Firewall? Probably closed by default.
.
I just tried stopping firewalld and selinux at either computer, client and
server, one at a time, but it would not connect with any
one of them stopped.
-- Bob Goodwin - Zuni, Virginia, USA http://www.qrz.com/db/W2BOD box10 FEDORA-27/64bit LINUX XFCE Fastmail POP3