TCP SYN (p0f)

4:54+10:0:8960:mss*7,8:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-08-18 07:13 · last seen 2026-08-18 07:13 · JSON

Decomposed attributes

IP version4
Initial TTL54+10
Options length0
MSS8960
Window sizemss*7
Window scale8
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
t13d1210h2_5291b2ad6ef9_5603904660151

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn04enus_989c7cc05c9b_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p1

TCP SYN (JA4T)

fingerprintco-occurrences
62720_2-4-8-1-3_8960_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.4 Safari/537.361

Country

fingerprintco-occurrences
SE · Sweden1

Network (ASN)

fingerprintco-occurrences
AS214503 · QuxLabs AB1