TLS ClientHello (JA4)

t13d1414h2_cbb2034c60b8_1bd98dace775

first seen 2026-06-11 08:29 · last seen 2026-07-29 10:21 · JSON

Decomposed attributes

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count14
Extension count14
ALPNh2
Ciphers1301, 1302, 1303, c009, c00a, c012, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0012, 0017, 0023, 002b, 002d, 0032, 0033, ff01
Signature algorithms0804, 0403, 0807, 0805, 0806, 0401, 0501, 0601, 0503, 0603, 0201, 0203
JA4_rt13d1414h2_1301,1302,1303,c009,c00a,c012,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,0023,002b,002d,0032,0033,ff01_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603,0201,0203
JA4_o (sample)t13d1414h2_d6258c3c5426_03cd81028568
JA4_ro (sample)t13d1414h2_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,c012,1301,1302,1303_0000,000b,0023,ff01,0017,0012,0005,000a,000d,0032,0010,002b,0033,002d_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
ge20nn040000_88d30a62b7ad_000000000000_0000000000003
ge20nn040000_be74ea4f9dce_000000000000_0000000000003
ge20nn030000_ff50983941c1_000000000000_0000000000003
ge20nn030000_80b089f68b8e_000000000000_0000000000003

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:4194304;5:16384;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.8, go-net/http 1.26.7, +6 more.The fingerprint page shows the full measured match list. More on the catalog.12

TCP SYN (p0f)

fingerprintco-occurrences
4:56+8:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:010
4:53+11:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:02

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_126

User-Agent

fingerprintco-occurrences
TLM-Audit-Scanner/1.012

Country

fingerprintco-occurrences
NL · Netherlands12

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED12