TLS ClientHello (JA4)

t13d1311h2_f81d88ceb44f_9ced094328c9

first seen 2026-08-17 23:03 · last seen 2026-08-18 05:55 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count13
Extension count11
ALPNh2
Ciphers002f, 009c, 009d, 1301, 1302, 1303, c013, c02b, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0017, 0023, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d1311h2_002f,009c,009d,1301,1302,1303,c013,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0017,0023,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d1311h2_f982dc9bb50c_a08c935ed3be
JA4_ro (sample)t13d1311h2_1301,1302,1303,c02f,c013,c030,002f,cca8,009d,c02c,009c,c02b,cca9_0010,0023,0017,002d,0033,000d,000b,000a,002b,0000,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
ge20nn04enus_989c7cc05c9b_000000000000_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p2

TCP SYN (p0f)

fingerprintco-occurrences
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_72

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
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.8 Safari/537.361

Country

fingerprintco-occurrences
SE · Sweden1
FR · France1

Network (ASN)

fingerprintco-occurrences
AS198093 · Foreningen for digitala fri- och rattigheter1
AS2027 · MilkyWan Association1