TLS ClientHello (JA4)

t13d0412h2_16476d049b0b_85302d7e289e

first seen 2026-09-28 02:45 · last seen 2026-09-28 02:45 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count4
Extension count12
ALPNh2
Ciphers00ff, 1301, 1302, 1303
Extensions000a, 000b, 000d, 0015, 0016, 0017, 002b, 002d, 0031, 0033
Signature algorithms0403, 0503, 0603, 0807, 0808, 0809, 080a, 080b, 0804, 0805, 0806, 0401, 0501, 0601
JA4_rt13d0412h2_00ff,1301,1302,1303_000a,000b,000d,0015,0016,0017,002b,002d,0031,0033_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601
JA4_o (sample)t13d0412h2_b9c790168325_a7ee43126e4e
JA4_ro (sample)t13d0412h2_1302,1303,1301,00ff_0000,000b,000a,0010,0016,0017,0031,000d,002b,002d,0033,0015_0403,0503,0603,0807,0808,0809,080a,080b,0804,0805,0806,0401,0501,0601

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_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;4:10485760;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
6:55+9:0:1440: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
curl/8.5.01

Country

fingerprintco-occurrences
SE · Sweden1

Network (ASN)

fingerprintco-occurrences
AS214379 · South Park Networks LLC1