Kevin Struckhoff <kevinstruckhoff(at)yahoo(dot)com> writes:
> telnettting to 5432 fails.
> Ports 22 and 9090 are open/listening and telnetting just fine. The problem must be on the Win 10 side.
Sure sounds like a firewall (packet filter) issue to me.
Maybe Windows is filtering port-5432 traffic, but it's
at least as likely that you need to open the port on
the server side. Check the iptables configuration,
or whatever local equivalent you're using.
regards, tom lane