY, mysid=959d12ad 3fd6358b, stored-sid=21b1e50a 63e80c5c, stored-ip=193.175.73.100:1194 TLS key negotiation failed to occur within 60 seconds with tunnelblick Ask Question Asked 2 years ago Modified 2 years ago Viewed 526 times 1 I wanted to connect to vpn and used ready configuration file provided by company I work at. ![]()
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