JA4+ is a suite of network fingerprinting standards
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Updated
Dec 31, 2025 - Rust
JA4+ is a suite of network fingerprinting standards
Multi-protocol passive fingerprinting library: TCP/HTTP (p0f-style) + TLS (JA4-style) analysis in Rust
Go HTTP client with browser-identical TLS/HTTP2 fingerprinting. Bypass bot detection by perfectly mimicking Chrome, Firefox, and Safari at the cryptographic level (JA3/JA4, Akamai fingerprint, header order). Supports HTTP/1.1, HTTP/2, HTTP/3, sessions, cookies, and proxies.
An fast asynchronous Rust HTTP/WebSocket Client with TLS/JA3/JA4/HTTP2 fingerprint impersonate
httpmorph is a drop-in replacement for Python's requests library that uses a custom C implementation with BoringSSL instead of Python's standard HTTP stack.
🚀obtain the client's ja3 fingerprint, http2 fingerprint, and ja4 fingerprint
JA4TScan is an active TCP server fingerprinting tool.
XDR with eBPF-powered firewall and proxy. Protect your Linux servers.
TLS fingerprinting HTTPS server
HAProxy (community) Lua Plugin for JA4 TLS Client-Fingerprinting
JA4T TCP-Fingerprinting via eBPF
huginn-proxy is an HTTPS reverse proxy that extracts and forwards client fingerprints (JA4, Akamai HTTP/2) as HTTP headers to backends, powered by huginn-net
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