TCP SYN (JA4T)

63014_2-1-3-1-1-4_9002_8

first seen 2026-08-28 04:32 · last seen 2026-09-14 07:59 · JSON

Decomposed attributes

TCP window	`63014`
Option kinds	`2-1-3-1-1-4`
MSS	`9002`
Window scale	`8`

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)

fingerprint	co-occurrences
`t12d210700_76e208dd3e22_2dae41c691ec`	2
`t13d1011h1_61a7ad8aa9b6_3a8073edd8ef`	2

HTTP request (JA4H)

fingerprint	co-occurrences
`ge11nr030000_476ea6bb1469_000000000000_000000000000`	2
`ge11nr020000_e1391afd0c9d_000000000000_000000000000`	1
`he11nr020000_e1391afd0c9d_000000000000_000000000000`	1

TCP SYN (p0f)

fingerprint	co-occurrences
`4:120+8:0:9002:mss*7,8:mss,nop,ws,nop,nop,sok:df,id+:0`	4

Country

fingerprint	co-occurrences
`CA` · Canada	4

Network (ASN)

fingerprint	co-occurrences
`AS40934` · Fortinet Inc.	4