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Configuring the Internal Users Database
Hint: You can also use the Kibana Confguration GUI for configuring the Internal Users Database.
Search Guard ships with an internal user database. You can use this user database if you do not have any external authentication system like LDAP or Active Directory in place. Users, their hashed passwords and roles are stored in the internal Search Guard configuration index on your cluster.
Internal users are configured in sg_internal_users.yml
. You can find a template in <ES installation directory>/plugins/search-guard-6/sgconfig/sg_internal_users.yml
Syntax:
<username>:
hash: <hashed password>
roles:
- <rolename>
- <rolename>
attributes:
attribute1: value1
attribute2: value2
...
Example:
admin:
hash: $2a$12$xZOcnwYPYQ3zIadnlQIJ0eNhX1ngwMkTN.oMwkKxoGvDVPn4/6XtO
roles:
- readall
- writeall
attributes:
department: operations
analyst:
hash: $2a$12$ae4ycwzwvLtZxwZ82RmiEunBbIPiAmGZduBAjKN0TXdwQFtCwARz2
roles:
- readall
attributes:
department: business_intelligence
The attributes of an internal user can be used as variables in index names and document-level security queries.
Note that the username cannot contain dots. If you need usernames with dots, use the username
attribute:
<username>:
username: username.with.dots
hash: ...
As sg_internal_users.yml
needs to exist and not be empty when configuring sg, if you want no internal users put {}
in the file.
Generating hashed passwords
The password hash is a salted BCrypt hash of the cleartext password. You can use the hash.sh
script that is shipped with Search Guard to generate them:
plugins/search-guard-6/tools/hash.sh -p mycleartextpassword
Configuration
In order to use the internal user database, set the authentication_backend
to internal
. For example, if you want to use HTTP Basic Authentication and the internal user database, the configuration looks like:
basic_internal_auth_domain:
enabled: true
order: 1
http_authenticator:
type: basic
challenge: true
authentication_backend:
type: internal