t13d170800_5b57614c22b0_70c4b686b495
Completed a TLS handshake but never an HTTP request, so no User-Agent was ever presented.
What this fingerprint encodes
JA4_a
t13d170800
handshake shape, human-readable
JA4_b
5b57614c22b0
truncated hash of the cipher list
JA4_c
70c4b686b495
truncated hash of extensions + signature algorithms
- Transport
- TCP
- TLS version
- TLS 1.3
- Server name
- server name sent
- Cipher suites offered
- 17
- Extensions offered
- 8
- ALPN
- none offered
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 17
-
TLS_AES_128_GCM_SHA256 -
TLS_CHACHA20_POLY1305_SHA256 -
TLS_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_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_ECDSA_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_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 8
-
encrypted_client_hello -
supported_versions -
compress_certificate -
psk_key_exchange_modes -
session_ticket -
signed_certificate_timestamp -
server_name -
key_share
Raw JA3 string
771,4865-4867-4866-49195-49199-52393-52392-49196-49200-49162-49161-49171-49172-156-157-47-53,65037-43-27-45-35-18-0-51,,Seen in live traffic
- Connections
- 1
- First seen
- 2026-08-28 06:21 UTC
- Last seen
- 2026-08-28 06:21 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.