I have the same issue. Not able to connect to the servers after upgrade to Pfsense 2.5
Feb 19 18:19:32 openvpn 69215 [UNDEF] Inactivity timeout (--ping-restart), restarting
Feb 19 18:19:32 openvpn 69215 SIGUSR1[soft,ping-restart] received, process restarting
Feb 19 18:19:32 openvpn 69215 Restart pause, 5 second(s)
Feb 19 18:19:36 openvpn 46383 MANAGEMENT: Client connected from /var/etc/openvpn/client1/sock
Feb 19 18:19:36 openvpn 46383 MANAGEMENT: CMD 'state 1'
Feb 19 18:19:36 openvpn 46383 MANAGEMENT: CMD 'status 2'
Feb 19 18:19:36 openvpn 46383 MANAGEMENT: Client disconnected
Feb 19 18:19:36 openvpn 69215 MANAGEMENT: Client connected from /var/etc/openvpn/client2/sock
Feb 19 18:19:36 openvpn 69215 MANAGEMENT: CMD 'state 1'
Feb 19 18:19:36 openvpn 69215 MANAGEMENT: Client disconnected
Feb 19 18:19:37 openvpn 69215 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
Feb 19 18:19:37 openvpn 69215 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Feb 19 18:19:37 openvpn 69215 Outgoing Control Channel Encryption: Cipher 'AES-256-CTR' initialized with 256 bit key
Feb 19 18:19:37 openvpn 69215 Outgoing Control Channel Encryption: Using 256 bit message hash 'SHA256' for HMAC authentication
Feb 19 18:19:37 openvpn 69215 Incoming Control Channel Encryption: Cipher 'AES-256-CTR' initialized with 256 bit key
Feb 19 18:19:37 openvpn 69215 Incoming Control Channel Encryption: Using 256 bit message hash 'SHA256' for HMAC authentication
Feb 19 18:19:37 openvpn 69215 TCP/UDP: Preserving recently used remote address: [AF_INET]x.x.x.x:443
Feb 19 18:19:37 openvpn 69215 Socket Buffers: R=[42080->42080] S=[57344->57344]
Feb 19 18:19:37 openvpn 69215 UDPv4 link local (bound): [AF_INET]192.168.1.101:0
Feb 19 18:19:37 openvpn 69215 UDPv4 link remote: [AF_INET]x.x.x.x:443
Feb 19 18:19:38 openvpn 69215 event_wait : Interrupted system call (code=4)
Feb 19 18:19:38 openvpn 69215 SIGTERM[hard,] received, process exiting
Feb 19 18:19:38 openvpn 91313 OpenVPN 2.5.0 amd64-portbld-freebsd12.2 [SSL (OpenSSL)] [LZO] [LZ4] [MH/RECVDA] [AEAD] built on Feb 5 2021
Feb 19 18:19:38 openvpn 91313 library versions: OpenSSL 1.1.1i-freebsd 8 Dec 2020, LZO 2.10
Feb 19 18:19:38 openvpn 91424 MANAGEMENT: unix domain socket listening on /var/etc/openvpn/client2/sock
Feb 19 18:19:38 openvpn 91424 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
Feb 19 18:19:38 openvpn 91424 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Feb 19 18:19:38 openvpn 91424 Initializing OpenSSL support for engine 'rdrand'
Feb 19 18:19:38 openvpn 91424 WARNING: experimental option --capath /var/etc/openvpn/client2/ca
Feb 19 18:19:38 openvpn 91424 Outgoing Control Channel Encryption: Cipher 'AES-256-CTR' initialized with 256 bit key
Feb 19 18:19:38 openvpn 91424 Outgoing Control Channel Encryption: Using 256 bit message hash 'SHA256' for HMAC authentication
Feb 19 18:19:38 openvpn 91424 Incoming Control Channel Encryption: Cipher 'AES-256-CTR' initialized with 256 bit key
Feb 19 18:19:38 openvpn 91424 Incoming Control Channel Encryption: Using 256 bit message hash 'SHA256' for HMAC authentication
Feb 19 18:19:39 openvpn 91424 TCP/UDP: Preserving recently used remote address: [AF_INET]x.x.x.x:443
Feb 19 18:19:39 openvpn 91424 Socket Buffers: R=[42080->42080] S=[57344->57344]
Feb 19 18:19:39 openvpn 91424 UDPv4 link local (bound): [AF_INET]192.168.1.101:0
Feb 19 18:19:39 openvpn 91424 UDPv4 link remote: [AF_INET]x.x.x.x:443
Feb 19 18:19:43 openvpn 46383 MANAGEMENT: Client connected from /var/etc/openvpn/client1/sock
Feb 19 18:19:43 openvpn 46383 MANAGEMENT: CMD 'state 1'
Feb 19 18:19:43 openvpn 46383 MANAGEMENT: CMD 'status 2'
Feb 19 18:19:43 openvpn 46383 MANAGEMENT: Client disconnected
Feb 19 18:19:43 openvpn 91424 MANAGEMENT: Client connected from /var/etc/openvpn/client2/sock
Feb 19 18:19:43 openvpn 91424 MANAGEMENT: CMD 'state 1'
Feb 19 18:19:43 openvpn 91424 MANAGEMENT: Client disconnected