AuthorIlias spiros

How can I restore files and recover a website

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It’s easier to prevent than to heal, and that’s why we need to mention – even now – that it’s imperative to have a backup with all the data in your web hosting account. It is said that there are two categories of people: those who back up their data and the ones that will need a backup of it. However, if you are in the unfortunate situation of completely losing the...

5 reasons why it’s important to always have a website backup

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Are you prepared for a situation when your website might is compromised? What if you delete a picture or an article by mistake? What if a platform update fails? For all these situations the answer is: make a backup. Your web hosting provider should typically have a backup of your data. In this article, we will focus on the actions you can take, as a web hosting client, to be covered in various...

The 7 Layers of the OSI Model

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The OSI model is a framework that defines how different types of digital equipment communicate across a network. This model is divided into seven layers, each one being independent of the other. The OSI Reference Model, OSI being an acronym for Open Systems Interconnection is a stack of hierarchical communication protocols very often used to build a computer network. OSI is a standard of the...

What is VoIP

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VoIP is an acronym for Voice over Internet Protocol, also called IP Telephony or Internet Telephony and can be defined as the process of transmitting voice conversations through IP data connections or digital networks where this protocol is used. There are three main categories of traffic on the Internet: 1) Data Traffic 2) Voice Traffic 3) Video Traffic VoIP is a technology that gives us the...

What is IPSec

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Internet Protocol Security, short for IPSec, is a suite of protocols for securing communications across the TCP/IP stack. This suite is based on the use of mathematical functions along with encryption and authentication algorithms to ensure the privacy, integrity, and authenticity of information from each IP packet transmitted on the network. IPSec is a framework that helps protect information...

What is a Virtual Private Network

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A Virtual Private Network, or a VPN as it most commonly called, is a private tunnel that connects two or more networks over the Internet. The way a VPN works is by linking the two networks as if they are directly connected and secured the traffic between them by encryption, ensuring data integrity and data authentication. A virtual private network expands a private network over a public network...

What Is a Firewall and How Does a Firewall Work

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When talking about computer networks, a firewall can be defined as a software or a device configured to filter, encrypt or allocate traffic between different security domains based on predefined rules. A firewall can prevent internet traffic coming from malicious sources, such as hackers, worms, and certain types of viruses before they cause issues to any device in the network behind it. In...

Top reasons to install an SSL certificate on your website

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The failure to protect a visitor’s personal data is a major theme when talking about internet security. The fact that personal data can be compromised is the primary concern of Internet users when choosing whether to visit your website or not. You can reduce security risks and protect visitors’ data on your website using an SSL certificate. In this article, you will discover the...

Differences between a managed VPS and an unmanaged VPS

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At the end of this post, you will learn about the benefits of using a VPS, when you need it and what are the differences between a managed VPS and an unmanaged VPS. To make this difference, first, we must determine what a VPS is and what its characteristics are. What is a VPS? A Virtual Private Server (VPS) is a virtual machine created on a physical machine using virtualization software, a...

What is Malware and how can we define it

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There are many types of malware software on the internet today. More specifically, we can split them into many categories, such as Viruses, Trojans, Worms, Ransomware and other programs that were designed with malicious intentions. A malware is a malicious program (aka malicious software that wants to steal, destroy, or corrupt data stored on digital devices). Many people use the generic term...

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