Posted: Thu Sep 30, 2021 22:19 Post subject: TLS Error with OpenVPN server
I got an old Buffalo router I been using for years as a OpenVPN client.
It has Firmware: DD-WRT v24SP2- (11/05/13) std. Can this even be upgraded? as it came from Buffalo with DD-WRT
I have a new server with Debian 10. It is giving me:
Quote:
Thu Sep 30 17:14:27 2021 189.156.78.194:56208 SIGUSR1[soft,tls-error] received, client-instance restarting
Thu Sep 30 17:15:30 2021 189.156.78.194:33661 TLS: Initial packet from [AF_INET]1xxx.xxx.xxx.xxx:33661, sid=a972f244 7533ca59
Thu Sep 30 17:15:30 2021 189.156.78.194:33661 TLS error: Unsupported protocol. This typically indicates that client and server have no common TLS version enabled. This can be caused by mismatched tls-version-min and tls-version-max options on client and server. If your OpenVPN client is between v2.3.6 and v2.3.2 try adding tls-version-min 1.0 to the client configuration to use TLS 1.0+ instead of TLS 1.0 only
Thu Sep 30 17:15:30 2021 189.156.78.194:33661 OpenSSL: error:14209102:SSL routines:tls_early_post_process_client_hello:unsupported protocol
I have been trying different Encryption Ciphers, and Hash Algorithms without luck.
Which is the version you flashed, but the current version is the one both @bushant and I mentioned. You will probably want to consider upgrading at some point, depending. Glad it's working for you! _________________ "Life is but a fleeting moment, a vapor that vanishes quickly; All is vanity"
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