Pawprint

🐾 A simple web app for inspecting TLS / HTTP/2 fingerprints.

Demo

Visit https://pawprint.dev/

Installation

cargo install pawprint

Starting the server

pawprint 0.0.0.0:443 --certs path/to/certs.pem --key path/to/key.pem

Development

# Generate a self-signed certificate
cargo install rcgen
rcgen

cargo r -- 127.0.0.1:8443 --certs certs/cert.pem --key certs/key.pem

Credits

This program is inspired by the following sites / libraries.

• TLS fingerprinting: How it works, where it is used and how to control your signature

• HTTP/2 fingerprinting: A relatively-unknown method for web fingerprinting

• TLSFingerprint.io

• salesforce/ja3

• ja3-rustls

• AKAMAI WHITE PAPER - Passive Fingerprinting of HTTP/2 Clients

License

This software is licensed under the AGPLv3.