client _6.10.12._1
Windows 10 home
server _6.9.2.1
Windows 10 pro

connectivity was working, and then stopped working;
Could not connect to the server.
Error is 108: Connection reset by peer

\documents\nomachine\....01202021...

1/20/21
wnhn@wnhn-OptiPlex-GX260:~$ sudo tcpdump -i eth0 host 192.168.50.40
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
09:08:08.737445 IP 192.168.50.40.17500 > 255.255.255.255.17500: UDP, length 373
09:08:08.737834 IP 192.168.50.40.17500 > 192.168.50.255.17500: UDP, length 373
09:08:16.376156 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [S], seq 1184888491, win 64240, options [mss 1358,nop,wscale 8,nop,nop,sackOK], length 0
09:08:16.376911 IP 192.168.50.40.4000 > 10.8.0.14.50679: Flags [S.], seq 3946745519, ack 1184888492, win 65535, options [mss 1460,nop,wscale 8,nop,nop,sackOK], length 0
09:08:16.468448 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [.], ack 1, win 1029, length 0
09:08:16.469910 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:16.770572 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:17.111495 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:17.712031 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:18.913257 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:20.113998 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:21.314205 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:21.386693 ARP, Request who-has 192.168.50.40 tell 192.168.50.30, length 28
09:08:21.386873 ARP, Reply 192.168.50.40 is-at c8:1f:66:02:1f:06 (oui Unknown), length 46
09:08:23.714509 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:28.514803 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [P.], seq 1:13, ack 1, win 1029, length 12
09:08:38.114855 IP 10.8.0.14.50679 > 192.168.50.40.4000: Flags [R.], seq 13, ack 1, win 0, length 0
09:08:38.765684 IP 192.168.50.40.17500 > 255.255.255.255.17500: UDP, length 373
09:08:38.766275 IP 192.168.50.40.17500 > 192.168.50.255.17500: UDP, length 373
09:09:08.786460 IP 192.168.50.40.17500 > 255.255.255.255.17500: UDP, length 373
09:09:08.787146 IP 192.168.50.40.17500 > 192.168.50.255.17500: UDP, length 373
^C
21 packets captured
21 packets received by filter
0 packets dropped by kernel
wnhn@wnhn-OptiPlex-GX260:~$