Your Web Browser |
| HTTP User-Agent | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) |
| QUIC Connection |
|
QUIC Fingerprint |
| JA4 |
|
| JA4_r | |
| HTTP3 | |
| HTTP3 Hash | |
The current JA4 format does not cover all useful signals, such as QUIC Transport Parameters and other QUIC connection artifacts.
QUIC Connection |
| IP Address | |
| Source Port | |
| DCID | |
| DCID Length | |
| RTT | |
| MTU Estimate | |
| Conn Start Time | |
| Conn Idle Timeout | |
| Conn Duration | |
| Conn Requests | |
QUIC Initial Packets |
TLS Handshake |
| TLS Protocol | |
| Cipher Suite | |
| Key Exchange | |
| Signature Scheme | |
Encrypted Client Hello |
| ECH Success | |
| Outer SNI | |
| Inner SNI | |
Supported Cipher Suites (in order as received) |
Supported TLS Extensions (in order as received) |
| TLS Extensions | |