TCP SYN (p0f)
4:50+14:0:1300:mss*44,1:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-09-09 11:49 · last seen 2026-10-27 05:45 · JSON
Last 7 days (1 observations)
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 version | 4 |
|---|---|
| Initial TTL | 50+14 |
| Options length | 0 |
| MSS | 1300 |
| Window size | mss*44 |
| Window scale | 1 |
| Options layout | mss,sok,ts,nop,ws |
| Quirks | df,id+ |
| Payload class | 0 |
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)
| fingerprint | co-occurrences |
|---|---|
t13d1515h1_8daaf6152771_de4a06bb82e3 | 2 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nn13enus_9db22d02e17a_000000000000_000000000000 | 2 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
64240_2-4-8-1-3_1300_1 | 2 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.36 | 2 |
Country
| fingerprint | co-occurrences |
|---|---|
IN · India | 1 |
DZ · Algeria | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS45609 · Bharti Airtel Ltd. AS for GPRS Service | 1 |
AS36947 · Telecom Algeria | 1 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
0a0a,001d,0017,0018 | 1 |