RdpGuard - RdpGuard allows you to protect your Remote Desktop (RDP), POP3, FTP, SMTP, IMAP, MSSQL, MySQL, VoIP/SIP from brute-force attacks by blocking attacker's IP address. Fail2Ban for Windows.
Shorewall - The Shoreline Firewall, more commonly known as “Shorewall”, is high-level tool for configuring...
SSHGuard - SSHGuard monitors services through their logging activity.
ufw - Ufw stands for Uncomplicated Firewall, and is program for managing a netfilter firewall.
IPBan - Block hacking attempts on RDP, SSH, SMTP and much more
ferm - ferm is a tool to maintain complex firewalls, without having the trouble to rewrite the complex...