Powerful, mature and open source virtual host management system VHCS. Its main functions include: 1. Multi-level management: three levels: administrator, agent, and end user 2. Virtual host management (based on host name and based on IP) 3. Binding of multiple top-level domain names and unlimited second-level domain names 4.DNS management 5.FTP user management 6.EMAIL account and EMAIL service management (including webmail) 7. Configuration and management of CGI, PHP and SSI support 8.Support MYSQL database creation and management 9. Hard disk space limitation 10. Server IP address management 11. Backup and recovery 12.Support SSL 13. Password protection of pages or directories (through .htaccess) 14. Traffic statistics 15. Multi-language support (including Chinese language pack) 16.Change the theme