TCP SYN (p0f)

4:48+16:0:1440:mss*20,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-08-01 09:08 · last seen 2026-08-01 09:08 · JSON

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1440
Window sizemss*20
Window scale7
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
t12d280700_b75078996b15_6b16546de8021

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_32287c24fa5b_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1440_71

User-Agent

fingerprintco-occurrences
curl/7.29.01

Country

fingerprintco-occurrences
CN · China1

Network (ASN)

fingerprintco-occurrences
AS56046 · China Mobile communications corporation1