tallow
Tallow is a fail2ban/lard replacement that uses systemd's native journal API to scan for attempted ssh logins, and issues temporary IP bans for clients that violate certain login patterns.
SpyLog
lua-spylog - Execute actions based on log records
Fail2ban
Fail2ban scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password fail ...
win2ban
a Fail2ban implementation for Windows systems. It is a packaging of Fail2ban, Python, Cygwin, Winlogbeat and many other relate ...
Pyruse
Light-weight and extra-configurable peruser of systemd journal logs: ban IP, send immediate email, daily report… all based on ...