TCP SYN (p0f)
6:54+10:0:1336:65535,8:mss,sok,ts,nop,ws:flow:0
first seen 2026-09-16 18:11 · last seen 2026-09-16 18:11 · JSON
Decomposed attributes
| IP version | 6 |
|---|---|
| Initial TTL | 54+10 |
| Options length | 0 |
| MSS | 1336 |
| Window size | 65535 |
| Window scale | 8 |
| Options layout | mss,sok,ts,nop,ws |
| Quirks | flow |
| 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 |
|---|---|
t13d1517h2_8daaf6152771_e6dcd7ae0a9e Match?Exact match in Thumbprint's published controlled catalog captures: firefox 155.0.1, firefox 154.0, firefox 156.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog. | 3 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn11ruru_3901d4197baf_000000000000_000000000000 | 3 |
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 |
1:65536;2:0;4:131072;5:16384|12517377|7:0:0:42|m,p,a,s | 1 |
1:65536;2:0;4:131072;5:16384|12517377|5:0:0:42|m,p,a,s | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
65535_2-4-8-1-3_1336_8 | 3 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:155.0) Gecko/20100101 Firefox/155.0 | 3 |
Country
| fingerprint | co-occurrences |
|---|---|
RU · Russia | 3 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS12389 · PJSC Rostelecom | 3 |