TCP SYN (p0f)
6:50+14:0:1440:65535,9:mss,sok,ts,nop,ws:flow:0
first seen 2026-06-30 20:37 · last seen 2026-09-03 02:03 · JSON
Decomposed attributes
| IP version | 6 |
|---|
| Initial TTL | 50+14 |
|---|
| Options length | 0 |
|---|
| MSS | 1440 |
|---|
| Window size | 65535 |
|---|
| Window scale | 9 |
|---|
| Options layout | mss,sok,ts,nop,ws |
|---|
| Quirks | flow |
|---|
| 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)
HTTP request (JA4H)
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 152.0.7977.83, +81 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
3:100;4:10485760;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (JA4T)
User-Agent
Country
| fingerprint | co-occurrences |
|---|
DE · Germany | 1 |
US · United States | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|
AS3320 · Deutsche Telekom AG | 1 |
AS219329 · FLASH EDGE INFORMATION TECHNOLOGY LLC | 1 |
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).