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Configuring the TLS version

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IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

Configuring the TLS version

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Elastic Cloud Enterprise 2.4.0 and later defaults to minimum TLS version 1.2 with a modern set of cipher suites.

Elastic Cloud Enterprise version	Default minimum TLS version	Default allowed cipher suites
2.4.0 and later	TLS 1.2	`ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256`
2.3.1 and earlier	TLS 1.0	`CDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA`

You can bring back the legacy behavior by running the following script. Note that this requires a proxy restart.

On a host that holds the director role:

docker run \
-v ~/.found-shell:/elastic_cloud_apps/shell/.found-shell \
--env SHELL_ZK_AUTH=$(docker exec -it frc-directors-director bash -c 'echo -n $FOUND_ZK_READWRITE') $(docker inspect -f '{{ range .HostConfig.ExtraHosts }} --add-host {{.}} {{ end }}' frc-directors-director)  \
--env FOUND_SCRIPT=setIntermediateTls.sc \
--rm -it \
$(docker inspect -f '{{ .Config.Image }}' frc-directors-director) \
/elastic_cloud_apps/shell/run-shell.sh

On all of the proxy hosts:
```
docker rm -f frc-proxies-proxyv2
```

To reset back to the default behavior of using TLSv1.2 and a modern cipher suite, you can run the following code.

On a host that holds the director role:

docker run \
-v ~/.found-shell:/elastic_cloud_apps/shell/.found-shell \
--env SHELL_ZK_AUTH=$(docker exec -it frc-directors-director bash -c 'echo -n $FOUND_ZK_READWRITE') $(docker inspect -f '{{ range .HostConfig.ExtraHosts }} --add-host {{.}} {{ end }}' frc-directors-director)  \
--env FOUND_SCRIPT=resetToDefaultTls.sc \
--rm -it \
$(docker inspect -f '{{ .Config.Image }}' frc-directors-director) \
/elastic_cloud_apps/shell/run-shell.sh

On all of the proxy hosts:
```
docker rm -f frc-proxies-proxyv2
```

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