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JA4 t11i640200_f559eb9565fd_c2f961105e84

Scanner — observed in live traffic

Scanner

t11i640200_f559eb9565fd_c2f961105e84

Probe (legacy TLS, no SNI, no ALPN) — inferred from the JA4 handshake shape.

What this fingerprint encodes

JA4_a t11i640200 handshake shape, human-readable
JA4_b f559eb9565fd truncated hash of the cipher list
JA4_c c2f961105e84 truncated hash of extensions + signature algorithms
Transport
TCP
TLS version
TLS 1.1
Server name
no server name (IP literal)
Cipher suites offered
64
Extensions offered
2
ALPN
none offered

Same tool, different options

These 11 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 1.1

Cipher suites 64

Extensions 2

Named groups 6

Point formats 1

Raw JA3 string
770,49172-49192-49200-49228-49248-49229-49249-49270-49290-49271-49291-52392-52243-49168-49169-49155-74-49156-75-49189-49197-49157-76-49190-49198-49226-49246-49227-49247-49268-49288-49269-49289-73-49153-71-49154-72-78-77-49165-49166-49193-49201-49167-49194-49202-49230-49250-49231-49251-49272-49292-49273-49293-49163-49164-91-92-87-49175-90-49176-49177,10-11,23-24-25-29-256-4588,0

Seen in live traffic

Connections
5
First seen
2026-08-27 08:43 UTC
Last seen
2026-08-27 08:50 UTC
Transport
TCP
JA3 hashes absorbed
2

The same client, 2 different JA3s

This one JA4 covers 2 distinct JA3 hashes. A JA3 hashes the cipher and extension lists in the order they arrived, so a client that shuffles them — which Chrome and its derivatives do on purpose — produces a new JA3 almost every connection and fragments into what looks like 2 unrelated clients. JA4 sorts those lists before hashing, which is why all of it lands here instead.

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.