TCP SYN (JA4T)
64240_2-1-1-4-1-3_1360_9
first seen 2026-07-01 15:06 · last seen 2026-07-07 12:52 · JSON
Decomposed attributes
| TCP window | 64240 |
|---|---|
| Option kinds | 2-1-1-4-1-3 |
| MSS | 1360 |
| Window scale | 9 |
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 | 10 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nr12enus_1204b4dfdccd_000000000000_000000000000 | 8 |
ge20nr13enus_dee81a311bfc_000000000000_000000000000 | 2 |
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 154.0, +25 more.The fingerprint page shows the full measured match list. More on the catalog. | 4 |
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, +8 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
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 |
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 155.0, firefox 154.0, +3 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
TCP SYN (p0f)
| fingerprint | co-occurrences |
|---|---|
4:48+16:0:1360:mss*44,9:mss,nop,nop,sok,nop,ws:df,id+:0 | 8 |
4:49+15:0:1360:mss*44,9:mss,nop,nop,sok,nop,ws:df,id+:0 | 1 |
4:47+17:0:1360:mss*44,9:mss,nop,nop,sok,nop,ws:df,id+:0 | 1 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0 | 10 |
Country
| fingerprint | co-occurrences |
|---|---|
NL · Netherlands | 5 |
IE · Ireland | 5 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS9009 · M247 Europe SRL | 5 |
AS212238 · Datacamp Limited | 5 |