TCP SYN (p0f)

6:43+21:0:1360:65535,13:mss,sok,ts,nop,ws:flow:0

first seen 2026-09-02 06:32 · last seen 2026-09-02 06:32 · JSON

Decomposed attributes

IP version6
Initial TTL43+21
Options length0
MSS1360
Window size65535
Window scale13
Options layoutmss,sok,ts,nop,ws
Quirksflow
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_d41ae481755e1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_66d37a417839_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1360_131

User-Agent

fingerprintco-occurrences
Python/3.10 aiohttp/3.11.111

Country

fingerprintco-occurrences
UA · Ukraine1

Network (ASN)

fingerprintco-occurrences
AS13335 · Cloudflare, Inc.1