TCP SYN (p0f)

6:113+15:0:1440:65535,8:mss,nop,ws,nop,nop,sok:ecn,flow:0

first seen 2026-07-08 18:25 · last seen 2026-07-08 18:25 · JSON

Decomposed attributes

IP version6
Initial TTL113+15
Options length0
MSS1440
Window size65535
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
Quirksecn,flow
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_36bf25f296df1

HTTP request (JA4H)

fingerprintco-occurrences
he11nn020000_d5c75abc5c2c_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1440_81

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS8075 · Microsoft Corporation1