TCP SYN (p0f)

4:112+16:0:1460:mss*32,11:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-29 23:12 · last seen 2026-06-29 23:12 · JSON

Decomposed attributes

IP version4
Initial TTL112+16
Options length0
MSS1460
Window sizemss*32
Window scale11
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
t13d131000_f57a46bbacb6_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn11enus_59d4f6088dec_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
46720_2-4-8-1-3_1460_111

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/117.01

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS35830 · Fast Servers (Pty) Ltd1