TCP SYN (JA4T)

63443_2-1-1-4-1-1-8-1-3_1460_6

first seen 2026-09-02 18:19 · last seen 2026-09-02 18:19 · JSON

Decomposed attributes

TCP window63443
Option kinds2-1-1-4-1-1-8-1-3
MSS1460
Window scale6

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
ge11nn14enus_4a2973d235de_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1460:63443,6:mss,nop,nop,sok,nop,nop,ts,nop,ws: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/131.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
JP · Japan1

Network (ASN)

fingerprintco-occurrences
AS20473 · The Constant Company, LLC1