TCP SYN (JA4T)

42340_2-4-8-1-3-34-1-1_1460_12

first seen 2026-09-02 15:37 · last seen 2026-09-12 06:03 · JSON

Decomposed attributes

TCP window42340
Option kinds2-4-8-1-3-34-1-1
MSS1460
Window scale12

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
t13d1516h1_8daaf6152771_d8a2da3f94cd11

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn14enus_f373e780f670_000000000000_0000000000005
po11nr15enus_09e4ed5d8ed5_000000000000_0000000000003
ge11nr13enus_e965362ed9da_000000000000_0000000000001
po11nr14enus_6397384559be_000000000000_0000000000001
ge11nn12enus_8eff6c7bee97_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:56+8:0:1460:mss*29,12:mss,sok,ts,nop,ws,?34,nop,nop:df,id+:08
4:49+15:0:1460:mss*29,12:mss,sok,ts,nop,ws,?34,nop,nop:df,id+:03

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.365
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
US · United States8
NL · Netherlands3

Network (ASN)

fingerprintco-occurrences
AS14061 · DigitalOcean, LLC11