JA4 — TLS Client
JA4S — TLS Server Response
JA4H — HTTP Client
JA4L — Light Distance/Location
JA4X — X509 TLS Certificate
JA4SSH — SSH Traffic
More fingerprints are in development and will be added to the JA4+ family
ja4+ (specifically, ja4 TLS client fingerprint) is replacing the JA3 TLS fingerprinting[1]. ja4 TLS client fingerprint is released under BSD 3-Clause[3] while the others have some commercial license.
This means that we can implement ja4 TLS client fingerprint for ong but not the others.
In https://github.com/komuw/ong/issues/95 (https://github.com/komuw/ong/pull/244) we implemented a TLS fingerprint inspired by ja3.
ja4+
has been released[1].ja4+
has a number of different fingerprints;ja4+
(specifically,ja4 TLS client fingerprint
) is replacing the JA3 TLS fingerprinting[1].ja4 TLS client fingerprint
is released underBSD 3-Clause
[3] while the others have some commercial license.This means that we can implement
ja4 TLS client fingerprint
forong
but not the others.