Est-ce que le log opendns pourrait aider ?
Sat Feb 13 10:41:11 2021 [server] Inactivity timeout (--ping-restart), restarting
Sat Feb 13 10:41:11 2021 SIGUSR1[soft,ping-restart] received, process restarting
Sat Feb 13 10:41:16 2021 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
Sat Feb 13 10:41:16 2021 TCP/UDP: Preserving recently used remote address: [AF_INET]149.202.189.57:1196
Sat Feb 13 10:41:16 2021 UDP link local: (not bound)
Sat Feb 13 10:41:16 2021 UDP link remote: [AF_INET]149.202.189.57:1196
Sat Feb 13 10:41:16 2021 VERIFY OK: depth=1, C=FR, ST=IDF, L=Paris, O=jeedom.com, OU=jeedom.com, CN=jeedom.com CA, name=jeedom, emailAddress=postmaster@jeedom.com
Sat Feb 13 10:41:16 2021 VERIFY OK: depth=0, C=FR, ST=IDF, L=Paris, O=jeedom.com, OU=jeedom.com, CN=server, name=jeedom, emailAddress=postmaster@jeedom.com
Sat Feb 13 10:41:16 2021 Control Channel: TLSv1.3, cipher TLSv1.3 TLS_AES_256_GCM_SHA384, 1024 bit RSA
Sat Feb 13 10:41:16 2021 [server] Peer Connection Initiated with [AF_INET]149.202.189.57:1196
Sat Feb 13 10:41:17 2021 Data Channel: using negotiated cipher 'AES-256-GCM'
Sat Feb 13 10:41:17 2021 Outgoing Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
Sat Feb 13 10:41:17 2021 Incoming Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
Sat Feb 13 10:41:17 2021 Preserving previous TUN/TAP instance: tun0
Sat Feb 13 10:41:17 2021 Initialization Sequence Completed
Sat Feb 13 10:45:17 2021 [server] Inactivity timeout (--ping-restart), restarting
Sat Feb 13 10:45:17 2021 SIGUSR1[soft,ping-restart] received, process restarting
Sat Feb 13 10:45:22 2021 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
Sat Feb 13 10:45:22 2021 TCP/UDP: Preserving recently used remote address: [AF_INET]149.202.189.57:1196
Sat Feb 13 10:45:22 2021 UDP link local: (not bound)
Sat Feb 13 10:45:22 2021 UDP link remote: [AF_INET]149.202.189.57:1196
Sat Feb 13 10:45:22 2021 VERIFY OK: depth=1, C=FR, ST=IDF, L=Paris, O=jeedom.com, OU=jeedom.com, CN=jeedom.com CA, name=jeedom, emailAddress=postmaster@jeedom.com
Sat Feb 13 10:45:22 2021 VERIFY OK: depth=0, C=FR, ST=IDF, L=Paris, O=jeedom.com, OU=jeedom.com, CN=server, name=jeedom, emailAddress=postmaster@jeedom.com
Sat Feb 13 10:45:22 2021 Control Channel: TLSv1.3, cipher TLSv1.3 TLS_AES_256_GCM_SHA384, 1024 bit RSA
Sat Feb 13 10:45:22 2021 [server] Peer Connection Initiated with [AF_INET]149.202.189.57:1196
Sat Feb 13 10:45:23 2021 Data Channel: using negotiated cipher 'AES-256-GCM'
Sat Feb 13 10:45:23 2021 Outgoing Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
Sat Feb 13 10:45:23 2021 Incoming Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
Sat Feb 13 10:45:23 2021 Preserving previous TUN/TAP instance: tun0
Sat Feb 13 10:45:23 2021 Initialization Sequence Completed
Sat Feb 13 10:49:13 2021 [server] Inactivity timeout (--ping-restart), restarting
Sat Feb 13 10:49:13 2021 SIGUSR1[soft,ping-restart] received, process restarting
Sat Feb 13 10:49:18 2021 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
Sat Feb 13 10:49:18 2021 TCP/UDP: Preserving recently used remote address: [AF_INET]149.202.189.57:1196
Sat Feb 13 10:49:18 2021 UDP link local: (not bound)
Sat Feb 13 10:49:18 2021 UDP link remote: [AF_INET]149.202.189.57:1196
Sat Feb 13 10:49:18 2021 VERIFY OK: depth=1, C=FR, ST=IDF, L=Paris, O=jeedom.com, OU=jeedom.com, CN=jeedom.com CA, name=jeedom, emailAddress=postmaster@jeedom.com
Sat Feb 13 10:49:18 2021 VERIFY OK: depth=0, C=FR, ST=IDF, L=Paris, O=jeedom.com, OU=jeedom.com, CN=server, name=jeedom, emailAddress=postmaster@jeedom.com
Sat Feb 13 10:49:18 2021 Control Channel: TLSv1.3, cipher TLSv1.3 TLS_AES_256_GCM_SHA384, 1024 bit RSA
Sat Feb 13 10:49:18 2021 [server] Peer Connection Initiated with [AF_INET]149.202.189.57:1196
Sat Feb 13 10:49:19 2021 Data Channel: using negotiated cipher 'AES-256-GCM'
Sat Feb 13 10:49:19 2021 Outgoing Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
Sat Feb 13 10:49:19 2021 Incoming Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
Sat Feb 13 10:49:19 2021 Preserving previous TUN/TAP instance: tun0
Sat Feb 13 10:49:19 2021 Initialization Sequence Completed