TLS ClientHello (JA4)
t12d2108h2_87c913a61dfd_9858f20d00bd
first seen 2026-09-16 06:17 · last seen 2026-09-16 06:17 · JSON
Decomposed attributes
| Protocol | t (TLS over TCP) |
|---|---|
| TLS version | 12 |
| SNI | d (domain) |
| Cipher count | 21 |
| Extension count | 8 |
| ALPN | h2 |
| Ciphers | 0005, 000a, 002f, 0035, 003c, 009c, 009d, c007, c009, c00a, c011, c012, c014, c023, c027, c02b, c02c, c02f, c030, cca8, cca9 |
| Extensions | 000a, 000b, 000d, 0017, 0023, ff01 |
| Signature algorithms | 0804, 0203, 0503, 0201, 0805, 0806, 0401, 0403, 0601, 0501, 0603 |
| JA4_r | t12d2108h2_0005,000a,002f,0035,003c,009c,009d,c007,c009,c00a,c011,c012,c014,c023,c027,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0017,0023,ff01_0804,0203,0503,0201,0805,0806,0401,0403,0601,0501,0603 |
| JA4_o (sample) | t12d2108h2_c645f44c2d42_0374f781e200 |
| JA4_ro (sample) | t12d2108h2_009c,009d,c023,c02f,c02c,cca9,c030,cca8,c027,c02b,003c,c007,c00a,c012,0005,c011,c014,0035,c009,000a,002f_0017,000a,000b,0023,0010,ff01,0000,000d_0804,0203,0503,0201,0805,0806,0401,0403,0601,0501,0603 |
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.
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn04enus_39a3ba4480e8_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: urlsession 6.1.2.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;5:1048576;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.1, go-net/http 1.27.3, go-net/http 1.27.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (p0f)
| fingerprint | co-occurrences |
|---|---|
4:44+20:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
64240_2-4-8-1-3_1460_7 | 1 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
DK · Denmark | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS204151 · EWII Bredbaand A/S | 1 |