TCP SYN (p0f)
4:50+14:0:1460:mss*44,7:mss,nop,nop,sok,nop,ws:df,id+:0
first seen 2026-08-25 16:37 · last seen 2026-08-25 16:37 · JSON
Decomposed attributes
| IP version | 4 |
|---|---|
| Initial TTL | 50+14 |
| Options length | 0 |
| MSS | 1460 |
| Window size | mss*44 |
| Window scale | 7 |
| 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 |
|---|---|
t13d3013h2_1d37bd780c83_8537cf56674e Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.18.0.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.13.0, +11 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
3:100;4:65536;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +8 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
64240_2-1-1-4-1-3_1460_7 | 1 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
curl/8.14.1 | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS11404 · Wave Broadband | 1 |