JA4 t12d4007h1_9479543b8654_aa8714849b67

t12d4007h1_9479543b8654_aa8714849b67

Completed a TLS handshake but never an HTTP request, so no User-Agent was ever presented.

What this fingerprint encodes

Transport

TCP

TLS version

TLS 1.2

Server name

server name sent

Cipher suites offered

40

Extensions offered

7

ALPN

h1

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 40

• TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
• TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
• TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
• TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
• TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
• TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
• TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
• TLS_DHE_RSA_WITH_AES_256_CCM
• TLS_RSA_WITH_AES_256_CCM
• TLS_DHE_RSA_WITH_AES_128_CCM
• TLS_RSA_WITH_AES_128_CCM
• TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
• TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
• TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
• TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
• TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
• TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
• TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
• TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
• TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384
• TLS_RSA_WITH_ARIA_256_GCM_SHA384
• TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256
• TLS_RSA_WITH_ARIA_128_GCM_SHA256
• TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
• TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
• TLS_DHE_RSA_WITH_AES_256_CBC_SHA
• TLS_DHE_RSA_WITH_AES_128_CBC_SHA
• TLS_RSA_WITH_AES_256_GCM_SHA384
• TLS_RSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384
• TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384
• TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256
• TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256
• TLS_RSA_WITH_AES_256_CBC_SHA256
• TLS_RSA_WITH_AES_128_CBC_SHA256
• TLS_RSA_WITH_AES_256_CBC_SHA
• TLS_RSA_WITH_AES_128_CBC_SHA
• TLS_EMPTY_RENEGOTIATION_INFO_SCSV

Extensions 7

• server_name
• ec_point_formats
• supported_groups
• signature_algorithms
• application_layer_protocol_negotiation
• encrypt_then_mac
• extended_master_secret

Named groups 4

• x25519
• secp256r1
• secp521r1
• secp384r1

Point formats 3

• uncompressed
• ansiX962_compressed_prime
• ansiX962_compressed_char2

771,49196-49200-49195-49199-52393-52392-159-158-52394-49327-49325-49326-49324-49188-49192-49187-49191-49162-49172-49161-49171-49315-49311-49314-49310-107-103-57-51-157-156-49313-49309-49312-49308-61-60-53-47-255,0-11-10-13-16-22-23,29-23-25-24,0-1-2

Seen in live traffic

Connections

1

First seen

2026-10-31 11:56 UTC

Last seen

2026-10-31 11:56 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.