When you publish Artica as an Internet service such as Wordpress, Reverse-Proxy or RDS Proxy, it's a good idea to protect your server with a minimum of firewall service.
A connector link 2 networks Interfaces in order to make a communication bridge between 2 networks.
If you are installing a CMS application or managing a WordPress site on the Internet, it is important to check what your server is doing as outbound connections.
The Web services firewall prohibits the Web service from making outgoing connections except those that you have expressly authorized.