TCP SYN (p0f)

4:39+25:0:1460:mss*44,9:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-17 15:34 · last seen 2026-06-17 15:34 · JSON

Decomposed attributes

IP version4
Initial TTL39+25
Options length0
MSS1460
Window sizemss*44
Window scale9
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
t12d430700_1ce71f0edbb1_269097225c9f2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn04engl_63707e660d1b_000000000000_0000000000001
he11nn030000_72be10f4ec6f_000000000000_0000000000001

User-Agent

fingerprintco-occurrences
Java/1.8.0_3221
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5; Android) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.3895.54 Safari/537.36 HuaweiCrawler1

Country

fingerprintco-occurrences
HK · Hong Kong SAR China2

Network (ASN)

fingerprintco-occurrences
AS136907 · HUAWEI CLOUDS2