TCP SYN (JA4T)

32476_2-4-8-1-3_1412_7

first seen 2026-07-23 18:54 · last seen 2026-07-30 01:23 · JSON

Decomposed attributes

TCP window32476
Option kinds2-4-8-1-3
MSS1412
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
t13d131000_f57a46bbacb6_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.14

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr050000_3658ef221638_000000000000_00000000000014

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1412:mss*23,7:mss,sok,ts,nop,ws:df,id+:07
4:46+18:0:1412:mss*23,7:mss,sok,ts,nop,ws:df,id+:07

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; foda-scanner/0.1)14

Country

fingerprintco-occurrences
HK · Hong Kong SAR China14

Network (ASN)

fingerprintco-occurrences
AS135377 · UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED14