TCP SYN (JA4T)

64440_2-4-8-1-3_1432_8

first seen 2026-07-03 00:07 · last seen 2026-07-03 00:07 · JSON

Decomposed attributes

TCP window64440
Option kinds2-4-8-1-3
MSS1432
Window scale8

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
t13d3013h2_1d37bd780c83_8537cf56674e2

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn10enus_3d89cb764348_000000000000_0000000000001
ge20nr05enus_0297673e9c5b_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:100;4:65536;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog.2

TCP SYN (p0f)

fingerprintco-occurrences
6:48+16:0:1432:mss*45,8:mss,sok,ts,nop,ws:flow:02

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:151.0) Gecko/20100101 Firefox/151.02

Country

fingerprintco-occurrences
CL · Chile2

Network (ASN)

fingerprintco-occurrences
AS27651 · ENTEL CHILE S.A.2