TCP SYN (p0f)
4:108+20:0:1460:mss*44,2:mss,nop,ws,sok,ts:df,id+,ecn:0
first seen 2026-06-17 18:17 · last seen 2026-06-17 18:17 · JSON
Decomposed attributes
| IP version | 4 |
|---|
| Initial TTL | 108+20 |
|---|
| Options length | 0 |
|---|
| MSS | 1460 |
|---|
| Window size | mss*44 |
|---|
| Window scale | 2 |
|---|
| Options layout | mss,nop,ws,sok,ts |
|---|
| Quirks | df,id+,ecn |
|---|
| 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. | 1 |
HTTP request (JA4H)
HTTP/2 frames (Akamai)
User-Agent
Country
| fingerprint | co-occurrences |
|---|
BY · Belarus | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|
AS42772 · Unitary enterprise A1 | 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).