TCP SYN (p0f)

4:42+22:0:1440:mss*45,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-29 23:14 · last seen 2026-06-29 23:14 · JSON

Decomposed attributes

IP version4
Initial TTL42+22
Options length0
MSS1440
Window sizemss*45
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
t13d521100_b262b3658495_8e6e362c5eac1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_cabeb744284e_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-4-8-1-3_1440_101

User-Agent

fingerprintco-occurrences
axios/0.24.01

Country

fingerprintco-occurrences
RU · Russia1

Network (ASN)

fingerprintco-occurrences
AS49505 · JSC Selectel1