TCP SYN (JA4T)

64400_2-1-3_1400_10

first seen 2026-08-20 23:25 · last seen 2026-08-20 23:25 · JSON

Decomposed attributes

TCP window64400
Option kinds2-1-3
MSS1400
Window scale10

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
t13d1514h2_1f9c1ec88692_53a6d0ab1c421

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn13enus_016d87568c43_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:139264;2:0;4:121760;5:16384|12517377|3:0:0:42|m,p,a,s1

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1400:mss*46,10:mss,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
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
CA · Canada1

Network (ASN)

fingerprintco-occurrences
AS5645 · TekSavvy Solutions, Inc.1