TLS ClientHello (JA4)

t13d1210h2_dc07d7843637_560390466015

first seen 2026-08-17 19:20 · last seen 2026-08-17 19:20 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count12
Extension count10
ALPNh2
Ciphers0035, 009c, 009d, 1301, 1302, 1303, c02b, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0017, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d1210h2_0035,009c,009d,1301,1302,1303,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d1210h2_54b4aa335e13_46ee43ab44b7
JA4_ro (sample)t13d1210h2_1301,1302,1303,009c,0035,c02b,c030,c02c,c02f,cca9,009d,cca8_0010,002d,0017,0000,0033,002b,000b,000d,000a,ff01_0403,0804,0401,0503,0805,0501,0806,0601

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_b89ce445e0b3_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.27.1, go-net/http 1.27.3, +14 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p1

TCP SYN (p0f)

fingerprintco-occurrences
6:47+17:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-4-8-1-3_1440_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.3 Safari/537.36 Edg/135.0.0.31

Country

fingerprintco-occurrences
FI · Finland1

Network (ASN)

fingerprintco-occurrences
AS24940 · Hetzner Online GmbH1