> For the complete documentation index, see [llms.txt](https://docs.collibra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.collibra.com/data-quality-self-hosted/connections/authentication.md).

# Authentication

- [Kerberos authentication](https://docs.collibra.com/data-quality-self-hosted/connections/authentication/kerberos-authentication.md)
- [Create a krb5.conf file](https://docs.collibra.com/data-quality-self-hosted/connections/authentication/create-a-krb5-conf-file.md)
- [Create Kerberos authentication files](https://docs.collibra.com/data-quality-self-hosted/connections/authentication/create-kerberos-authentication-files.md)
- [Configure AWS passwordless authentication using Amazon RDS PostgreSQL as the Metastore](https://docs.collibra.com/data-quality-self-hosted/connections/authentication/configure-aws-passwordless-authentication-using-amazon-rds-postgresql-as-the-metastore.md)
- [Configure Azure passwordless authentication using Azure PostgreSQL as the Metastore](https://docs.collibra.com/data-quality-self-hosted/connections/authentication/configure-azure-passwordless-authentication-using-azure-postgresql-as-the-metastore.md)
- [Connect to a Google Cloud SQL Instance](https://docs.collibra.com/data-quality-self-hosted/connections/authentication/connect-to-a-google-cloud-sql-instance.md)
- [Configure Spark for a password manager](https://docs.collibra.com/data-quality-self-hosted/connections/authentication/configure-spark-for-a-password-manager.md)