
Enterprise Linux Server Hardening – GL413
Course Duration
4 Days
Audience
Employees of federal, state and local governments; and businesses working with the government.
Prerequisites
Knowledge equivalent to GL120 Linux Fundamentals and GL250 Enterprise Linux Systems Administration.
Course Description
This course teaches students how to harden Red Hat Enterprise Linux servers against security threats. Topics include security concepts, minimizing the default installation, service hardening, host-based firewalls, SELinux, auditing, and encryption — equipping administrators to build and maintain more secure Linux environments.
Course Outline
- SECURITY CONCEPTS Basic Security Principles
- RHEL7 Default Install
- Minimization – Discovery
- Service Discovery
- Hardening
- Security Concepts
- Removing Packages Using RPM
- Firewall Configuration
- Process Discovery
- Operation of the setuid() and capset() System Calls
- Operation of the chroot() System Call
- Introduction to Troubleshooting Labs
- SCANNING, PROBING, AND MAPPING VULNERABILITIES The Security Environment
- Stealth Reconnaissance
- The WHOIS database
- Interrogating DNS
- Discovering Hosts
- Discovering Reachable Services
- Reconnaissance with SNMP
- Discovery of RPC Services
- Enumerating NFS Shares
- Nessus/OpenVAS Insecurity Scanner
- Configuring OpenVAS
- Intrusion Detection Systems
- Snort Rules
- Writing Snort Rules
- NMAP
- OpenVAS
- Advanced nmap Options
- TRACKING SECURITY UPDATES AND SOFTWARE MAINTENANCE Security Advisories
Frequently Asked Questions
What does the Enterprise Linux Server Hardening – GL413 course cover?
This course covers Enterprise Linux Server Hardening – GL413 training and best practices. IT Dojo delivers it as live instructor-led training with an emphasis on practical skills for government and DoD professionals.
How long is IT Dojo's Enterprise Linux Server Hardening – GL413 training?
IT Dojo's Enterprise Linux Server Hardening – GL413 training is 4 Days. It is available as live remote online instruction or on-site at your facility. All sessions are instructor-led with small class sizes to ensure individual attention.
Is this course available as live remote online training?
Yes. IT Dojo offers Enterprise Linux Server Hardening – GL413 as live remote online training. A certified instructor leads the session in real time — students interact via chat or microphone. Classes are kept small (typically no more than 16 students) to ensure engagement. On-site delivery at your government facility or contractor location is also available.
What prerequisites are recommended before this course?
Knowledge equivalent to GL120 Linux Fundamentals and GL250 Enterprise Linux Systems Administration.
Does IT Dojo offer this training on-site at government or DoD facilities?
Yes. IT Dojo delivers Enterprise Linux Server Hardening – GL413 on-site at government agencies, DoD commands, military installations, and contractor facilities. On-site training is ideal for teams of four or more and can be customized to your organization's specific environment and mission requirements. Contact IT Dojo to schedule.
How do I register for this course?
IT Dojo training is employer-sponsored — your organization registers and pays for seats. To schedule Enterprise Linux Server Hardening – GL413 for your team, contact IT Dojo via the Request Training form or call 757-216-3656. IT Dojo will work with your contracting officer, training coordinator, or program office to set up the course.