AiP Defense AlternativesOnly apps categorised as Firewalls

Fail2ban scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc. Generally Fail2Ban is then used to update firewall rules to reject the IP addresses for a specified amount of time...

IPBan is a FREE and open source application that allows auto banning ip addresses from failed login attempts. Many sources are watched such as SSH, SMTP, SQL-Server, MySQL, RDP and dropped packets.

Built to react fast in server farms environments (ISPs, HSPs, organisations...) Hookem-Banem is a log monitoring system which monitors logs being sent to a central server (syslog, file...) and on detection of malicious intent (repeated login failures, many failed RCPT commands...

IPQ BDB filtering is done by a user space netfilter daemon that issues verdicts after looking up the IP address in a Berkeley DB. The fuzzy blocking model, freely inspired by STOCKADE, is designed to block non-distributed dictionary attacks and mitigate spam.

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.