---
title: "Setup secure ozone cluster"
date: "2019-April-03"
menu:
   main:
       parent: Architecture
weight: 11
---
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# Setup secure ozone cluster #
To enable security in ozone cluster **ozone.security.enabled** should be set to true.

ozone.security.enabled| true
----------------------|------
## Kerberos ##
Configuration for service daemons:

Property|Description
--------|------------------------------------------------------------
hdds.scm.kerberos.principal     | The SCM service principal. Ex scm/_HOST@REALM.COM_
hdds.scm.kerberos.keytab.file   |The keytab file used by SCM daemon to login as its service principal.
ozone.om.kerberos.principal     |The OzoneManager service principal. Ex om/_HOST@REALM.COM
ozone.om.kerberos.keytab.file   |The keytab file used by SCM daemon to login as its service principal.
hdds.scm.http.kerberos.principal|SCM http server service principal.
hdds.scm.http.kerberos.keytab.file|The keytab file used by SCM http server to login as its service principal.
ozone.om.http.kerberos.principal|OzoneManager http server principal.
ozone.om.http.kerberos.keytab.file|The keytab file used by OM http server to login as its service principal.
ozone.s3g.keytab.file           |The keytab file used by S3 gateway. Ex /etc/security/keytabs/HTTP.keytab
ozone.s3g.authentication.kerberos.principal|S3 Gateway principal. Ex HTTP/_HOST@EXAMPLE.COM
## Tokens ##

## Delegation token ##
Delegation tokens are enabled by default when security is enabled.

## Block Tokens ##
hdds.block.token.enabled     | true
-----------------------------|------

## S3Token ##
S3 token are enabled by default when security is enabled.
To use S3 tokens users need to perform following steps:
* S3 clients should get the secret access id and user secret from OzoneManager.
```
ozone s3 getsecret
```
* Setup secret in aws configs:
```
aws configure set default.s3.signature_version s3v4
aws configure set aws_access_key_id ${accessId}
aws configure set aws_secret_access_key ${secret}
aws configure set region us-west-1
```

## Certificates ##
Certificates are used internally inside Ozone. Its enabled be default when security is enabled.

## Authorization ##
Default access authorizer for Ozone approves every request. It is not suitable for production environments. It is recommended that clients use ranger plugin for Ozone to manage authorizations.

Property|Description
--------|------------------------------------------------------------
ozone.acl.enabled         | true
ozone.acl.authorizer.class| org.apache.ranger.authorization.ozone.authorizer.RangerOzoneAuthorizer

## TDE ##
To use TDE clients must set KMS URI.

hadoop.security.key.provider.path  | KMS uri. Ex kms://http@kms-host:9600/kms
-----------------------------------|-----------------------------------------