How to Use Port Knocking To Secure SSH Service (Debian/Ubuntu)

How to Use Port Knocking To Secure SSH Service (Debian/Ubuntu)

At the beginning of reading the article, you may have a question about what SSH is and what its uses are. So, we will start with a brief explanation of the concept of SSH and…
MongoDB

The Benefits of MongoDB Database Management System

MongoDB is a tableless (NoSQL) and open-source database management System that stores, manages, and accesses document data based on JSON (JavaScript Object Notation). MongoDB was launched in 2009 by MongoDB Inc. It is developed. In…
Cloud servers

Cloud Servers: Features and Benefits

Cloud servers are virtual servers that run in a cloud computing environment. Unlike physical servers, cloud servers are not housed on-premises but can be accessed remotely through the Internet. They are provisioned with computing resources…
port

Types of Port in Computer Networks

Generally, a port is used as an identification number to communicate with various services and programs on Network devices. More precisely, a port is a virtual number assigned to an application or service to properly…
ESXiArgs

ESXiArgs ransomware security bug and solutions to fix it

According to the observations and the obtained news, many servers with Esxi virtualizer are now at risk of ESXiArgs ransomware. This risk exists in all versions 5 and 6. The reason for this security bug…
bug of ESXi Args

Security bug of ESXi Args ransomware and solutions to fix it

ESXi is the latest version of the VMware Hypervisor software suite, which is independent of the operating system and is installed directly on the hardware. Bare Metal technology is used in this software, and it…

How to connect to SSH server on alternate port

By default, SSH uses port number 22, and many sysadmins change it to avoid the onslaught of bot attacks that try to brute-force logins. If you need to connect to a server via SSH but…

9 things to do after buying a CentOS VPS

There are some important steps to take to set up a VPS after purchasing it: increase security and make it easier to use. This post will review some things to do after purchasing any VPS.…

How to Configure SSH on a Cisco Router

Data transfer through communication between several computers is one of the important topics in the third millennium, which has its complexities and issues. A computer network is created whenever two or more computer systems can…
Putty

What is Putty and How to connect to linux server?

What is Putty and How Does It Work? You have read or heard about Putty. But, you may wonder what Putty is and how it works. Well, we are going to explain it below. So,…