frontend to OpenVPN configuration are still not supporting this, for example under KDE plasma 5.ovpn profiles that contains "cipher" and are not useable on OpenVPN This typically indicates that client and server have no common TLS version enabled. Connecting to a peer that does not support this will results in messages like: TLS error: Unsupported protocol. The default in OpenVPN 2.6 and also in many distributions is now TLS 1.2 or later. many firewalls, I'm using Watchguard Firebox, are still exporting. OpenVPN version not supporting TLS 1.2 or later.Is really "cipher" a deprecated option? Googling around I cannot find an official declaration of this, and an official way/how-to to migrate it to data-ciphers.Īnd there are still some bad user experience problem: Add the server's cipher ('AES-256-CBC') to -data-ciphers (currently 'AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305') if you want to connect to this server. Ott 27 08:30:17 t470s-gio nm-openvpn: OPTIONS ERROR: failed to negotiate cipher with server. OpenVPN ignores -cipher for cipher negotiations. Code: Select all ott 27 08:30:10 t470s-gio nm-openvpn: DEPRECATED OPTION: -cipher set to 'AES-256-CBC' but missing in -data-ciphers (AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305).
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