Daemon to ban hosts that cause multiple authentication errors

RedisPushIptables is used to update firewall rules to reject the IP addresses for a specified amount of time or forever reject.

CrowdSec is an open-source cyber security tool. This plugin blocks detected attackers or display them a captcha to check they are not bots.

Execute actions based on log records

The official PHP bouncers library for the CrowdSec LAPI

ipset/nftables-based banning utility

player ban mod for minetest

👥 NSE (NMap Scripting Engine) Lua code for detecting IRC networks with IP address uncloaking weakness

Nope! A lightweight tool for monitoring your log files and dynamically blocking nuisance or malicious IPs based on easy to define, dynamic rules which you control

👥 Ruby script to uncloak users' virtual hosts on the FreeNode IRC network

An advanced punishment management system for Minecraft

React to text in log files or journal

🔐 Antares Project Ban Management Component. Improve application security, using advanced ip and emails blocking with wildcards and whitelists.

Find all the ip adresses that have repeat offenses according to the NGINX access logs.