TCP SYN (p0f)

6:49+15:0:1440:mss*30,9:mss,sok,ts,nop,ws:flow:0

first seen 2026-10-31 01:28 · last seen 2026-10-31 01:28 · JSON

Last 7 days (5 observations)

Decomposed attributes

IP version6
Initial TTL49+15
Options length0
MSS1440
Window sizemss*30
Window scale9
Options layoutmss,sok,ts,nop,ws
Quirksflow
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
t13d3515h1_8f004308c246_5c2c66f702b05

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_a1c329e38462_000000000000_0000000000004
ge11nn050000_3658ef221638_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: wget 1.21.4, wget 1.25.0, wget 1.21.3.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
43200_2-4-8-1-3_1440_95

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; Infrawatch/1.0; +https://infrawat.ch/)5

Country

fingerprintco-occurrences
GB · United Kingdom5

Network (ASN)

fingerprintco-occurrences
AS25369 · Hydra Communications Ltd5

TLS supported groups

fingerprintco-occurrences
001d,0017,0018,0019,0100,01015