TCP SYN (JA4T)

7300_2-4-8-1-3_1420_3

first seen 2026-07-10 10:44 · last seen 2026-07-10 10:44 · JSON

Decomposed attributes

TCP window7300
Option kinds2-4-8-1-3
MSS1420
Window scale3

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
t13d491200_bd868743f55c_7c76daad20ec1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_c41ada48459b_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1420:mss*5,3:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.6998.45 Safari/537.361

Country

fingerprintco-occurrences
PT · Portugal1

Network (ASN)

fingerprintco-occurrences
AS2860 · NOS COMUNICACOES, S.A.1