TCP SYN (p0f)

4:41+23:0:1460:mss*5,10:mss,sok,ts,nop,ws:df,id+,ecn:0

first seen 2026-06-11 06:02 · last seen 2026-06-11 06:02 · JSON

Decomposed attributes

IP version4
Initial TTL41+23
Options length0
MSS1460
Window sizemss*5
Window scale10
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+,ecn
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
t13i1515h2_8daaf6152771_02713d6af8621

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn06en00_426aae43ac51_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p1

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.361

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS45102 · Alibaba (US) Technology Co., Ltd.1