TCP SYN (JA4T)

42470_2-4-8-1-3_1370_7

first seen 2026-07-01 15:50 · last seen 2026-07-01 15:50 · JSON

Decomposed attributes

TCP window42470
Option kinds2-4-8-1-3
MSS1370
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
t13d311100_e8f1e7e78f70_d41ae481755e Match?Exact match in Thumbprint's published controlled catalog captures: rust-hyper 1.11.1, rust-hyper 1.11.0, rust-hyper 1.12.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_80c20a6e2957_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:57+7:0:1370:mss*31,7:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Ruby1

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS396982 · Google LLC1