TLS ClientHello (JA4)

t13d0711h2_34b339f5d19a_9ced094328c9

first seen 2026-08-18 06:33 · last seen 2026-09-25 21:29 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count7
Extension count11
ALPNh2
Ciphers002f, 0035, 1301, 1302, 1303, c02c, c02f
Extensions000a, 000b, 000d, 0017, 0023, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601
JA4_rt13d0711h2_002f,0035,1301,1302,1303,c02c,c02f_000a,000b,000d,0017,0023,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601
JA4_o (sample)t13d0711h2_36f50b8468b2_6c1c998138c9
JA4_ro (sample)t13d0711h2_1301,1302,1303,c02f,0035,002f,c02c_0033,0010,000a,000d,0023,002b,ff01,000b,0000,0017,002d_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_0000000000006

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p6

TCP SYN (p0f)

fingerprintco-occurrences
4:46+18:0:1460:mss*44,9:mss,nop,nop,sok,nop,ws:df,id+:02
4:53+11:0:1460: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
4:50+14:0:1460:32768,10:mss,nop,ws,sok,ts::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
64240_2-1-1-4-1-3_1460_92
32768_2-1-3-4-8_1460_101
62314_2-4-8-1-3_8902_121

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.7 Safari/537.365
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.4 Safari/537.361

Country

fingerprintco-occurrences
SE · Sweden2
AT · Austria2
NL · Netherlands1
DK · Denmark1

Network (ASN)

fingerprintco-occurrences
AS208323 · Foundation for Applied Privacy2
AS215125 · Church of Cyberology1
AS198093 · Foreningen for digitala fri- och rattigheter1
AS214503 · QuxLabs AB1
AS57860 · Zencurity ApS1