TCP SYN (p0f)
4:54+10:0:1460:mss*20,10:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-07-01 19:31 · last seen 2026-07-01 19:31 · JSON
Decomposed attributes
| IP version | 4 |
|---|---|
| Initial TTL | 54+10 |
| Options length | 0 |
| MSS | 1460 |
| Window size | mss*20 |
| Window scale | 10 |
| 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 |
|---|---|
t13d1511h2_8daaf6152771_b9003e5c3fb3 | 3 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nr12enus_54b4638ab28b_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 152.0.7977.83, chrome 151.0.7922.137, +61 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
ge20nr13enus_0c2c1d640f3e_000000000000_000000000000 | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
1:65536;2:0;4:6291456;6:262144|15663105|0|m,s,a,p | 3 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
29200_2-4-8-1-3_1460_10 | 3 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36 | 3 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 3 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS12129 · 123.Net, Inc. | 3 |
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).
| fingerprint | linked observations |
|---|---|
q13d0311h3_55b375c5d22e_653d80c3fe9d | 2 |