McAfee Linux Operating System

The McAfee Linux Operating System (MLOS) provides a standardized Linux-based platform on which various McAfee security appliances are built. All MLOS versions so far have been built from Red Hat sources.

There have been three major releases of MLOS to date:

  • MLOS1 – Built from CentOS 5 sources
  • MLOS2 – Built from RHEL 6 sources
  • MLOS3 – Built from RHEL 7 sources

Packages are RPM-based as you would expect but the version string is mlos1, mlos2 or mlos3 as shown in he following examples:


Note that the operating system used by McAfee Firewall Enterprise (MFE) is SecureOS, a derivative of FreeBSD.

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