ClearOS is a powerful network and gateway server designed for small organizations and distributed environments. Though ClearOS comes with an extensive list of features and integrated services (see sidebar), the solution is easy to configure thanks to the intuitive web-based interface.

Based on CentOS, ClearOS is a network and gateway server especially made for small businesses and distributed environments. It offers a comprehensive list of integrated services that are easy to configure through its intuitive and user-friendly web-based interface. ClearOS also features several essential tools and modules that include antispam, antivirus, content filtering, VPN, bandwidth manager, SSL certification, web log analyzer, etc. The distribution is available as a free download including free security updates for 18 months.


  • Integrated LDAP for User and Group Management
  • User Security Certificate Manager
  • Multi-WAN
  • VPN – PPTP, IPsec, OpenVPN
  • DMZ and 1-to-1 NAT
  • Stateful Firewall
  • Local DHCP and DNS Servers
  • Antimalware – Antivirus, Antiphishing, Antispyware
  • Antispam
  • Bandwidth Management
  • Intrusion Protection, Intrusion Prevention, Intrusion Detection
  • Protocol Filtering including Peer-to-Peer Detection
  • Content Filter
  • Web Proxy
  • Access Control
  • Windows Networking with PDC Support
  • File and Print Services
  • Flexshares
  • Groupware with Outlook Connector
  • Mail Server – POP, IMAP, SMTP, Webmail, Retrieval
  • Mail Filtering - Antispam, Antimalware, Greylisting, Quarantine
  • Mail Archiving
  • Database with MySQL
  • Web Server with PHP Support

Visit ClearOS for Download and More Details :

Post By Gishore J Kallarackal (2,121 Posts)

Gishore J Kallarackal is the founder of techgurulive. The purpose of this site is to share information about free resources that techies can use for reference. You can follow me on the social web, subscribe to the RSS Feed or sign up for the email newsletter for your daily dose of tech tips & tutorials. You can content me via @twitter or e-mail.

Website: → Techgurulive