TCP SYN (JA4T)
65535_2-1-3-1-1-4_1376_8
first seen 2026-08-03 19:44 · last seen 2026-08-31 05:15 · JSON
Decomposed attributes
| TCP window | 65535 |
|---|---|
| Option kinds | 2-1-3-1-1-4 |
| MSS | 1376 |
| Window scale | 8 |
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_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 152.0.3, +10 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
t13d3112h2_e8f1e7e78f70_b26ce05bbdd6 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.5.0, php-curl 7.88.1.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 |
ge20nr13deat_9e2b86631664_000000000000_000000000000 | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
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. | 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 (p0f)
| fingerprint | co-occurrences |
|---|---|
6:48+16:0:1376:65535,8:mss,nop,ws,nop,nop,sok:flow:0 | 1 |
4:112+16:0:1376:65535,8:mss,nop,ws,nop,nop,sok:df,id+:0 | 1 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
curl/8.5.0 | 1 |
Mozilla/5.0 (Android 14; Mobile; rv:153.0) Gecko/153.0 Firefox/153.0 | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 1 |
AT · Austria | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS8447 · A1 Telekom Austria AG | 1 |
AS21928 · T-Mobile USA, Inc. | 1 |