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This course shows how to protect data against loss due to a disaster, system failure, or intrusion. Topics include permissions, access control lists, auditing, network security, and controlling remote access to the system.
Objectives:
After completing this course, students will be able to:
- Locate the files that control default system access
- Locate where password encryption and password aging information is stored
- Control default file or directory permissions
- List the places where unneeded network services and processes can be disabled
- Describe the process of restricting root and remote access to the system
Topics:
- Physical security
- Controlling system access
- Storing user account information
- Controlling file access
- Permission schemes for user and group IDs
- Access Control Lists (ACLs)
- Managing ACL entries
- Setting path and identification permission
- Monitoring users and system usage
- Obtaining login information
- Using firewalls and securing network services
- Other network security methods
- Remote system operations and the trusted host
- Restricting FTP
- Restricting root access
- Monitoring superuser access
- Automated Security Enhancement Tool (ASET)
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