TLS ClientHello (JA4)

t13d1512h2_8daaf6152771_692424f3e1f7

first seen 2026-08-17 18:41 · last seen 2026-08-17 19:28 · JSON

Decomposed attributes

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`d (domain)`
Cipher count	`15`
Extension count	`12`
ALPN	`h2`
Ciphers	`002f, 0035, 009c, 009d, 1301, 1302, 1303, c013, c014, c02b, c02c, c02f, c030, cca8, cca9`
Extensions	`0005, 000a, 000b, 000d, 0015, 0017, 002b, 002d, 0033, ff01`
Signature algorithms	`0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601`
JA4_r	`t13d1512h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0015,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601`
JA4_o (sample)	`t13d1512h2_acb858a92679_3c1a53aec5e1`
JA4_ro (sample)	`t13d1512h2_1301,1302,1303,c02b,c02f,c02c,c030,cca9,cca8,c013,c014,009c,009d,002f,0035_0000,000a,000b,000d,0010,0017,002b,002d,0033,ff01,0005,0015_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)

fingerprint	co-occurrences
`ge20nn010000_379fadc6c8b7_000000000000_000000000000`	1
`ge20nn020000_b89ce445e0b3_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.27.1, go-net/http 1.27.3, +14 more.The fingerprint page shows the full measured match list. More on the catalog.	1

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`1:65536;2:0;4:6291456;6:262144\|15663105\|1:0:0:256\|m,a,s,p`	2

TCP SYN (p0f)

fingerprint	co-occurrences
`6:55+9:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:0`	2

TCP SYN (JA4T)

fingerprint	co-occurrences
`64800_2-4-8-1-3_1440_7`	2

User-Agent

fingerprint	co-occurrences
`python-requests/2.31.0 (custom test)`	1

Country

fingerprint	co-occurrences
`SE` · Sweden	2

Network (ASN)

fingerprint	co-occurrences
`AS214379` · South Park Networks LLC	2