TCP SYN (p0f)

4:118+10:0:1380:mss*47,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0

first seen 2026-06-19 04:30 · last seen 2026-06-19 04:30 · JSON

Decomposed attributes

IP version4
Initial TTL118+10
Options length0
MSS1380
Window sizemss*47
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
Quirksdf,id+,ecn
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
t12d200700_22c523c4c553_2dae41c691ec1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_cf1edba2959c_000000000000_0000000000001

User-Agent

fingerprintco-occurrences
Mozilla/5.01

Country

fingerprintco-occurrences
SE · Sweden1

Network (ASN)

fingerprintco-occurrences
AS21859 · Zenlayer Inc1