# Technical configuration options

- [Technical overview of original OpenCATS Source code](/technical-configuration-options/technical-overview-of-original-opencats-source-code.md)
- [Access control lists](/technical-configuration-options/access-control-lists.md)
- [CMS addons](/technical-configuration-options/cms-addons.md)
- [Dev Guide to migrate Legacy to Symfony](/technical-configuration-options/dev-guide-to-migrate-legacy-to-symfony.md)
- [Developer Guide](/technical-configuration-options/developer-guide.md)
- [How\_to\_install\_Sphinx](/technical-configuration-options/how_to_install_sphinx.md)
- [How\_to\_script\_database\_backups](/technical-configuration-options/how_to_script_database_backups.md)
- [Docker - OpenCATS Installation Instructions](/technical-configuration-options/docker-opencats-installation-instructions.md)
- [LDAP\_Authentication\_module](/technical-configuration-options/ldap_authentication_module.md)
- [Multi lingual\_version](/technical-configuration-options/multi-lingual_version.md)
- [OpenCATS Youtube channel](/technical-configuration-options/opencats-youtube-channel.md)
- [Pre-requisites](/technical-configuration-options/pre-requisites.md)
- [Roadmap](/technical-configuration-options/roadmap.md)
- [Vital Security: Restrict access to upload folders (.htaccess)](/technical-configuration-options/vital-security-restrict-access-to-upload-folders-.htaccess.md)
- [OpenCATS Backup/Restore and Upgrade Instructions-THIS SECTION INCOMPLETE!](/technical-configuration-options/opencats-backup-restore-and-upgrade-instructions-this-section-incomplete.md)