TCP SYN (p0f)
4:57+7:0:8960:mss*7,7:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-07-01 23:17 · last seen 2026-07-21 15:30 · JSON
Decomposed attributes
| IP version | 4 |
|---|---|
| Initial TTL | 57+7 |
| Options length | 0 |
| MSS | 8960 |
| Window size | mss*7 |
| Window scale | 7 |
| Options layout | mss,sok,ts,nop,ws |
| Quirks | df,id+ |
| 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 |
|---|---|
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
t13d3113h2_e8f1e7e78f70_ce5650b735ce | 1 |
t13d1516h2_8daaf6152771_e2868af24dc0 | 1 |
t13d1515h2_8daaf6152771_de4a06bb82e3 | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn020000_b89ce445e0b3_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.27.0, go-net/http 1.26.6, +10 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
ge20nn120000_1d5643f8516d_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 151.0.7922.34, chromium 148.0.7778.96, chromium 147.0.7727.15, +12 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.18.0, +9 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
2:0;4:4194304;5:16384;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.8, go-net/http 1.26.7, +6 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
3:100;4:33554432;2:0|33488897|0|m,p,s,a Match?Exact match in Thumbprint's published controlled catalog captures: php-curl 7.88.1.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +43 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
62720_2-4-8-1-3_8960_7 | 4 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Go-http-client/2.0 | 2 |
curl/7.81.0 | 1 |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/147.0.7727.0 Safari/537.36 | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 4 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS31898 · Oracle Corporation | 4 |