Hi there,
hope that someone could help me to figure out why from one day to the next SSL VPN clients aren't connecting anymore.
I attach logs from Client and from tcpdump on port 8443
Thu Nov 30 16:00:35 2023 OpenVPN 2.3.8 i686-w64-mingw32 [SSL (OpenSSL)] [LZO] [IPv6] built on Jul 3 2017 Thu Nov 30 16:00:35 2023 library versions: OpenSSL 1.0.2l 25 May 2017, LZO 2.09 Enter Management Password: Thu Nov 30 16:00:35 2023 MANAGEMENT: TCP Socket listening on [AF_INET]127.0.0.1:25340 Thu Nov 30 16:00:35 2023 Need hold release from management interface, waiting... Thu Nov 30 16:00:35 2023 MANAGEMENT: Client connected from [AF_INET]127.0.0.1:25340 Thu Nov 30 16:00:35 2023 MANAGEMENT: CMD 'state on' Thu Nov 30 16:00:35 2023 MANAGEMENT: CMD 'log all on' Thu Nov 30 16:00:35 2023 MANAGEMENT: CMD 'hold off' Thu Nov 30 16:00:35 2023 MANAGEMENT: CMD 'hold release' Thu Nov 30 16:00:42 2023 MANAGEMENT: CMD 'username "Auth" "\\\myuser\\\"' Thu Nov 30 16:00:42 2023 MANAGEMENT: CMD 'password [...]' Thu Nov 30 16:00:42 2023 Socket Buffers: R=[65536->65536] S=[65536->65536] Thu Nov 30 16:00:42 2023 Attempting to establish TCP connection with [AF_INET]public ip:8443 [nonblock] Thu Nov 30 16:00:42 2023 MANAGEMENT: >STATE:1701356442,TCP_CONNECT,,,,,, Thu Nov 30 16:00:43 2023 TCP connection established with [AF_INET]\\\public ip:8443 Thu Nov 30 16:00:43 2023 TCPv4_CLIENT link local: [undef] Thu Nov 30 16:00:43 2023 TCPv4_CLIENT link remote: [AF_INET]public ip:8443 Thu Nov 30 16:00:43 2023 MANAGEMENT: >STATE:1701356443,WAIT,,,,,, Thu Nov 30 16:01:19 2023 read TCPv4_CLIENT: Connection timed out (WSAETIMEDOUT) (code=10060) Thu Nov 30 16:01:19 2023 Connection reset, restarting [-1] Thu Nov 30 16:01:19 2023 SIGUSR1[soft,connection-reset] received, process restarting Thu Nov 30 16:01:19 2023 MANAGEMENT: >STATE:1701356479,RECONNECTING,connection-reset,,,,, Thu Nov 30 16:01:19 2023 Restart pause, 5 second(s) Thu Nov 30 16:01:24 2023 Socket Buffers: R=[65536->65536] S=[65536->65536] Thu Nov 30 16:01:24 2023 Attempting to establish TCP connection with [AF_INET]public ip [nonblock] Thu Nov 30 16:01:24 2023 MANAGEMENT: >STATE:1701356484,TCP_CONNECT,,,,,,
15:46:39.668794 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[.], ack 1786998223, win 14600, options [nop,nop,sack 1 {4294967281:1}], length
0
15:46:39.963059 Port2, IN: IP 5.168.123.131.31917 > \\\public IP\\\: Flags [
P.], ack 4294967268, win 515, length 16
15:46:39.963089 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[.], ack 1, win 14600, options [nop,nop,sack 1 {4294967281:1}], length 0
15:46:40.107559 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[P.], ack 1, win 14600, length 28
15:46:40.481232 Port2, IN: IP 5.168.123.131.31917 > \\\public IP\\\: Flags [
P.], ack 4294967268, win 515, length 16
15:46:40.481261 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[.], ack 1, win 14600, options [nop,nop,sack 1 {4294967281:1}], length 0
15:46:41.579901 Port2, IN: IP 5.168.123.131.31917 > \\\public IP\\\: Flags [
P.], ack 4294967268, win 515, length 16
15:46:41.579932 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[.], ack 1, win 14600, options [nop,nop,sack 1 {4294967281:1}], length 0
15:46:43.087567 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[P.], ack 1, win 14600, length 28
15:46:43.745836 Port2, IN: IP 5.168.123.131.31917 > \\\public IP\\\: Flags [
P.], ack 4294967268, win 515, length 16
15:46:43.745877 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[.], ack 1, win 14600, options [nop,nop,sack 1 {4294967281:1}], length 0
15:46:48.077174 Port2, IN: IP 5.168.123.131.31917 > \\\public IP\\\: Flags [
P.], ack 4294967268, win 515, length 32
15:46:48.077220 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[.], ack 17, win 14600, options [nop,nop,sack 1 {4294967281:1}], length 0
15:46:49.047566 Port2, OUT: IP \\\public IP\\\ > 5.168.123.131.31917: Flags
[P.], ack 17, win 14600, length 28
15:46:56.805764 Port2, IN: IP 5.168.123.131.31917 > \\\public IP\\\: Flags [
R.], seq 17, ack 4294967268, win 0, length 0
VPN has kept working for years until yesterday
Thankyou in advance
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