TCP SYN (JA4T)
65535_2-4-8-1-3_1286_9
first seen 2026-07-03 19:35 · last seen 2026-07-03 19:47 · JSON
Decomposed attributes
| TCP window | 65535 |
|---|
| Option kinds | 2-4-8-1-3 |
|---|
| MSS | 1286 |
|---|
| Window scale | 9 |
|---|
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 |
|---|
1:4096;2:0;4:32768;5:16384|12517377|3:0:0:22|m,p,a,s | 3 |
1:4096;2:0;4:32768;5:16384|12517377|3:0:0:42|m,p,a,s | 3 |
1:4096;2:0;4:32768;5:16384|12517377|5:0:0:42|m,p,a,s | 2 |
1:4096;2:0;4:32768;5:16384|12517377|5:0:0:22|m,p,a,s | 2 |
TCP SYN (p0f)
User-Agent
Country
| fingerprint | co-occurrences |
|---|
PL · Poland | 10 |
Network (ASN)
| fingerprint | co-occurrences |
|---|
AS41508 · ZINET.NET.PL Sp. z.o.o. | 10 |
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).