Utilize misconfigured DNS and old database records to find hidden IP's behind the CloudFlare network

Open-source security research tool for identifying origin IP exposure of websites protected by Cloudflare and similar reverse proxy services.

CFnat 为 Windows 用户设计的 GUI 程序界面。

CFnat 是为优化 Cloudflare 数据中心性能而设计的 Docker 镜像，支持多架构，通过实时筛选并连接低延迟 IP，适用于网络加速与高效流量转发场景。

Utilize misconfigured DNS and old database records to find hidden IP's behind the CloudFlare network

Bypasses renowned CDNs like Cloudflare, Akamai, Fastly, CloudFront, and Incapsula, exposing the actual IP addresses behind websites.

优化 DNS Cloudflare IP

一个轻量级 Cloudflare IP 优选转发器，支持按 Cloudflare 数据中心过滤，并根据延迟和丢包率计算综合 score，始终使用当前最优 IP。单端口可同时承接 TLS 与非 TLS / HTTP 流量，支持百度前置代理，以及移动、电信、联通运营商分池监听入口。

一款助你搭建私人Cloudflare优选IP管理平台的开源项目，网上的第三方优选IP不一定适合你的网络环境，太多人用的IP质量也不高，速度慢，被网站封禁。本项目具备以下核心优势：纯网页操作测速，随时随地任何环境都能维护和更新IP；场景化配置，可以存储适配不同场景的IP，搭配API自动过滤；多种数据提供方式，可发布API，搭配网上各大佬的服务用起来更省心省力。

A Cloudflare IP Ping Tester. Built with Next.js

Automatically keep UFW firewall rules in sync with Cloudflare's IP ranges. Allow ports 80/443 only from Cloudflare edge — CLI + systemd timer for Ubuntu, Debian, and Raspberry Pi OS. Install with a single curl.

Find what's still reachable when the network says no. Built for heavily-filtered networks.

Auto update script to restoring original visitor IPs cloudflare ip for nginx on ubuntu

维护 DNS Cloudflare IP

A repository with a list of Cloudflare IP addresses updated every 5 hours.

this php file, mass change ip's all domain

Script: Find a better Cloudflare IP through HTTPing.

Lightweight Clash Subscription Proxy Service

Identify active network paths and test connectivity from restricted environments.

Sync your UFW firewall with Cloudflare IP ranges to restrict origin server access to Cloudflare traffic only.