TCP SYN (JA4T)

28640_2-4-8-1-3_1432_7

first seen 2026-08-01 09:06 · last seen 2026-08-01 09:06 · JSON

Decomposed attributes

TCP window28640
Option kinds2-4-8-1-3
MSS1432
Window scale7

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
t12d280700_b75078996b15_6b16546de8021

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_32287c24fa5b_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
6:53+11:0:1432:mss*20,7:mss,sok,ts,nop,ws:flow:01

User-Agent

fingerprintco-occurrences
curl/7.29.01

Country

fingerprintco-occurrences
CN · China1

Network (ASN)

fingerprintco-occurrences
AS4812 · China Telecom (Group)1