Hello
I encountered a problem with my openvpn connection on fedora 34, OpenVPN 2.5.3
journalctl -u NetworkManager --no-pager --since today
Jul 05 18:02:36 fedora nm-openvpn[6846]: OPTIONS ERROR: failed to negotiate cipher with server. Add the server's cipher ('BF-CBC') to --data-ciphers (currently 'AES-256-GCM:AES-128-GCM') if you want to connect to this server.
Jul 05 18:02:36 fedora nm-openvpn[6846]: ERROR: Failed to apply push options
Jul 05 18:02:36 fedora nm-openvpn[6846]: Failed to open tun/tap interface
My config file/usr/lib/systemd/system/openvpn-server@.service
Description=OpenVPN service for %I
After=syslog.target network-online.target
Wants=network-online.target
Documentation=man:openvpn(8)
Documentation=
https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage
Documentation=
https://community.openvpn.net/openvpn/wiki/HOWTO
[Service]
Type=notify
PrivateTmp=true
WorkingDirectory=/etc/openvpn/server
ExecStart=/usr/sbin/openvpn --status %t/openvpn-server/status-%i.log --status-version 2 --suppress-timestamps --cipher AES-256-GCM --data-ciphers AES-256-GCM:AES-128-GCM:AES-256-CBC:AES-128-CBC:BF-CBC --config %i.conf
CapabilityBoundingSet=CAP_IPC_LOCK CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_NET_RAW CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_DAC_OVERRIDE CAP_AUDIT_WRITE
LimitNPROC=10
DeviceAllow=/dev/null rw
DeviceAllow=/dev/net/tun rw
ProtectSystem=true
ProtectHome=true
KillMode=process
RestartSec=5s
Restart=on-failure
[Install]
WantedBy=multi-user.target
thanks for help
