TLS ClientHello (JA4)

t13d1610h2_86a278354501_1b18b669d02d

first seen 2026-07-02 08:13 · last seen 2026-07-02 08:13 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count16
Extension count10
ALPNh2
Ciphers002f, 0035, 009c, 009d, 1301, 1302, 1303, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions000a, 000b, 000d, 0017, 002b, 002d, 0033, ff01
Signature algorithms0403, 0503, 0804, 0805, 0806, 0401, 0501, 0601, 0203, 0201
JA4_rt13d1610h2_002f,0035,009c,009d,1301,1302,1303,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0017,002b,002d,0033,ff01_0403,0503,0804,0805,0806,0401,0501,0601,0203,0201
JA4_o (sample)t13d1610h2_d6294ab6b85e_8ce6570ac885
JA4_ro (sample)t13d1610h2_1301,1303,1302,c02b,c02f,cca9,cca8,c02c,c030,c00a,c013,c014,009c,009d,002f,0035_0000,000a,000b,000d,0010,0017,002b,0033,ff01,002d_0403,0503,0804,0805,0806,0401,0501,0601,0203,0201

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
ge20nr10engb_b3034183f430_000000000000_0000000000004
ge20nr11engb_3901d4197baf_000000000000_0000000000003

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:131072|12517377|3:0:0:22|m,p,a,s2
1:65536;2:0;4:131072|12517377|3:0:0:42|m,p,a,s1
1:65536;2:0;4:131072|12517377|5:0:0:22|m,p,a,s1
1:65536;2:0;4:131072|12517377|7:0:0:22|m,p,a,s1
1:65536;2:0;4:131072|12517377|11:0:0:42|m,p,a,s1
1:65536;2:0;4:131072|12517377|13:0:0:42|m,p,a,s1

TCP SYN (p0f)

fingerprintco-occurrences
4:111+17:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+:04
4:112+16:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+:03

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-1-3-1-1-4_1460_87

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:152.0) Gecko/20100101 Firefox/152.07

Country

fingerprintco-occurrences
GB · United Kingdom7

Network (ASN)

fingerprintco-occurrences
AS5089 · Virgin Media Limited7