
Description: SSHGuard is an intrusion prevention software for Linux and BSD systems. It works by detecting automated brute force attacks against SSH servers and blocks attackers' IP addresses with advanced firewall rules. It is lightweight, easy to configure, and helps harden SSH servers against attacks.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DenyHosts is an open-source program designed to help system administrators thwart SSH server attacks by blocking IP addresses using failed authentication attempts to detect attackers. It adds IP addresses to the system's /etc/hosts.deny file when it identifies too many failed SSH attempts.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API