TCP SYN (p0f)

4:115+13:0:1460:8192,8:mss,nop,ws,nop,nop,sok:df,id+:0

first seen 2026-08-29 21:00 · last seen 2026-08-29 21:00 · JSON

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

IP version4
Initial TTL115+13
Options length0
MSS1460
Window size8192
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
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_bbd4f008d9b2_f28add8e7af01

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn020000_818f42cc3fd7_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: php-guzzle 8.1.0, php-guzzle 8.2.0, php-guzzle 8.0.2, +7 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
8192_2-1-3-1-1-4_1460_81

User-Agent

fingerprintco-occurrences
Mozilla/5.01

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS14061 · DigitalOcean, LLC1