Explore SELinux access control mechanisms and policies.
- [Instructor] The standard Linux Access Control Mechanism … using users, groups, and permissions is a model … that's called Discretionary Access Control, or DAC. … SELinux uses a security model called MAC, … or Mandatory Access Control, which adds labels … to objects on the file system to provide … more granular access control. … It operates as a separate security layer … form the D-A-C or DAC system, … maintaining it's own list of security permissions. … This capability has been built … into the Linux Kernel since version 2.6. … SELinux has three operating states, or modes, … Enforcing, Permissive, and Disabled. … Enforcing does exactly what it sounds like, … it enforces the SELinux policies, … granting and preventing access … to resources in acordances with it's rules. … Permissive still checks requests for resources, … but only logs exceptions, still allowing … operations to continue. … If a resource access request is in violation … of the policy, a message is written to the audit log. …
- What is CentOS?
- Installing CentOS
- Configuring networking manually
- Configuring the network with NetworkManager
- Connecting remotely
- Working with security-enhanced Linux (SELinux)
- Setting up a firewall
- Setting up a web server
- Sharing user home folders with Samba
- Setting up a desktop environment
Skill Level Beginner
1. Getting Started
2. Basic Administration
3. Working with Security-Enhanced Linux (SELinux)
4. Working with Common Services and Applications
5. Using a Desktop
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