TLS ClientHello (JA4)

t12d1312h2_8b80da21ef18_b00751acaffa

first seen 2026-06-22 03:35 · last seen 2026-06-22 03:35 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count13
Extension count12
ALPNh2
Ciphers000a, 002f, 0035, 009c, 009d, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0012, 0017, 001b, 0023, 7550, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt12d1312h2_000a,002f,0035,009c,009d,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,001b,0023,7550,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t12d1312h2_f3d9f80bbb9f_eba726c0b22e
JA4_ro (sample)t12d1312h2_c02b,c02f,c02c,c030,cca9,cca8,c013,c014,009c,009d,002f,0035,000a_ff01,0000,0017,0023,000d,0005,0012,0010,7550,000b,000a,001b_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
ge20nn06enus_426aae43ac51_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;3:1000;4:6291456|15663105|1:1:0:256|m,a,s,p1

TCP SYN (p0f)

fingerprintco-occurrences
4:44+20:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36 PTST/18.101

Country

fingerprintco-occurrences
SK · Slovakia1

Network (ASN)

fingerprintco-occurrences
AS5578 · SWAN, a.s.1