1. httpd can listen any port. The port number does not convert http into https. You have to tell the httpd to SSL the traffic. Read documentation of httpd on how to do it.
2. You have effectively no firewall, because you allow everything.
Read the documentation of firewalld/firewall-cmd on how to locate and erase harmful rules from zone 'public'.
how to open port 443?
Issues related to configuring your network
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