J'ai installé network-manager-vpnc-gnome, network-manager-vpnc, vpnc et configuré le VPN comme je l'ai fait dans ubuntu 19.10, mais dans 20.04 la même configuration ne fonctionne pas.
la tentative de connexion renvoie ce journal dans syslog:
Apr 28 19:01:38 aspire5 NetworkManager\[930\]: \[1588111298.1704\] audit: op="connection-activate" uuid="760a60f1-ad7c-4e89-b6b1-915af7cd8535" name="AMC" pid=2142 uid=1000 result="success"
Apr 28 19:01:38 aspire5 NetworkManager\[930\]: \[1588111298.1904\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: Started the VPN service, PID 5416
Apr 28 19:01:38 aspire5 NetworkManager\[930\]: \[1588111298.2069\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: Saw the service appear; activating connection
Apr 28 19:01:38 aspire5 NetworkManager\[930\]: \[1588111298.3074\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: VPN plugin: state changed: starting (3)
Apr 28 19:01:38 aspire5 NetworkManager\[930\]: \[1588111298.3074\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: VPN connection: (ConnectInteractive) reply received
Apr 28 19:01:38 aspire5 NetworkManager\[930\]: \[1588111298.3145\] manager: (tun0): new Tun device (/org/freedesktop/NetworkManager/Devices/14)
Apr 28 19:01:38 aspire5 systemd-udevd\[5432\]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable.
Apr 28 19:01:39 aspire5 NetworkManager\[5416\]: /usr/sbin/vpnc: authentication unsuccessful
Apr 28 19:01:39 aspire5 gnome-shell\[2142\]: Removing a network device that was not added
Apr 28 19:01:39 aspire5 NetworkManager\[930\]: \[1588111299.7015\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: VPN plugin: failed: login-failed (0)
Apr 28 19:01:39 aspire5 NetworkManager\[930\]: \[1588111299.7017\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: VPN plugin: failed: connect-failed (1)
Apr 28 19:01:39 aspire5 NetworkManager\[930\]: \[1588111299.7017\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: VPN plugin: state changed: stopping (5)
Apr 28 19:01:39 aspire5 NetworkManager\[930\]: \[1588111299.7019\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: VPN plugin: state changed: stopped (6)
Apr 28 19:01:39 aspire5 NetworkManager\[930\]: \[1588111299.7063\] vpn-connection\[0x55cdd7ee8590,760a60f1-ad7c-4e89-b6b1-915af7cd8535,"AMC",0\]: VPN service disappeared
Apr 28 19:01:49 aspire5 systemd-resolved\[836\]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.J'ai cherché une solution, mais jusqu'à présent je n'ai rien trouvé. Je serais reconnaissant pour toute aide dans ce cas. Merci
