TCP SYN (p0f)

4:56+8:0:1460:65535,6:mss,nop,ws,sok,ts:df,id+:0

first seen 2026-06-30 19:10 · last seen 2026-06-30 19:10 · JSON

Decomposed attributes

IP version4
Initial TTL56+8
Options length0
MSS1460
Window size65535
Window scale6
Options layoutmss,nop,ws,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
t13d260900_6d1bcf7a4624_188c7f576dcd1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr11enus_0bc436807bd0_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-4-8_1460_61

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.01

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS22616 · ZSCALER, INC.1