Denyhosts is described as 'The idea of denying access to SSH servers is nothing new and I was inspired by many other scripts that I discovered. However, none of them did things the way I envisioned them to. Also, they were all shell scripts which do not offer the elegance of Python' and is an app in the Network & Admin category. There are more than 10 alternatives to Denyhosts for a variety of platforms, including Linux, Windows, Self-Hosted solutions, Mac and Online / Web-based. The best alternative is Fail2ban, which is both free and Open Source. Other great apps like Denyhosts are CrowdSec (Free, Open Source), SSHGuard (Free, Open Source), IPBan (Free, Open Source) and Cyberarms Intrusion Detection and Defense System (IDDS) (Free, Open Source).
win2ban is a Fail2ban implementation for Windows systems. It is a packaging of Fail2ban, Python, Cygwin, Winlogbeat and many other related tools to make it a complete and ready-to-use solution for brute-force attack protection.
mobileFX Spartan RDP Guard is an intrusion detection system (IDS) and host-based intrusion prevention system (HIPS) implemented as a Windows 64-bit or 32-bit Service with location-based attack reporting and instant notifications.