TLS ClientHello (JA4)

t12d1209h2_d34a8e72043a_b39be8c56a14

first seen 2026-08-04 21:23 · last seen 2026-08-04 21:29 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version12
SNId (domain)
Cipher count12
Extension count9
ALPNh2
Ciphers002f, 0035, 009c, 009d, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0017, 0023, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201
JA4_rt12d1209h2_002f,0035,009c,009d,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0017,0023,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201
JA4_o (sample)t12d1209h2_f901973f4d4e_3efcac8974fb
JA4_ro (sample)t12d1209h2_c02b,c02c,cca9,c02f,c030,cca8,c013,c014,009c,009d,002f,0035_ff01,0000,0017,0023,000d,0005,0010,000b,000a_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
ge20nn030000_80b089f68b8e_000000000000_0000000000004

HTTP/2 frames (Akamai)

fingerprintco-occurrences
4:16777216|16711681|0|m,p,a,s4

TCP SYN (p0f)

fingerprintco-occurrences
4:52+12:0:1460:mss*44,7:mss,nop,nop,sok,nop,ws:df,id+:02
4:43+21:0:1380:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:01
4:44+20:0:1380:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-1-1-4-1-3_1460_72
65535_2-1-3-1-1-8-4-0-0_1380_62

User-Agent

fingerprintco-occurrences
tcpfp/14

Country

fingerprintco-occurrences
AU · Australia2
LB · Lebanon2

Network (ASN)

fingerprintco-occurrences
AS9051 · IncoNet Data Management sal2
AS4826 · Vocus Connect International Backbone2