TCP SYN (p0f)

4:46+18:0:1424:65535,9:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:df,id+:0

first seen 2026-07-15 18:03 · last seen 2026-07-15 18:03 · JSON

Decomposed attributes

IP version4
Initial TTL46+18
Options length0
MSS1424
Window size65535
Window scale9
Options layoutmss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,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
t13d311000_e8f1e7e78f70_e1d1bdc3e2a21

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn05en00_978ba9f30f5e_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1424_91

User-Agent

fingerprintco-occurrences
okhttp/3.01

Country

fingerprintco-occurrences
CN · China1

Network (ASN)

fingerprintco-occurrences
AS45090 · Shenzhen Tencent Computer Systems Company Limited1