JA4 Fingerprint Directory

t13i1509h2_8daaf6152771_94a8e2c64d88

Seen in live traffic; not in the curated database.

What this fingerprint encodes

Transport

TCP

TLS version

TLS 1.3

Server name

no server name (IP literal)

Cipher suites offered

15

Extensions offered

9

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 15

• TLS_AES_128_GCM_SHA256
• TLS_AES_256_GCM_SHA384
• TLS_CHACHA20_POLY1305_SHA256
• TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
• TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
• TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
• TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
• TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
• TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
• TLS_RSA_WITH_AES_128_GCM_SHA256
• TLS_RSA_WITH_AES_256_GCM_SHA384
• TLS_RSA_WITH_AES_128_CBC_SHA
• TLS_RSA_WITH_AES_256_CBC_SHA

Extensions 9

• renegotiation_info
• signature_algorithms
• supported_groups
• extended_master_secret
• psk_key_exchange_modes
• application_layer_protocol_negotiation
• supported_versions
• encrypted_client_hello
• key_share

Named groups 4

• X25519Kyber768Draft00
• x25519
• secp256r1
• secp384r1

771,4865-4866-4867-49195-49199-49196-49200-52393-52392-49171-49172-156-157-47-53,65281-13-10-23-45-16-43-65037-51,25497-29-23-24,

Seen in live traffic

Connections

1

First seen

2026-08-23 08:10 UTC

Last seen

2026-08-23 08:10 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.