TCP SYN (p0f)

4:42+22:0:1360:mss*44,1:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-08-07 18:03 · last seen 2026-08-07 18:03 · JSON

Decomposed attributes

IP version4
Initial TTL42+22
Options length0
MSS1360
Window sizemss*44
Window scale1
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
t13d1713h1_ab0a1bf427ad_ecd0401ec68b Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_177aea7101ae_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1360_11

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.431

Country

fingerprintco-occurrences
OM · Oman1

Network (ASN)

fingerprintco-occurrences
AS28885 · OmanTel NAP1