What is the Difference between Dos and DDoS Attacks? | ArkHost.blog

DoS vs DDoS: Differences and methods of mitigation

For any website to work well, it is essential to ensure reliable connectivity and protect it from attacks and hacks. After all, hacker attacks, regardless of their type, result in one thing: the site’s failure or the substitution of a copy by intruders. Minimizing the damage caused by “man-made failures” will only work if the server […]

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What is IT Infrastructure and what are its Components? | ArkHost.blog

What exactly is an IT infrastructure

In general terms, an IT infrastructure is a set of interconnected components that can be used to organize and manage your information environment. If you have at least one computer in your home that is connected to the Internet, you already have a home IT infrastructure. At the enterprise level, the IT infrastructure includes the components […]

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What is Social Engineering Attack and How to Prevent It? | ArkHost.blog

CAUTION, it’s a trap: What is Social Engineering?

What is social engineering, and how did that come into existence? Social engineering or “human attack” is a set of psychological and sociological techniques, approaches and methods that make it possible to obtain confidential information. “Hi! I ended up in a difficult situation. Can you borrow 50 euros?” Have you received such messages on social networks […]

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How to Secure Files and Directories using ACLs in Linux | ArkHost.blog

Securing Files & Directories using ACLs in Linux

Our top priority is to secure and protect data from unauthorized access. We are all aware of the permissions we set using some handy Linux commands like chmod, chown & chgrp. However, these default permissions sets have some limitations and at times do not work to meet our requirements. For example, we cannot set different permissions […]

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What is Rsync & How to Transfer Files with Rsync | Fast data Transfer Tool

Transfer files with Rsync

What is Rsync? Rsync stands for “remote synchronization”. It is a remote and local file synchronization tool that helps you efficiently transfer files. Rsync is faster than tools like Secure Copy Protocol (SCP) as it uses the delta-transfer algorithm that minimizes the data transfer by copying only the sections of a file that have been changed. […]

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How to Mitigate attacks with Iptables, Fail2ban and Ipset | ArkHost.blog

Mitigate attacks with iptables, fail2ban and ipset

In this short article, we will describe useful steps to prevent attacks and other malicious attempts like DDOS attacks and various Nmap scans. Assuming we do the configuration on a Debian-based system. First of all, we need to install the necessary tools apt-get install ipset iptables-persistent fail2ban Let’s start adding some rules to iptables. Drop invalid […]

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