t13d0911h1_f91f431d341e_5b6d00298346
Presented a User-Agent we cannot attribute to a known client.
What this fingerprint encodes
t13d0911h1
handshake shape, human-readable
f91f431d341e
truncated hash of the cipher list
5b6d00298346
truncated hash of extensions + signature algorithms
- Transport
- TCP
- TLS version
- TLS 1.3
- Server name
- server name sent
- Cipher suites offered
- 9
- Extensions offered
- 11
- 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 9
-
TLS_AES_128_GCM_SHA256 -
TLS_AES_256_GCM_SHA384 -
TLS_CHACHA20_POLY1305_SHA256 -
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 -
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 -
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 -
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
Extensions 11
-
server_name -
supported_versions -
supported_groups -
key_share -
signature_algorithms -
renegotiation_info -
extended_master_secret -
compress_certificate -
psk_key_exchange_modes -
application_layer_protocol_negotiation -
session_ticket
Named groups 3
-
x25519 -
secp256r1 -
secp384r1
Raw JA3 string
771,4865-4866-4867-49199-49200-49195-49196-52392-52393,0-43-10-51-13-65281-23-27-45-16-35,29-23-24,Seen in live traffic
- Connections
- 12
- First seen
- 2026-10-15 00:53 UTC
- Last seen
- 2026-10-15 02:30 UTC
- Transport
- TCP
User-Agents seen on this fingerprint
quico/1.06×
A User-Agent is self-declared and trivially forged, so this names an observation rather than proving an identity. It is still the strongest signal available: the fingerprint comes off the TLS handshake and the User-Agent off the request that followed, and one client build keeping a stable JA4 while changing what it calls itself is a finding in its own right.
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.