TCP SYN (p0f)

4:46+18:0:1440:65535,7:mss,nop,ws,nop,nop,ts,sok,eol+1:df:0

first seen 2026-09-21 18:01 · last seen 2026-09-21 18:01 · JSON

Decomposed attributes

IP version4
Initial TTL46+18
Options length0
MSS1440
Window size65535
Window scale7
Options layoutmss,nop,ws,nop,nop,ts,sok,eol+1
Quirksdf
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
t13d2613h2_2802a3db6c62_845d286b0d671

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn04zhcn_39a3ba4480e8_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
4:1048576;3:100|10485760|0|m,s,p,a1

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1440_71

User-Agent

fingerprintco-occurrences
AwemeLite/113502 CFNetwork/1121.2.2 Darwin/19.2.01

Country

fingerprintco-occurrences
CN · China1

Network (ASN)

fingerprintco-occurrences
AS4837 · CHINA UNICOM China169 Backbone1