📖《网络代理与VPN应用详解》 详细阐述代理、隧道、VPN运作过程，并对GFW策略如：地址端口封锁、服务器缓存投毒、数字验证攻击、SSL连接阻断做相关的原理说明

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

Lockdown is a set of scripts, lists and configuration files used to quickly implement granular intelligent automated firewall security at the host level using iptables, ipset and fail2ban.

The official PHP bouncers library for the CrowdSec LAPI

Skynet Lite - IP Blocking For ASUS Routers Using IPSet.

PHP script with control panel to block IP web access from certain countries of your choosing.

Automatic proxy rotation for anonymous web requests.

A set of Bash shell scripts to monitor and handle IP traffic on your webserver

Block IPs with Vercel's Edge Middleware and Edge Config

KPots is a simple honeypots system to capture and log traffic to specified ports. Requires Netcat for monitoring and IPTables for banning. Requires dig for filtering out your own ip address. (Note: I will be adding alternatives in a later realease, but for now, just install dig.)

A Cybersecurity tool to detect and block IPs conducting port scans on a host machine.

IP list of port scanners

Laravel 8 Project Restrict User Access From IP Addresses. prevent other ip address that want to access over secure api or urls.

Lightweight alternative to fail2ban using nftables (banning IPs with failed login attempts)

This repository by Sequoia Heights MS offers an integrated solution featuring a probe and client. Our blocklists, sourced from our honeypot network, are freely available. We provide a sync client for up-to-date protection and a probe tool for contributing new data.

Simple, zero-dependencies ruby script to block IPs using ipsum lists

The official PHP remediation engine for CrowdSec

A Cybersecurity tool to detect and block IPs conducting port scans on a host machine.

Take back control over your privacy

AbuseIPDB API v2 JavaScript client