Show pageBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== OpenVPN administration ====== ===== Troubleshooting ===== ==== failed to negotiate cipher ==== Error message(s): <code> OPTIONS ERROR: failed to negotiate cipher with server. 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. </code> Resolution (for NetworkManager): - add following to the VPN connection file (/etc/NetworkManager/system-connections/XXX.nmconnection)\\ <code>data-ciphers=AES-256-CBC</code> - reload the connection\\ <code>sudo nmcli connection reload</code> Last modified: 2023-06-05 07:33