> For the complete documentation index, see [llms.txt](https://docs.inrupt.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inrupt.com/ess/2.5/installation/customize-configurations/customization-security.md).

# Security Customization

- [Set Authorization Client Allow List](https://docs.inrupt.com/ess/2.5/installation/customize-configurations/customization-security/modify-authz-client-list.md)
- [Set Initial Pod Clients Allow List](https://docs.inrupt.com/ess/2.5/installation/customize-configurations/customization-security/modify-pod-client-list.md)
- [Manage OpenID Token Issuer Allow/Deny Lists](https://docs.inrupt.com/ess/2.5/installation/customize-configurations/customization-security/manage-identity-providers.md)
- [Use Official Certificate Authority](https://docs.inrupt.com/ess/2.5/installation/customize-configurations/customization-security/use-production-lets-encrypt.md)
- [Add Custom Certificates to ESS Services](https://docs.inrupt.com/ess/2.5/installation/customize-configurations/customization-security/add-custom-certs.md)