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⟨ QUANTUM ERROR PORTAL ⟩

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JA4 Fingerprint Directory

The database this edge classifies live traffic against — decoded, not just listed

unclassified

t13d6912hq_ea0618708e31_39577bfd1595

Seen in live traffic; not in the curated database.

What this fingerprint encodes

JA4_a t13d6912hq handshake shape, human-readable
JA4_b ea0618708e31 truncated hash of the cipher list
JA4_c 39577bfd1595 truncated hash of extensions + signature algorithms
Transport
TCP
TLS version
TLS 1.3
Server name
server name sent
Cipher suites offered
69
Extensions offered
12
ALPN
hq

Same tool, different options

These 3 other fingerprints share this one's JA4_c — the extension and signature-algorithm hash. A client that keeps its extension set constant while varying its cipher list produces exactly this pattern, which is what a scanner iterating cipher suites looks like. A JA3 cannot show you this: its single MD5 collapses ciphers and extensions together, so every variation looks like an unrelated client.

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 69

Extensions 12

Named groups 4

Point formats 1

Raw JA3 string
771,49170-49171-49159-49191-52244-49199-4865-49172-4866-49192-52393-49200-49267-49248-49266-49249-49196-49270-49327-49271-49325-52392-49188-4869-49162-4868-49195-4867-49326-52243-49324-49169-49187-10-49161-47-49160-60-154-49308-196-49312-136-156-190-53-69-61-159-49309-49315-49313-49311-157-107-65-57-186-158-132-49314-192-49310-7-103-4-51-5-22,0-23-1-65281-10-11-35-16-13-51-45-43,29-23-24-25,0

Seen in live traffic

Connections
4
First seen
2026-08-22 23:53 UTC
Last seen
2026-08-23 03:17 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.