TLS ClientHello (JA4)

t13d1412h1_cbb2034c60b8_e5728521abd4

first seen 2026-10-31 03:42 · last seen 2026-10-31 03:42 · JSON

Last 7 days (3 observations)

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count14
Extension count12
ALPNh1
Ciphers1301, 1302, 1303, c009, c00a, c012, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0012, 0017, 002b, 0032, 0033, ff01
Signature algorithms0804, 0403, 0807, 0805, 0806, 0401, 0501, 0601, 0503, 0603, 0201, 0203
JA4_rt13d1412h1_1301,1302,1303,c009,c00a,c012,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,002b,0032,0033,ff01_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603,0201,0203
JA4_o (sample)t13d1412h1_d6258c3c5426_c9c082b8df90
JA4_ro (sample)t13d1412h1_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,c012,1301,1302,1303_0000,000b,ff01,0017,0012,0005,000a,000d,0032,0010,002b,0033_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603,0201,0203

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
ge11nn14enus_a86c1525b786_000000000000_0000000000001
ge11nn11enus_78b2e7443336_000000000000_0000000000001
ge11nn16engb_8389f99a2613_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:57+7:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:03

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_123

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands3

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED3

TLS supported groups

fingerprintco-occurrences
001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13.The fingerprint page shows the full measured match list. More on the catalog.3