TCP SYN (p0f)

4:54+10:0:1460:mss*22,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-08-26 12:40 · last seen 2026-09-02 21:34 · JSON

Decomposed attributes

IP version4
Initial TTL54+10
Options length0
MSS1460
Window sizemss*22
Window scale7
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
t13i170900_5b57614c22b0_78e6aca7449b2
t13d3514h1_bfa337485184_678a800b22211

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_be0d0b335e46_000000000000_0000000000001
ge11nn070000_f395b2c4bb38_000000000000_0000000000001
ge11nn050000_e81ae831f766_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
32120_2-4-8-1-3_1460_73

User-Agent

fingerprintco-occurrences
libredtail-http2
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
BG · Bulgaria2
KR · South Korea1

Network (ASN)

fingerprintco-occurrences
AS209604 · 2E TELEKOMUNIKASYON LTD STI2
AS4766 · Korea Telecom1