Chattr Command

Linux chattr Usage (Make Files Untouchable)

Especially in open source scripts such as WordPress or Joomla, you have seen hackers can infiltrate all files by plugins or themes. Hackers can also add a malware code on every file which is really hard to find and prevent. But how you can prevent that kind of attacks and […]

What is a VPN

What is VPN and Why we need to use it ?

A VPN, or Virtual Private Network, basically create a secure connection to another network over the Internet. VPN was originally created for business operations and its purpose was connecting business networks together. Imagine that you have 3 departments and they have own networks and you want to connect each other […]

Setup and Install Fail2ban Centos 7

Fail2Ban Installation and Setup on CentOS 7

When you purchase or set up a linux virtual server, you also need to start to thinking about the security issues as soon as possible. Everyday attackers create new ways and tactics to compromise the servers. One of the most used attack types is Brute Force. This attack type is based […]