What is ISPConfig?
ISPConfig is a free, open-source hosting control panel that supports managing multiple servers from a single interface. It handles web hosting, email, DNS, and FTP across distributed infrastructure.
Single Server Installation
wget -O ispconfig.sh https://get.ispconfig.org && sudo bash ispconfig.shThe auto-installer handles all dependencies: Apache/Nginx, MariaDB, Postfix, Dovecot, PureFTPd, BIND, and more.
Multi-Server Architecture
- Master server — runs the control panel and MySQL database
- Web nodes — serve websites
- Mail nodes — handle email
- DNS nodes — authoritative DNS
Key Features
- Multi-server management from single panel
- Reseller accounts with resource limits
- Let's Encrypt integration
- Quota management (disk, traffic, email)
- DNS zone management with templates
- Automated backup scheduling
Best For
ISPConfig is ideal for hosting providers and agencies managing multiple client websites across several servers. It is heavier than CloudPanel but more feature-complete for multi-tenant hosting.