mirror of
https://github.com/gogrlx/nats-server.git
synced 2026-04-02 03:38:42 -07:00
ce96de2ed5
A new option instructs the server to perform the TLS handshake first,
that is prior to sending the INFO protocol to the client.
Only clients that implement equivalent option would be able to
connect if the server runs with this option enabled.
The configuration would look something like this:
```
...
tls {
cert_file: ...
key_file: ...
handshake_first: true
}
```
The same option can be set to "auto" or a Go time duration to fallback
to the old behavior. This is intended for deployments where it is known
that not all clients have been upgraded to a client library providing
the TLS handshake first option.
After the delay has elapsed without receiving the TLS handshake from
the client, the server reverts to sending the INFO protocol so that
older clients can connect. Clients that do connect with the "TLS first"
option will be marked as such in the monitoring's Connz page/result.
It will allow the administrator to keep track of applications still
needing to upgrade.
The configuration would be similar to:
```
...
tls {
cert_file: ...
key_file: ...
handshake_first: auto
}
```
With the above value, the fallback delay used by the server is 50ms.
The duration can be explcitly set, say 300 milliseconds:
```
...
tls {
cert_file: ...
key_file: ...
handshake_first: "300ms"
}
```
It is understood that any configuration other that "true" will result
in the server sending the INFO protocol after the elapsed amount of
time without the client initiating the TLS handshake. Therefore, for
administrators that do not want any data transmitted in plain text,
the value must be set to "true" only. It will require applications
to be updated to a library that provides the option, which may or
may not be readily available.
Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
47 lines
4.1 KiB
Plaintext
47 lines
4.1 KiB
Plaintext
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/nats-io/jwt/v2 v2.5.2 h1:DhGH+nKt+wIkDxM6qnVSKjokq5t59AZV5HRcFW0zJwU=
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github.com/nats-io/jwt/v2 v2.5.2/go.mod h1:24BeQtRwxRV8ruvC4CojXlx/WQ/VjuwlYiH+vu/+ibI=
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github.com/nats-io/nats.go v1.30.3-0.20231009181226-1941a1a4f14f h1:1OBmQ3HJsJAX4vemhoCQjonLBaQ7yx/7PUe6oF1kzvE=
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github.com/nats-io/nats.go v1.30.3-0.20231009181226-1941a1a4f14f/go.mod h1:dcfhUgmQNN4GJEfIb2f9R7Fow+gzBF4emzDHrVBd5qM=
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github.com/nats-io/nkeys v0.4.5 h1:Zdz2BUlFm4fJlierwvGK+yl20IAKUm7eV6AAZXEhkPk=
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github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
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