fixed by issueing this command: sudo setsebool httpd_can_network_connect on
-P
and this [/etc/nginx/nginx.conf]
...
http {
...
server {
...
location /tunnel/ {
proxy_pass http://127.0.0.1:6033;
}
}
}
Posted at Nginx Forum: https://forum.nginx.org/read.php?2,288756,288763#msg-288763