Listener checks
code$ sudo nginx -t
syntax is ok
test is successful
$ sudo systemctl reload nginx
$ sudo ss -lntp | grep ':8186'
<no output>
$ getenforce
Enforcing
$ sudo tail -n 1 /var/log/nginx/error.log
bind() to 127.0.0.1:8186 failed (13: Permission denied)
$ sudo semanage port -l | grep http_port_t
http_port_t tcp 80, 443, 8080
$ sudo semanage port -l | grep -w 8186
<no output>