TCP SYN (p0f)

4:56+8:0:1460:mss*30,12:mss,sok,ts,nop,ws:df,id+,ts2+:0

first seen 2026-06-25 20:11 · last seen 2026-06-25 20:11 · JSON

Decomposed attributes

IP version4
Initial TTL56+8
Options length0
MSS1460
Window sizemss*30
Window scale12
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+,ts2+
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
t13d190900_9dc949149365_97f8aa674fd98

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr11enus_d756a6a6873f_000000000000_0000000000008

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.01
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Safari/605.1.151
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.361
Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.01
Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Mobile/15E148 Safari/604.11
Mozilla/5.0 (Linux; Android 14; SM-S928B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands8

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED8