Iptables Essentials: Common Firewall Rules and Commands.

An execution engine for Wireshark-like filters

Windows Firewall Notifier extends the default Windows embedded firewall by allowing to handle and notify about outgoing connections, offers real time connections monitoring, connections map, bandwidth usage monitoring and more...

Data-Shield IPv4 Blocklist vise à réduire le nombre et la surface d'attaques en bloquant les adresses IP identifiées comme sources d’activités malveillantes.

Automated OWASP CRS and Bad Bot Detection for Nginx, Apache, Traefik and HaProxy

🚦 Block malicious crawlers with Cloudflare Firewall Rules

Rules of Cloudflare Firewall for Block Bad Bot and Exploiting

PowerShell scripts to automatically create rules for Windows firewall

IP leak prevention for OpenVPN

Ansible role for hardening Linux

开源威胁情报，包含3个组件，2个查询API，1个前端，300万+恶意IP，Go +Redis开发的威胁情报查询API性能良好，恶意IP一直在更新。

Minimal Firewall is a portable Windows firewall frontend that alerts users to internet connections without requiring custom kernel modifications or disabling core isolation, striking a balance between Window Defender's security and Simplewall's functionality.

Bash script to create nftables sets of country specific IP address ranges for use with firewall rulesets. The project provides a simple and flexible way to implement geolocation filtering with nftables. It can be a useful tool to reduce the chance of malware, ransomware and phishing attempts as well as mitigating the effects of DDoS attacks.

IP list full of bad IPs - Updated every 2H

This repository contains Malicious Indicator of Compromise (IOC) blocklist for MISP, firewall which is vital for cybersecurity professionals to enhance threat detection and improve incident response capabilities.

Block hosts that attempt to bruteforce SSH using the journald API.

Application allows to block Internet access to other applications / Приложение позволяет заблокировать доступ в интернет другим приложения

🧱 Ban subnets using Windows Firewall rules after they make enough incorrect login attempts, as indicated by Windows Event Log records.

Anti DDOS Protection that will stop DDOS from taking down your Linux Server

DirectFire Firewall Converter - Network Security, Next-Generation Firewall Configuration Conversion, Firewall Syntax Translation and Firewall Migration Tool - supports Cisco ASA, Fortinet FortiGate (FortiOS), Juniper SRX (JunOS), SSG / Netscreen (ScreenOS) and WatchGuard (support for further devices in development). Similar to FortiConverter, Sm…