root@box:~# chmod 600 /etc/openvpn/login.txt
root@box:~# openvpn --config /etc/openvpn/client.conf
2023-04-24 11:06:04 WARNING: Compression for receiving enabled. Compression has been used in the past to break encryption. Sent packets are not compressed unles s "allow-compression yes" is also set.
2023-04-24 11:06:04 OpenVPN 2.5.8 arm-oe-linux-gnueabi [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [MH/PKTINFO] [AEAD] built on Oct 28 2022
2023-04-24 11:06:04 library versions: OpenSSL 3.0.7 1 Nov 2022, LZO 2.10
2023-04-24 11:06:04 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:06:04 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:06:04 TCP/UDP: Preserving recently used remote address: [AF_INET]xxxxxx:xx
2023-04-24 11:06:04 Socket Buffers: R=[123456->123456] S=[123456->123456]
2023-04-24 11:06:04 UDP link local: (not bound)
2023-04-24 11:06:04 UDP link remote: [AF_INET]xxxxxx:xx
2023-04-24 11:06:50 [UNDEF] Inactivity timeout (--ping-restart), restarting
2023-04-24 11:06:50 SIGUSR1[soft,ping-restart] received, process restarting
2023-04-24 11:06:50 Restart pause, 5 second(s)
2023-04-24 11:06:55 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:06:55 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:06:55 TCP/UDP: Preserving recently used remote address: [AF_INET]xxxxxx:xx
2023-04-24 11:06:55 Socket Buffers: R=[123456->123456] S=[123456->123456]
2023-04-24 11:06:55 UDP link local: (not bound)
2023-04-24 11:06:55 UDP link remote: [AF_INET]xxxxxx:xx
2023-04-24 11:07:40 [UNDEF] Inactivity timeout (--ping-restart), restarting
2023-04-24 11:07:40 SIGUSR1[soft,ping-restart] received, process restarting
2023-04-24 11:07:40 Restart pause, 5 second(s)
2023-04-24 11:07:45 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:07:45 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:07:45 TCP/UDP: Preserving recently used remote address: [AF_INET]xxxxxx:xx
2023-04-24 11:07:45 Socket Buffers: R=[123456->123456] S=[123456->123456]
2023-04-24 11:07:45 UDP link local: (not bound)
2023-04-24 11:07:45 UDP link remote: [AF_INET]xxxxxx:xx
2023-04-24 11:08:30 [UNDEF] Inactivity timeout (--ping-restart), restarting
2023-04-24 11:08:30 SIGUSR1[soft,ping-restart] received, process restarting
2023-04-24 11:08:30 Restart pause, 5 second(s)
2023-04-24 11:08:35 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:08:35 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:08:35 TCP/UDP: Preserving recently used remote address: [AF_INET]xxxxxx:xx
2023-04-24 11:08:35 Socket Buffers: R=[123456->123456] S=[123456->123456]
2023-04-24 11:08:35 UDP link local: (not bound)
2023-04-24 11:08:35 UDP link remote: [AF_INET]xxxxxx:xx
2023-04-24 11:09:20 [UNDEF] Inactivity timeout (--ping-restart), restarting
2023-04-24 11:09:20 SIGUSR1[soft,ping-restart] received, process restarting
2023-04-24 11:09:20 Restart pause, 5 second(s)
2023-04-24 11:09:25 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:09:25 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:09:25 TCP/UDP: Preserving recently used remote address: [AF_INET]xxxxxx:xx
2023-04-24 11:09:25 Socket Buffers: R=[123456->123456] S=[123456->123456]
2023-04-24 11:09:25 UDP link local: (not bound)
2023-04-24 11:09:25 UDP link remote: [AF_INET]xxxxxx:xx
2023-04-24 11:10:10 [UNDEF] Inactivity timeout (--ping-restart), restarting
2023-04-24 11:10:10 SIGUSR1[soft,ping-restart] received, process restarting
2023-04-24 11:10:10 Restart pause, 10 second(s)
2023-04-24 11:10:20 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:10:20 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
2023-04-24 11:10:20 TCP/UDP: Preserving recently used remote address: [AF_INET]xxxxxx:xx
2023-04-24 11:10:20 Socket Buffers: R=[123456->123456] S=[123456->123456]
2023-04-24 11:10:20 UDP link local: (not bound)
2023-04-24 11:10:20 UDP link remote: [AF_INET]xxxxxx:xx
2023-04-24 11:10:43 event_wait : Interrupted system call (code=4)
2023-04-24 11:10:43 SIGINT[hard,] received, process exiting