TCP SYN (p0f)

4:52+12:0:1460:mss*29,12:mss,nop,nop,sok,nop,ws:df,id+,ecn:0

first seen 2026-08-30 13:56 · last seen 2026-08-30 13:56 · JSON

Decomposed attributes

IP version4
Initial TTL52+12
Options length0
MSS1460
Window sizemss*29
Window scale12
Options layoutmss,nop,nop,sok,nop,ws
Quirksdf,id+,ecn
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
t13d1516h2_8daaf6152771_eeeea65629604

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr13enus_dee81a311bfc_000000000000_0000000000002
ge20nn13enus_dee81a311bfc_000000000000_0000000000001
ge20nn12enus_1da1240e68f4_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:4096;2:0;4:32768;5:16384|12517377|3:0:0:42|m,p,a,s1
1:4096;2:0;4:32768;5:16384|12517377|5:0:0:42|m,p,a,s1
1:4096;2:0;4:32768;5:16384|12517377|9:0:0:42|m,p,a,s1
1:4096;2:0;4:32768;5:16384|12517377|7:0:0:42|m,p,a,s1

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-1-1-4-1-3_1460_124

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Android 16; Mobile; rv:154.0) Gecko/154.0 Firefox/154.04

Country

fingerprintco-occurrences
FI · Finland4

Network (ASN)

fingerprintco-occurrences
AS50053 · VDSka hosting4