TCP SYN (JA4T)

42340_2-4-8-1-3_1452_11

first seen 2026-07-01 15:04 · last seen 2026-07-01 15:04 · JSON

Decomposed attributes

TCP window42340
Option kinds2-4-8-1-3
MSS1452
Window scale11

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
t13d1011h1_61a7ad8aa9b6_f9531d9725131

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_341eb0d8946c_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1452:mss*29,11:mss,sok,ts,nop,ws::01

User-Agent

fingerprintco-occurrences
SoftNews/0.1 (+https://github.com/softnews)1

Country

fingerprintco-occurrences
IT · Italy1

Network (ASN)

fingerprintco-occurrences
AS3269 · Telecom Italia S.p.A.1