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ISPConfig is released as open source software under the BSD license. No registration, no license key.

Stable release

ISPConfig 3.3.2p1

Released 2026-09-21 · Release notes

ISPConfig-3.3.2p1.tar.gz

New installation

The recommended way is the ISPConfig Autoinstaller. It prepares a fresh Debian or Ubuntu server with all services and installs ISPConfig. Step-by-step guides for a manual installation and for multiserver setups are on the documentation page.

root@server1: ~bash

# Show all installer options first

$ wget -O - https://get.ispconfig.org | sh -s -- --help

Autoinstaller guide at HowtoForge

Update an existing installation

Run the updater as root on the shell of the server. It checks for new releases and guides you through the update. In a multiserver setup, update the Management Server first and then the Service Nodes.

root@server1: ~bash

$ ispconfig_update.sh

To update manually from the tarball:

cd /tmp
wget https://www.ispconfig.org/downloads/ISPConfig-3.3.2p1.tar.gz
tar xvfz ISPConfig-3.3.2p1.tar.gz
cd ispconfig3_install/install
php -q update.php

Development versions

Nightly builds from the development branch are meant for testing only. Do not use them on production servers.

ISPConfig-3-nightly.tar.gz · Git repository