TCP SYN (p0f)
4:51+13:0:1460:mss*20,10:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-10-28 06:14 · last seen 2026-10-28 06:14 · 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 | 51+13 |
| Options length | 0 |
| MSS | 1460 |
| Window size | mss*20 |
| Window scale | 10 |
| 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 |
|---|---|
t13d131000_f57a46bbacb6_cc8a6a8fc03c | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nr19zhtw_cad1c76fe02b_000000000000_000000000000 | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
29200_2-4-8-1-3_1460_10 | 1 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.6312.122 Safari/537.36 | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
EG · Egypt | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS8452 · TE-AS | 1 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13.The fingerprint page shows the full measured match list. More on the catalog. | 1 |