p0f

Multi-protocol passive fingerprinting library: TCP/HTTP (p0f-style) + TLS (JA4-style) analysis in Rust

p0f v3 with impersonation spoofing, written in Python - Accurately guess the OS of a packet with passive fingerprinting.

Network Tools

Purely passive OS and application fingerprinting system

modernized and C99 compliant port of p0f (Passive OS fingerprinting)

Consent-only OpenVPN passive telemetry lab with localized dashboard and one-script VPS deployment

Clean proxies with UDP and p0f for scraping, SEO, ads, anti-detect browsers, automation and e-commerce.

Floodspark Counterespionage Firewall (CEF) helps you record and block or honeypot reconnaissance or otherwise illegitimate traffic. CEF is like a web application firewall (WAF) but protects against reconnaissance.

TCP Fingerprinting of email senders.

Passive TCP SYN fingerprint (p0f-style) and TCP/TLS RTT variables for nginx

Small tool to test your network connectivity

TCP SYN packet collector for Node.js

p0f with Python.

Detecting Network Address Translation & Proxy Use

Passive OS fingerprinting support for rspamd

Quarterly empirical data on TCP fingerprint distribution in the residential proxy market

🔍 PASSIVE OS FINGERPRINTING. Python p0f implementation. Detect hosts. Reveal OS without touching. 🕵️

OS Fringerprinting

Make proxy VPS egress look like a real macOS desktop at every layer: eBPF RTT shaping, Darwin TCP SYN reshaping, stock Chrome. 让代理出口在每一层都呈现真实 macOS 桌面。