TCP SYN (p0f)

4:108+20:0:1460:8192,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0

first seen 2026-06-22 10:24 · last seen 2026-07-05 16:41 · JSON

Decomposed attributes

IP version4
Initial TTL108+20
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
t13d1812h1_85036bcba153_b26ce05bbdd61
t12d260700_db6bc8f7861c_e52a70c5eba91

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_608e01151bf4_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.1
ge11nn030000_cd680697de12_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.5, powershell 7.6.4, go-net/http 1.27.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
8192_2-1-3-1-1-4_1460_81

User-Agent

fingerprintco-occurrences
CVE-2023-201981
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/138.0 Safari/537.361

Country

fingerprintco-occurrences
KW · Kuwait1
DK · Denmark1

Network (ASN)

fingerprintco-occurrences
AS21050 · Fast Communication Company Ltd1
AS42525 · GlobalConnect A/S1