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What is a Website Firewall (WAP)?

antivirus softwareA web application firewall (WAF) is an security solution that protects your website from different types of attacks: filters out bad bot traffic between a client and your website, prevents SQL injections and brute force attacks. Website Firewall is  a valuable network security measure that places a set of rules on incoming and outgoing traffic in order to prevent your website from being hacked or malware installed on your server.

When it comes to website security there is no such thing as a perfect setup. There is no perfectly secure websites. You want to harden your website against the possibility of attack by taking a wide variety of security measures –one of them is a website firewall.

Many of today’s website security plugins and features offer different types of tools that cover the full breadth of security hardening options available to most popular CMS users. So don’t have to worry about needing to manage a lot of different security options.

However, even within these tools and services you may choose to only use some of the security measures available. This will no doubt be for personal reasons based on the specific needs of your website. But there are some good reasons you may want to make a firewall one of those measures.

Web Application Firewall is a great way we can make life difficult for hackers and cybercriminals. In essence, a web application firewall is just what it sounds like — a firewall specifically designed to protect web applications like WordPress, Joomla, Magento and others. A WAF functions in much the same way as the firewalls you may have on your PC or at your work. It is positioned between your site and the Internet. The firewall looks at the requests made to your site and if it likes what it sees, it lets them through. If the request matches a pattern that the firewall considers a likely risk to security, it will drop the request, keeping your site safe and secure.

As an example, there is a common attack known as an SQL injection. Hackers will try to trick your site into running SQL queries on its MySQL database. Most Web Firewalls can be configured to watch the requests to a site for a suspicious behavior and prevent the  SQL injection. The website firewall will stop those requests before they ever reach your website. Even if there is a vulnerability, the attacker won’t be able to exploit it.

Simple Security Firewall is free, and will block URLs matching patterns associated with suspicious activity, attempting to stymie brute force attacks, spam bot comments, and other attacks.

A Web Application Firewall is not a replacement for other security best practices, but it can be a great first line of defense against attacks against your WordPress site.

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