TCP SYN (p0f)
4:49+15:0:1460:65535,11:mss,nop,nop,sok,nop,ws:df,id+:0
first seen 2026-09-11 09:19 · last seen 2026-09-11 09:19 · JSON
Last 7 days (2 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 | 49+15 |
| Options length | 0 |
| MSS | 1460 |
| Window size | 65535 |
| Window scale | 11 |
| Options layout | mss,nop,nop,sok,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_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nn030000_cd680697de12_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.5, powershell 7.6.4, go-net/http 1.27.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
65535_2-1-1-4-1-3_1460_11 | 2 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
FR · France | 2 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS211590 · Bucklog SARL | 2 |