TCP SYN (p0f)
4:50+14:0:1300:mss*44,7:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-07-26 08:17 · last seen 2026-08-08 17:28 · JSON
Decomposed attributes
| IP version | 4 |
| Initial TTL | 50+14 |
| Options length | 0 |
| MSS | 1300 |
| Window size | mss*44 |
| Window scale | 7 |
| 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)
HTTP request (JA4H)
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, +7 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
3:100;4:10485760;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (JA4T)
User-Agent
Country
| fingerprint | co-occurrences |
US · United States | 2 |
DZ · Algeria | 1 |
Network (ASN)
| fingerprint | co-occurrences |
AS7849 · RingSquared CC | 2 |
AS36947 · Telecom Algeria | 1 |