TCP SYN (p0f)

4:38+26:0:1200:mss*20,8:mss,nop,nop,sok,nop,ws:df,id+:0

first seen 2026-10-12 00:36 · last seen 2026-10-12 00:36 · JSON

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

IP version4
Initial TTL38+26
Options length0
MSS1200
Window sizemss*20
Window scale8
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
t13i170900_5b57614c22b0_78e6aca7449b2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn070000_07b5c846fda8_000000000000_0000000000001
ge11nn050000_0c34b9a6def6_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-1-1-4-1-3_1200_82

User-Agent

fingerprintco-occurrences
libredtail-http2

Country

fingerprintco-occurrences
CM · Cameroon2

Network (ASN)

fingerprintco-occurrences
AS36912 · Orange Cameroun SA2