# Advanced features

- [Manage secrets](/maestro-cloud/advanced-features/manage-secrets.md): Pass sensitive parameters like usernames and passwords to Maestro Cloud tests via environment variables using the -e CLI option.
- [Reuse app binary](/maestro-cloud/advanced-features/reuse-app-binary.md): Use --app-binary-id to skip re-uploading your app and save time. Find the binary ID in CLI output or Maestro dashboard.
- [IP allowlist](/maestro-cloud/advanced-features/ip-allowlist.md): Static IP addresses used by Maestro Cloud to connect to your services. Add to your firewall or ACLs for access.