So I have set up the VPN server on my NAS. Settings are first of all the default settings that the NAS provides. Then I exported the configuration files with “Export configuration files”.
Under Gnome the Network Manager is set up and I used the “import from file” function under Gnome when setting up the VPN connection. Then the settings for the VPN connection were also taken over by the system. If I now try to establish the connection, I get the following error message:
TCP/UDP: Preserving recently used remote address: [AF_INET]xx.xxx.xxx.240:1194 nm-openvpn: UDP link local: (not bound) nm-openvpn: UDP link remote: [AF_INET]xx.xxx.xxx.240:1194 nm-openvpn: NOTE: UID/GID downgrade will be delayed because of --client, --pull, or --up-delay Nov 29 21:27:48 thorinshalle nm-openvpn: VERIFY ERROR: depth=2, error=certificate has expired: O=Digital Signature Trust Co., CN=DST Root CA X3, serial=91299735575339953335919266965803778155 nm-openvpn: OpenSSL: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed nm-openvpn: TLS_ERROR: BIO read tls_read_plaintext error nm-openvpn: TLS Error: TLS object -> incoming plaintext read error nm-openvpn: TLS Error: TLS handshake failed nm-openvpn: SIGUSR1[soft,tls-error] received, process restarting nm-openvpn: SIGTERM[hard,init_instance] received, process exiting
Using the OpenVPN Connect Client on Windows works fine though.
My NAS is the DS920+
DSM 6.2.5-25556 Update 6
I would be very grateful for any ideas and help.