TCP SYN (p0f)

4:56+8:0:1460:mss*44,0:mss,sok,ts:df,id+:0

first seen 2026-07-10 13:41 · last seen 2026-09-30 04:12 · JSON

Decomposed attributes

IP version4
Initial TTL56+8
Options length0
MSS1460
Window sizemss*44
Window scale0
Options layoutmss,sok,ts
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
t12i130500_2d7513195f68_e51b7354d87f17

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr040000_e1d2031bdfea_000000000000_00000000000017

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8_1460_0017

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.3617

Country

fingerprintco-occurrences
US · United States17

Network (ASN)

fingerprintco-occurrences
AS63949 · Akamai Connected Cloud17