brute force attacks

Discover the security benefits of using Fail2Ban to protect against brute force attacks. This guide explains how to install and configure the tool on various Linux systems, customize settings for different services, and enhance overall server security. Essential for any Linux server admin, Fail2Ban blocks IP addresses after repeated failed login attempts, providing a robust defense against cyber threats.

Secure SSH access is vital for protecting server infrastructure. This guide outlines steps to enhance SSH security, including adopting key-based authentication, disabling password logins and root access, changing the default port, and using firewalls with "AllowUsers" to control access. Implementing two-factor authentication, regular updates, and tools like Fail2Ban further secure SSH environments against unauthorized access.