The document outlines key security features developed by Fedora engineers for their operating system, including a default firewall, PolicyKit for privilege control, and SELinux for mandatory access control. It also highlights full disk and file-level encryption, as well as support for virtualization and sandboxing to enhance security. Additionally, Fedora restricts kernel memory access to prevent overwriting, further improving system security.

1. Security features: Security features aremost important of an operating system.
The following security features were developed by Fedora engineers.
Firewall by default: Fedora provides a default firewall that can limit both
incoming and outgoing connections.

2. Easy and painless administration (PolicyKit):PolicyKitis a new toolkit from
Fedora developers for controlling privileges of system-wideservices.
SELinux: Fedora is the firstmainstream operating systemto provideMAC
(Mandatory Access Control) based security using SELinux enabled by default.
Full Disk and File Level Encryption: Fedora providefull disk and file level
encryption.
VirtualizationandSandboxing: Fedora provides supportfor many virtualization
techniques and sandboxing which can be used to improvesecurity.
 Virtualization allows running isolated virtualmachines
 Sandboxing allows effective isolation of one or moreprocesses
RestrictedKernelMemory Access:Fedora restricts how the kernel memory can
be overwritten.