i use 3 servers with pfsense
1 is server-vpn
2 is client-vpn
3 client-vpn
all have installed pfsense and use Mode: Peer to Peer ( SSL/TLS ) and after update VPN disconected and no connect again ... all have TUN option enabled.
Jul 2 12:51:36 openvpn 20529 92.84.56.226:59685 TLS Error: TLS handshake failed
Jul 2 12:51:36 openvpn 20529 92.84.56.226:59685 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
Jul 2 12:49:29 openvpn 20529 Initialization Sequence Completed
Jul 2 12:49:29 openvpn 20529 UDPv4 link remote: [AF_UNSPEC]
Jul 2 12:49:29 openvpn 20529 UDPv4 link local (bound): [AF_INET]127.0.0.1:44441
Jul 2 12:49:29 openvpn 20529 /usr/local/sbin/ovpn-linkup ovpns3 1500 1622 10.1.1.1 255.255.255.0 init
Jul 2 12:49:29 openvpn 20529 /sbin/ifconfig ovpns3 10.1.1.1 10.1.1.2 mtu 1500 netmask 255.255.255.0 up
Jul 2 12:49:29 openvpn 20529 TUN/TAP device /dev/tun3 opened
Jul 2 12:49:29 openvpn 20529 TUN/TAP device ovpns3 exists previously, keep at program end
Jul 2 12:49:29 openvpn 20529 Incoming Control Channel Authentication: Using 256 bit message hash 'SHA256' for HMAC authentication
Jul 2 12:49:29 openvpn 20529 Outgoing Control Channel Authentication: Using 256 bit message hash 'SHA256' for HMAC authentication
Jul 2 12:49:29 openvpn 20529 WARNING: experimental option --capath /var/etc/openvpn/server3/ca
Jul 2 12:49:29 openvpn 20529 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Jul 2 12:49:29 openvpn 20366 library versions: OpenSSL 1.1.1k-freebsd 25 Mar 2021, LZO 2.10
Jul 2 12:49:29 openvpn 20366 OpenVPN 2.5.1 amd64-portbld-freebsd12.2 [SSL (OpenSSL)] [LZO] [LZ4] [MH/RECVDA] [AEAD] built on Apr 5 2021
Jul 2 12:49:29 openvpn 20366 WARNING: Compression for receiving enabled. Compression has been used in the past to break encryption. Sent packets are not compressed unless "allow-compression yes" is also set.
In dashboard i see this in VON category: UNDEF IP:30965