TLS ClientHello (JA4)

t12d2108h1_893976a58eef_dabdd7d2b0fa

first seen 2026-09-18 04:28 · last seen 2026-09-18 04:28 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count21
Extension count8
ALPNh1
Ciphers000a, 002f, 0035, 003c, 003d, 009c, 009d, c009, c00a, c013, c014, c023, c024, c027, c028, c02b, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0017, 3374, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt12d2108h1_000a,002f,0035,003c,003d,009c,009d,c009,c00a,c013,c014,c023,c024,c027,c028,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0017,3374,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t12d2108h1_783c44a81c67_4fda89d2be73
JA4_ro (sample)t12d2108h1_c02b,c02f,c02c,c030,cca9,cca8,c009,c023,c013,c027,c00a,c024,c014,c028,009c,009d,002f,003c,0035,003d,000a_ff01,0000,0017,000d,3374,0010,000b,000a_0403,0804,0401,0503,0805,0501,0806,0601,0201

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)

fingerprintco-occurrences
ge11nn030000_fe444ad14866_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.16.0, curl 7.88.1, curl 8.21.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
6:47+17:0:1412:65535,8:mss,sok,ts,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1412_81

User-Agent

fingerprintco-occurrences
curl/7.58.01

Country

fingerprintco-occurrences
JP · Japan1

Network (ASN)

fingerprintco-occurrences
AS2527 · Sony Network Communications Inc.1