TLS ClientHello (JA4)

t13d3613h2_018971650b2c_e7e754ef087b

first seen 2026-06-11 17:03 · last seen 2026-06-11 17:03 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count36
Extension count13
ALPNh2
Ciphers002f, 0033, 0035, 0039, 003c, 003d, 0067, 006b, 009c, 009d, 009e, 009f, 00ff, 1301, 1302, 1303, 1304, c009, c00a, c013, c014, c023, c027, c02b, c02c, c02f, c030, c09c, c09d, c09e, c09f, c0ac, c0ad, cca8, cca9, ccaa
Extensions000a, 000b, 000d, 0015, 0016, 0017, 002b, 002d, 0031, 0033, 3374
Signature algorithms0403, 0503, 0603, 0807, 0808, 0809, 0804, 080a, 0805, 080b, 0806, 0401, 0501, 0601, 0303, 0301, 0203, 0201
JA4_rt13d3613h2_002f,0033,0035,0039,003c,003d,0067,006b,009c,009d,009e,009f,00ff,1301,1302,1303,1304,c009,c00a,c013,c014,c023,c027,c02b,c02c,c02f,c030,c09c,c09d,c09e,c09f,c0ac,c0ad,cca8,cca9,ccaa_000a,000b,000d,0015,0016,0017,002b,002d,0031,0033,3374_0403,0503,0603,0807,0808,0809,0804,080a,0805,080b,0806,0401,0501,0601,0303,0301,0203,0201
JA4_o (sample)t13d3613h2_aa9a9650c48e_7190db355de7
JA4_ro (sample)t13d3613h2_1302,1303,1301,1304,c02c,c030,cca9,cca8,c0ad,c02b,c02f,c0ac,c023,c027,c00a,c014,c009,c013,009d,c09d,009c,c09c,003d,003c,0035,002f,009f,ccaa,c09f,009e,c09e,006b,0067,0039,0033,00ff_0000,000b,000a,3374,0010,0016,0017,0031,000d,002b,002d,0033,0015_0403,0503,0603,0807,0808,0809,0804,080a,0805,080b,0806,0401,0501,0601,0303,0301,0203,0201

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
ge20nn040000_88d30a62b7ad_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
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

TCP SYN (p0f)

fingerprintco-occurrences
4:42+22:0:1414:mss*20,7:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
curl/7.61.11

Country

fingerprintco-occurrences
JP · Japan1

Network (ASN)

fingerprintco-occurrences
AS17506 · ARTERIA Networks Corporation1