TCP SYN (JA4T)

65535_2-4-8-1-3_1414_8

first seen 2026-07-04 01:17 · last seen 2026-07-04 01:17 · JSON

Decomposed attributes

TCP window65535
Option kinds2-4-8-1-3
MSS1414
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
t12d2109h1_76e208dd3e22_7af1ed941c261

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_42db7fa4390b_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
6:54+10:0:1414:65535,8:mss,sok,ts,nop,ws:flow:01

User-Agent

fingerprintco-occurrences
curl/8.13.01

Country

fingerprintco-occurrences
RU · Russia1

Network (ASN)

fingerprintco-occurrences
AS12389 · PJSC Rostelecom1