TCP SYN (p0f)
4:45+19:0:1460:32768,10:mss,nop,ws,sok,ts::0
first seen 2026-06-18 07:10 · last seen 2026-06-23 01:27 · JSON
Decomposed attributes
| IP version | 4 |
|---|
| Initial TTL | 45+19 |
|---|
| Options length | 0 |
|---|
| MSS | 1460 |
|---|
| Window size | 32768 |
|---|
| Window scale | 10 |
|---|
| Options layout | mss,nop,ws,sok,ts |
|---|
| 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 |
|---|
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 155.0.1, +32 more.The fingerprint page shows the full measured match list. More on the catalog. | 6 |
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:42|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 152.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|
NL · Netherlands | 9 |
Network (ASN)
| fingerprint | co-occurrences |
|---|
AS215125 · Church of Cyberology | 9 |