TCP SYN (p0f)

4:103+25:0:1436:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0

first seen 2026-06-22 20:52 · last seen 2026-06-23 22:33 · JSON

Decomposed attributes

IP version4
Initial TTL103+25
Options length0
MSS1436
Window size65535
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
Quirksdf,id+,ecn
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
t13d201100_2b729b4bf6f3_36bf25f296df2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn010000_4740ae6347b0_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: rust-hyper 1.11.0, rust-hyper 1.11.1, rust-hyper 1.10.1.The fingerprint page shows the full measured match list. More on the catalog.2

Country

fingerprintco-occurrences
NL · Netherlands2

Network (ASN)

fingerprintco-occurrences
AS202412 · Omegatech LTD2