TLS ClientHello (JA4)

t13d2412h2_d2165f00a2e2_882d495ac381

first seen 2026-10-01 05:31 · last seen 2026-10-01 05:31 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count24
Extension count12
ALPNh2
Ciphers002f, 0033, 0035, 0039, 003c, 003d, 009c, 009d, 009e, 009f, 1301, 1302, 1303, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9, ccaa
Extensions000a, 000b, 000d, 0016, 0017, 002b, 002d, 0031, 0033, ff01
Signature algorithms0905, 0906, 0904, 0403, 0503, 0603, 0807, 0808, 081a, 081b, 081c, 0809, 080a, 080b, 0804, 0805, 0806, 0401, 0501, 0601, 0303, 0301, 0302, 0402, 0502, 0602
JA4_rt13d2412h2_002f,0033,0035,0039,003c,003d,009c,009d,009e,009f,1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9,ccaa_000a,000b,000d,0016,0017,002b,002d,0031,0033,ff01_0905,0906,0904,0403,0503,0603,0807,0808,081a,081b,081c,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301,0302,0402,0502,0602
JA4_o (sample)t13d2412h2_6f600c4ec283_ef7e3bf95d98
JA4_ro (sample)t13d2412h2_1302,1303,1301,c02c,c030,009f,cca9,cca8,ccaa,c02b,c02f,009e,c00a,c014,0039,c009,c013,0033,009d,009c,003d,003c,0035,002f_ff01,0000,000b,000a,0010,0016,0017,0031,000d,002b,002d,0033_0905,0906,0904,0403,0503,0603,0807,0808,081a,081b,081c,0809,080a,080b,0804,0805,0806,0401,0501,0601,0303,0301,0302,0402,0502,0602

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
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.13.0, +11 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:100;4:65536;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +8 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:46+18:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_121

User-Agent

fingerprintco-occurrences
curl/8.7.11

Country

fingerprintco-occurrences
SG · Singapore1

Network (ASN)

fingerprintco-occurrences
AS138997 · Eons Data Communications Limited1