TLS ClientHello (JA4)

t13d1110h2_f9e8f0ea19e1_560390466015

first seen 2026-08-18 07:38 · last seen 2026-09-25 21:45 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count11
Extension count10
ALPNh2
Ciphers002f, 009d, 1301, 1302, 1303, c013, c02b, c02c, c02f, c030, cca8
Extensions000a, 000b, 000d, 0017, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d1110h2_002f,009d,1301,1302,1303,c013,c02b,c02c,c02f,c030,cca8_000a,000b,000d,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d1110h2_7e534ce670f1_c2f3ec30f82b
JA4_ro (sample)t13d1110h2_1301,1302,1303,002f,009d,c02b,c013,c02c,cca8,c02f,c030_002b,0017,000b,000a,000d,0033,0000,ff01,002d,0010_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
ge20nn04enus_989c7cc05c9b_000000000000_0000000000005

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p5

TCP SYN (p0f)

fingerprintco-occurrences
4:55+9:0:1460:mss*29,10:mss,nop,nop,sok,nop,ws:df,id+:02
4:54+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:55+9:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:53+11:0:8902:mss*7,12:mss,sok,ts,nop,ws:df,id+,ecn:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_72
42340_2-1-1-4-1-3_1460_102
62314_2-4-8-1-3_8902_121

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.5 Safari/537.365

Country

fingerprintco-occurrences
SE · Sweden4
DE · Germany1

Network (ASN)

fingerprintco-occurrences
AS41281 · KeFF Networks Ltd2
AS198093 · Foreningen for digitala fri- och rattigheter1
AS214503 · QuxLabs AB1
AS58087 · Florian Kolb1