TCP SYN (JA4T)

65535_2-4-8-1-3_1392_9

first seen 2026-07-01 15:26 · last seen 2026-07-01 21:36 · JSON

Decomposed attributes

TCP window65535
Option kinds2-4-8-1-3
MSS1392
Window scale9

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)

fingerprintco-occurrences
t13d1513h2_8daaf6152771_eca864cca44a2

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn030000_80b089f68b8e_000000000000_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-occurrences
4:16777216|16711681|0|m,p,a,s2

TCP SYN (p0f)

fingerprintco-occurrences
6:45+19:0:1392:65535,9:mss,sok,ts,nop,ws:flow:01
6:43+21:0:1392:65535,9:mss,sok,ts,nop,ws:flow:01

User-Agent

fingerprintco-occurrences
Harmonic-HN-Android/3.0.1/release2

Country

fingerprintco-occurrences
BR · Brazil2

Network (ASN)

fingerprintco-occurrences
AS8167 · V tal2