# Security Customization

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