TCP SYN (p0f)

4:119+9:0:1460:8192,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0

first seen 2026-08-15 05:11 · last seen 2026-08-15 05:19 · JSON

Decomposed attributes

IP version4
Initial TTL119+9
Options length0
MSS1460
Window size8192
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
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
t13d181000_e8a523a41297_78e6aca7449b2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn06ru00_8c813b6f2fda_000000000000_0000000000001
ge11nn040000_487c3246ac94_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
8192_2-1-3-1-1-4_1460_82

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.2032

Country

fingerprintco-occurrences
FR · France2

Network (ASN)

fingerprintco-occurrences
AS49434 · FBW NETWORKS SAS2