WordPress firewalls are web application firewalls (WAFs)that are specifically developed to protect WordPress sites. WAFs are relatively new to the web security industry. This guide explains what firewalls are, how they evolved into WAFs. It also highlights the different types of WordPress firewalls available on the market and how they work.
The Concept of Firewalls
A firewall is a security software or service that is installed between two or more networks to control both the incoming and outgoing traffic of each network. It acts as a barrier between a trusted and non-trusted network.
In a typical setup, a firewall is installed between an internet connection and an internal network. It is used to protect the network from incoming internet attacks. It is also used to control who can access the internet. If you are using a WiFi router at your home, the router is your home’s firewall. Nowadays almost all home Wi-Fi routers have a built-in firewall.
Evolving Into Web Application Firewalls
Originally firewalls were designed to control and block network traffic. They only did packet filtering and didn’t understand the traffic payload. So if you hosted a website on your network
Source: https://managewp.org/articles/18382/the-guide-to-wordpress-firewalls-wafs
source https://williechiu40.wordpress.com/2019/02/19/the-guide-to-wordpress-firewalls-wafs/
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