NethServer – the replacement of windows small buiness server. Easy, fast and free!

Web filter

Filter HTTP and even HTTPS traffic using Squid proxy with or without authentication. Integrated with ClamAV antivirus and SquidGuard url blacklists.

Mail server

Reliable mail server based on Postfix (SMTP), Dovecot (IMAP/POP3) with antivirus and antispam filter (Amavis). Multi-domain, quota support, queue management, smart host. Fast web mail client (Roundcube).

File server

Shared folders for Windows and Linux networks (Samba). Primary Domain Controller and workstation mode. Support network recycle bin and folder auditing.

Web server

Multi-domain web server with ready LAMP stack. Access shared folders directly from web.


Modular UTM firewall based on Shorewall. Support for advanced policies, multiple WAN and QoS.


Host2Net and Net2Net VPNs based on OpenVPN and L2TP. Compatible with Windows, Linux, Android and iOS.


Based on SOGo, it offers shared calendars, address books and emails through Web browser, smartphone and tablet (Android/iOS) or by using a native client such as Mozilla Thunderbird.

Private Cloud

Based on ownCloud provides universal access to your files via the web, your computer or your mobile devices  wherever you are.


Scalable and ready to be customized, built-in extensibility and a lot of pre-configured modules installable with a “single click”


NethServer understands your security challenges, meeting compliance regulations, protecting your computing infrastructure and providing a safe environment

Cloud Ready

NethServer is based on CentOS which is one of the most popular distribution used on Cloud Infrastructure and VPS


Thanks to the efficient use of resources, NethServer is both fast on modern hardware and responsive on less powerful machines


Extremely modular and feature-rich: MailServer and Filter, WebServer/LAMP, Groupware, Firewall, Web Filter, Intrusion Prevention System, VPN and more.


Powerful web interface that simplifies common administration tasks, very easy and fast installation.


Based on CentOS/RHEL, a widespread and popular server distribution, trusted by routine security updates, and rock solid stability.


100% Open Source, powered by contributors and fueled by community. Transparent with open communication channels and well documented.