t13d2012h2_94f8a355d1ad_2c02e17ee752
Completed a TLS handshake but never an HTTP request, so no User-Agent was ever presented.
What this fingerprint encodes
JA4_a
t13d2012h2
handshake shape, human-readable
JA4_b
94f8a355d1ad
truncated hash of the cipher list
JA4_c
2c02e17ee752
truncated hash of extensions + signature algorithms
- Transport
- TCP
- TLS version
- TLS 1.3
- Server name
- server name sent
- Cipher suites offered
- 20
- Extensions offered
- 12
- ALPN
- h2
The hello it was computed from
Recovered because the proxy now stores the pre-hash JA3 string alongside the digest. Every number below came out of this client's ClientHello; anything we cannot name in the IANA registry is shown as its raw value rather than guessed at.
- Version
- TLS 1.2
Cipher suites 20
-
TLS_AES_256_GCM_SHA384 -
TLS_AES_128_GCM_SHA256 -
TLS_CHACHA20_POLY1305_SHA256 -
TLS_RSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 -
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 -
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 -
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 -
TLS_RSA_WITH_AES_128_CBC_SHA256 -
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 -
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 -
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA -
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA -
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA -
TLS_RSA_WITH_AES_128_CBC_SHA -
TLS_RSA_WITH_AES_256_CBC_SHA -
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA -
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
Extensions 12
-
key_share -
signature_algorithms -
ec_point_formats -
server_name -
application_layer_protocol_negotiation -
supported_groups -
psk_key_exchange_modes -
signed_certificate_timestamp -
renegotiation_info -
padding -
supported_versions -
session_ticket
Named groups 3
-
x25519 -
secp256r1 -
secp384r1
Point formats 1
-
uncompressed
Raw JA3 string
771,4866-4865-4867-157-49200-49196-52392-49191-49187-49199-60-49195-52393-49161-49171-49170-47-53-49162-49172,51-13-11-0-16-10-45-18-65281-21-43-35,29-23-24,0Seen in live traffic
- Connections
- 1
- First seen
- 2026-08-30 07:29 UTC
- Last seen
- 2026-08-30 07:29 UTC
- Transport
- TCP
This entry is an observation, not a policy decision. It is here because the edge saw it, not because anyone reviewed it, and it blocks nothing on its own. Only the curated tier drives classification and banning.