TCP SYN (p0f)

4:51+13:0:1460:mss*22,9:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-09-30 19:45 · last seen 2026-09-30 19:45 · JSON

Decomposed attributes

IP version4
Initial TTL51+13
Options length0
MSS1460
Window sizemss*22
Window scale9
Options layoutmss,sok,ts,nop,ws
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
t13d301200_1d37bd780c83_0b298858d6c11

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr06enus_09fb680966d5_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
32120_2-4-8-1-3_1460_91

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.01

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED1