Linux Security Administrator (GLSA)

GLSA certification holders have the knowledge, skills and abilities to secure and audit UNIX and Linux systems, and are able to use multiple tools to handle security issues.
• Securing user accounts
• Securing the server with a firewall
• SSH encryption and hardening
• Discretionary access control (DAC)
• Access control lists (ACLs) and
• management of shared directories
• Mandatory access control (MAC)
• Linux Audit & Hardening