TCP SYN (p0f)

4:53+11:0:1340:mss*48,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-29 23:12 · last seen 2026-06-29 23:12 · JSON

Decomposed attributes

IP version4
Initial TTL53+11
Options length0
MSS1340
Window sizemss*48
Window scale10
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
t13d311100_e8f1e7e78f70_24695f2957a71

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_66d37a417839_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64320_2-4-8-1-3_1340_101

User-Agent

fingerprintco-occurrences
Python/3.9 aiohttp/3.8.11

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS11878 · tzulo, inc.1