TCP SYN (p0f)

4:52+12:0:1460:mss*10,5:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-11 23:10 · last seen 2026-06-29 23:13 · JSON

Decomposed attributes

IP version4
Initial TTL52+12
Options length0
MSS1460
Window sizemss*10
Window scale5
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+
Payload class0

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
t13d1515h2_8daaf6152771_de4a06bb82e32

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn09enus_a545420ec371_000000000000_0000000000001
ge20nn10enus_9673d335a071_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p2

TCP SYN (JA4T)

fingerprintco-occurrences
14600_2-4-8-1-3_1460_51

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/85.0.4182.0 Safari/537.362

Country

fingerprintco-occurrences
BR · Brazil2

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.2