TCP SYN (p0f)

4:51+13:0:1460:65228,7:mss,nop,ws,sok,ts:df:0

first seen 2026-10-18 11:47 · last seen 2026-10-18 11:47 · 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 TTL51+13
Options length0
MSS1460
Window size65228
Window scale7
Options layoutmss,nop,ws,sok,ts
Quirksdf
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
t13d1516h1_8daaf6152771_1a63afa7c4781

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65228_2-1-3-4-8_1460_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
TR · Turkey1

Network (ASN)

fingerprintco-occurrences
AS12735 · TurkNet Iletisim Hizmetleri A.S.1

TLS supported groups

fingerprintco-occurrences
0a0a,001d,0017,00181