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Security Management Overview

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    Couchbase Server can be rendered highly secure.

    Couchbase Server Security

    Couchbase Server can be rendered highly secure. System-areas available to be managed include:

    • Networked access, by administrators, users, and applications: Can be secured with TLS, using dedicated Couchbase Server-ports. Cipher-suites, TLS levels, and console-access can be individually managed. Networked communications between nodes within the cluster can also be secured: see Manage Node-to-Node Encryption, for details.

    • Authentication: Can be handled by passing credentials explicitly, or by means of client certificates. External (as well as Local) authentication-domains are supported: therefore, authentication-mechanisms based on Native LDAP, saslauthd, and PAM can be used. For the recommended process, see Configure LDAP.

    • Authorization: Couchbase Role-Based Access Control ensures that each authenticated user is checked for the system-defined roles (and, by due association, privileges) they have been assigned. This allows access to be granted or denied them, based on the type of system-resource they are trying to access, and the operation they wish to perform. Roles can be assigned by user and by group. For details, see Manage Users, Groups, and Roles.

    • Auditing: Can be enabled on actions performed on Couchbase Server, so that reviews can occur. See Manage Auditing,

    • Certificates: These can be defined and established for the cluster. Additionally, certificates presented by clients attempting server-access can be permitted. See Manage Certificates.

    • Logs: These can be redacted, ensuring that no private information is shared. Information is provided in Manage Logging.

    • Sessions: Can be configured for termination following periods of user-inactivity. This is described in Manage Sessions.

    See the navigation panel at the left, for details of additional management procedures documented in this section.

    Security Checklist

    The security checklist below should be reviewed and used in the set-up and maintenance of a Couchbase-Server cluster.

    Optionally, the checklist can be accessed as a PDF file.

    Access control

    • Create unique user accounts for each individual and application that accesses the platform.

    • Implement Role-Based Access Control and assign roles following a principle of least privilege

    • Leverage strongest available authentication mechanisms

    • Ensure secure storage and transfer of credentials or certificates

    • Implement Multi-Factor Authentication for individual access

    Secure Network Communication

    • Replace self-signed certificates with external CA certificates

    • Ensure all applications are using encrypted connections only and block insecure ports

    • Enforce TLS with ‘strict’ encryption setting to encrypt all network traffic internally and externally.

    • Only Enable IP Address Families as needed

    Secure Data Storage

    • Deploy encryption at rest

    • Implement (FLE) Field-level Encryption

    • Configure Secrets Management

    Limit Data Exposure

    • Remove unnecessary services and software

    • Regularly scan for and protect sensitive data

    • Control geographic distribution of data

    • Leverage log redaction when collecting and transferring logs

    • Deploy a comprehensive DR strategy utilizing offsite backups

    Auditing

    • Enable and configure auditing

    • Review audit logs manually and programmatically for anomalies

    Regular Review

    • Assess security from core to edge and perform regular security health checks

    • Review enhancements provided with each new version of the Couchbase Data Platform

    • Apply upgrades to the Couchbase Data Platform & SDK software, app frameworks, OS, networking infrastructure, etc.