How To Protect SSH with Fail2Ban on Ubuntu 22.04

how to protect ssh with fail2ban on ubuntu 22.04

In this tutorial, we are going to show you how to protect SSH with Fail2ban on Ubuntu 22.04

SSH stands for Secure Shell Protocol and is a cryptographic network protocol for operating network services securely over an unsecured network. Fail2ban is an intrusion prevention software framework. Fail2ban is written in Python and is used to prevent brute-force attacks. In the next paragraphs, we are going to install Fail2ban and will provide you with commands for managing the fail2ban service. Then we will proceed with the fail2ban configuration for SSH protection.

Installing Fail2ban and protecting SSH is a straightforward process and may take up to 15 minutes. Let’s get started!

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How to Install Fail2ban on Ubuntu 22.04

how to install fail2ban on ubuntu 22.04

Fail2ban is an intrusion prevention tool that protects computers from brute force and other attacks by closely monitoring the log files. The tool would then ban the suspicious IP addresses based on the predefined number of failed login attempts to stop the attacks. Fail2Ban uses jails to monitor log files for authentication failures and other entries that can be considered suspicious activities.

It can be configured to send an email and/or ban the attacker’s IP address for a pre-defined length of time. After the ban period is over, the attacking IP address will be automatically unbanned. In this tutorial, we will show you how to install and configure Fail2ban on Ubuntu 22.04.

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How to Install and Configure Fail2ban on Ubuntu 20.04

how to install and configure fail2ban on ubuntu 20.04

In this article, we will explain how to install Fail2ban on Ubuntu 20.04. Fail2ban is an open-source tool used to help you protect your server from cyber-attacks. Fail2ban can detect brute-force and other automated attacks, by scanning your log files searching for the offending IPs.

installing and configuring fail2ban on ubuntu 20.04

When the attacker’s IP addresses are found those IPs are then banned for a specific length of time. You will learn in few easy steps about how to install it on Ubuntu 20.04. The installation will take no more than 5 minutes. So, let’s get started!

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Install Fail2ban on an Ubuntu 14.04 VPS

install-fail2ban-on-an-ubuntu-14-04In this tutorial, we will explain how to install Fail2ban on an Ubuntu 14.04 VPS. Fail2Ban is a Python application that monitors log files to detect potential intrusion attempts. Fail2ban scans the log files looking for specific patterns that indicate an attack. It uses iptables to block IPs that show the malicious signs such as brute-force attempts on SSH, HTTP, FTP, SMTP ..etc. This guide should work on other Linux VPS systems as well but was tested and written for Ubuntu 14.04 VPS.

 

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Install Fail2ban on CentOS

Install Fail2ban on CentOS

In this article we will explain how to install fail2ban on CentOS. Fail2ban is a free and open source framework developed in Python. It is an excellent and very helpful tool for stopping the endless brute force attacks on your services and preventing intrusions into your system. Fail2ban scans the log files on your server for repeated password failures and bans the offending IP addresses. Installing Fail2Ban on CentOs is an easy task if you carefully follow the steps bellow.

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