TCP SYN (JA4T)

64240_2-1-3-4-8_1240_8

first seen 2026-09-08 08:44 · last seen 2026-09-08 08:44 · JSON

Decomposed attributes

TCP window64240
Option kinds2-1-3-4-8
MSS1240
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
t13d1515h1_8daaf6152771_0a20fe35d3a51

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:110+18:0:1240:mss*44,8:mss,nop,ws,sok,ts:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS6206 · Netrouting B.V.1