TCP SYN (JA4T)
64240_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1460_10
first seen 2026-07-29 08:48 · last seen 2026-07-29 08:48 · JSON
Decomposed attributes
| TCP window | 64240 |
|---|---|
| Option kinds | 2-4-1-1-1-1-1-1-1-1-1-1-1-3 |
| MSS | 1460 |
| Window scale | 10 |
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 |
|---|---|
t13d1617h2_86a278354501_3e9721a6796e | 4 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nr12en00_979a40433f82_000000000000_000000000000 | 4 |
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. | 2 |
1:65536;2:0;4:131072;5:16384|12517377|5:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0.3, firefox 154.0, firefox 153.0, +13 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
1:65536;2:0;4:131072;5:16384|12517377|7:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0.3, firefox 158.0.1, firefox 155.0, +4 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (p0f)
| fingerprint | co-occurrences |
|---|---|
4:52+12:0:1460:mss*44,10:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:df,id+:0 | 4 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (X11; Linux x86_64; rv:153.0) Gecko/20100101 Firefox/153.0 | 4 |
Country
| fingerprint | co-occurrences |
|---|---|
CH · Switzerland | 4 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS6730 · Sunrise GmbH | 4 |