A firewall sits between your server and your network traffic

www.asaduzzaman

The latest version of PHP is currently 7.4. If you are using a PHP version older than PHP 7.1, this means you will not receive security updates. Since security is very important, PHP should be updated. We found that most people on the sites we reviewed were using older PHP versions. Unfortunately, website owners are sometimes unaware of these things because they don't have enough information. Don’t be one of these people and make sure to upgrade your PHP version to the latest version. Sometimes some themes and plugins may not be compatible with the PHP version. This can cause interruptions and loading errors on your website. Before updating your PHP version, be sure to check if your themes and plugins are compatible with the current version.




If you don't know how to update your PHP version, contact the company that hosts your website. Technical support staff will assist you in upgrading PHP to the latest version. Use a Web Application Firewall (WAF) . The job of a firewall is to Marketing List filter out the most common threats before they reach the computer hosting your WordPress website. There are three most common firewalls you can use in your WordPress CMS system. They are as follows: Network Level Security: Stored at network level or machine level. This is typically used when you host WordPress in a data center you own. In terms of cost, this is easily the most expensive option. Generally used for high-end corporate websites. Host-level security: This is definitely better than a network-based WAF.





However, it is not recommended to use it on WordPress sites because the server load is too high. Cloud-based WAF: Typically implemented at the DNS level, it filters the most common threat types before they reach your WordPress server. From a financial perspective, it is the most secure application, but it may require you to change your DNS. There are two services we recommend you use to implement a WAF. You can use them too if you want. Cloudflare: You can use the paid version for $20 per month. However, the free version will also provide adequate protection. Sucuri: This is a WAF application available for $9.99 per month. Hiding WordPress Version Knowing which WordPress version you are using can make your website more vulnerable to hackers. If you are using an older version of WordPress and this happens, be prepared to be hacked immediately. Since the vulnerabilities in the relevant versions are known, hackers can more easily compromise your site.