TCP SYN (p0f)

4:109+19:0:1460:mss*29,13:mss,nop,nop,sok,nop,ws:df,id+:0

first seen 2026-09-14 02:19 · last seen 2026-09-14 02:19 · JSON

Decomposed attributes

IP version4
Initial TTL109+19
Options length0
MSS1460
Window sizemss*29
Window scale13
Options layoutmss,nop,nop,sok,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
t13d181000_e8a523a41297_78e6aca7449b1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_487c3246ac94_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-1-1-4-1-3_1460_131

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.2031

Country

fingerprintco-occurrences
SE · Sweden1

Network (ASN)

fingerprintco-occurrences
AS213954 · Global Transit Systems LLC1