How To Install and Configure an OpenVPN Server on Debian 9 In 5 Minutes

I am a new Debian Linux version 9 server user. How do I setup an OpenVPN Server on Debian Linux version 9.x or 8.x server to shield my browsing activity from bad guys on public…

How to check and verify md5/sha1/sha256 checksums for Apple MacOS X when I download files

M alware is becoming more and more common for macOS. I wanted to make sure file I downloaded files such as an ISO image or firmware are safe before install on my system. How do…

How To Set Up a Firewall with PF on FreeBSD to Protect a Web Server

I am a new FreeBSD server user and moved from netfilter on Linux. How do I setup a firewall with PF on FreeBSD server to protect a web server with single public IP address and…

How to hide PHP 5/7 version when using Nginx

I am using PHP 5.6.xx and Nginx server on an Apline Linux server. I want to hide ‘X-Powered-By: PHP/5.6.32’ HTTP header. How can I hide PHP version when using Nginx along with PHP-fpm5 or PHP-fpm7?…

How to Force Users to Change Passwords in WordPress – Expire Password

Do you want to force users to change passwords in WordPress? If you are worried that your WordPress security may have compromised, then you should reset all passwords immediately. In this article, we will show…