TLS ClientHello (JA4)

t13i1311h2_f57a46bbacb6_ab7e3b40a677

first seen 2026-06-12 01:02 · last seen 2026-06-12 10:08 · JSON

Decomposed attributes

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`i (no SNI / IP)`
Cipher count	`13`
Extension count	`11`
ALPN	`h2`
Ciphers	`1301, 1302, 1303, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9`
Extensions	`0005, 000a, 000b, 000d, 0012, 0017, 002b, 0032, 0033, ff01`
Signature algorithms	`0804, 0403, 0807, 0805, 0806, 0401, 0501, 0601, 0503, 0603`
JA4_r	`t13i1311h2_1301,1302,1303,c009,c00a,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`
JA4_o (sample)	`t13i1311h2_45672f90a73c_979e68a93e37`
JA4_ro (sample)	`t13i1311h2_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,1301,1302,1303_000b,ff01,0017,0012,0005,000a,000d,0032,0010,002b,0033_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603`

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)

fingerprint	co-occurrences
`ge20nn030000_0db47b7d240d_000000000000_000000000000`	2

HTTP/2 frames (Akamai)

fingerprint	co-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.	2

TCP SYN (p0f)

fingerprint	co-occurrences
`4:39+25:0:1460:65535,0:mss,sok,ts:df,id+:0`	1
`4:45+19:0:1460:mss*5,10:mss,sok,ts,nop,ws:df,id+,ecn:0`	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) obsidian/1.8.10 Chrome/132.0.6834.196 Electron/34.2.0 Safari/537.36`	1
`curl/7.74.0`	1

Country

fingerprint	co-occurrences
`SG` · Singapore	1
`MY` · Malaysia	1

Network (ASN)

fingerprint	co-occurrences
`AS45102` · Alibaba (US) Technology Co., Ltd.	1
`AS212512` · Detai Prosperous Technologies Limited	1