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In order to modify firewall setting for http and https, please install following program for easy to setup.
The dbus setting is required before installing the firewall UI.

sudo yum -y install dbus dbus-python
sudo service messagebus start
sudo checkconfig messagebus on
sudo yum -y install system-config-firewall-tuitu

Then setup firewall 

sudo system-config-firewall-tui

Go to "Customize" then check "Secure WWW (HTTPS)" and "WWW (HTTP)"

If you get the following error when starting the firewall-tui, you need to install dbus.

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Middleware Installation

Web Server and PHP

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