TCP SYN (p0f)
4:54+10:0:1460:62727,8:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-06-11 23:07 · last seen 2026-06-17 10:23 · JSON
Decomposed attributes
| IP version | 4 |
| Initial TTL | 54+10 |
| Options length | 0 |
| MSS | 1460 |
| Window size | 62727 |
| Window scale | 8 |
| Options layout | mss,sok,ts,nop,ws |
| Quirks | df,id+ |
| Payload class | 0 |
Co-observed signals
Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.
TLS ClientHello (JA4)
| fingerprint | co-occurrences |
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
HTTP request (JA4H)
HTTP/2 frames (Akamai)
User-Agent
Country
| fingerprint | co-occurrences |
US · United States | 2 |
Network (ASN)
| fingerprint | co-occurrences |
AS16509 · Amazon.com, Inc. | 2 |
Cross-transport links
TLS ClientHello fingerprints observed from the same client via the beacon's correlation id on the other transport (e.g. this stack over TCP ↔ that stack over QUIC).