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Below is a preparation guide for the Linux Professional Institute LPIC-3 Enterprise Security Exam

Best preparation guide For LPI 303-200 Certification Exam

Check out LPI 303-200 certification

LPIC-3: Linux Enterprise Professional Certification A high-level Linux certification requiring a valid LPIC-2 and passing any type of 300 series individual exam. Legitimate test IDs currently consist of 300: Mixed environment, 303: Protection as well as 304: Virtualization and also High Schedule. The mixed atmosphere exam covers Samba (domain name assimilation, client and team management, naming services, sharing agreements, etc.), as well as OpenLDAP, as well as working with Linux and Windows clients. The security review covers network and application security and procedures, as well as encryption and access to controls. Highly planned collection storage and monitoring, as well as virtualization, are covered in the Virtualization and High Accessibility exam.

In this guide, we'll cover everything you need to know about the LPI 303-200 Exam, including study tips, test content, scoring, the LPI practice exam, and much more.

LPI 303-200 Certified salary

  • United States: 84930 USD
  • England: 65112 Pound
  • India: 6367265 INR
  • Europe: 72042 Euro

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Exam Content Overview

303-200 syllabus is divided into four major domains that cover the areas of host security, security of networks, access control, and cryptography. Each of these modules is divided into minute subsections and disclosed in the official outline, so candidates can prepare using a detailed guide. Some of the key topics of the test revolve around X.509 certificates, the public key infrastructure, signing, TLS, SSL, protocol versions, systems for encrypted files, DNS, intrusion detection, user management, user as well as server authentication, Samba integration, installation of FreeIPA, access control management, network files, and packet filtering, among the rest.

Reference: https://www.lpi.org/our-certifications/exam-303-objectives

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Does any eligibility for LPI 303-200 Certification Exam

  • Prerequisites of this Exam is the candidate must have an active LPIC-2 certification to receive the LPIC-3 certification.

Lpi 303-200 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Host Security13%- Host Hardening
  • 1. Kernel security features and sysctl
    • 2. Service minimization and privilege reduction
      • 3. SSH certificate authentication
        • 4. Boot loader and BIOS security
          - Resource Control
          • 1. Process isolation techniques
            • 2. cgroups and systemd resource limits
              - Host Intrusion Detection
              • 1. Rootkit detection tools
                • 2. System auditing and integrity monitoring
                  Topic 2: Network Security17%- Network Hardening
                  • 1. Secure network services
                    • 2. Rogue device detection
                      - Virtual Private Networks
                      • 1. WireGuard setup and management
                        • 2. IPsec/IKEv2 with strongSwan
                          • 3. OpenVPN configuration
                            - Packet Filtering
                            • 1. iptables and ip6tables rules
                              • 2. Connection tracking and NAT
                                • 3. IP sets and advanced filtering
                                  - Network Intrusion Detection
                                  • 1. Vulnerability scanning tools
                                    • 2. IDS systems configuration
                                      Topic 3: Access Control8%- Discretionary Access Control
                                      • 1. Extended attributes
                                        • 2. File permissions and ACLs
                                          - Mandatory Access Control
                                          • 1. SELinux configuration and administration
                                            • 2. Awareness of AppArmor and Smack
                                              Topic 4: Threats and Vulnerability Assessment5%- Penetration Testing
                                              • 1. Security assessment tools
                                                • 2. Nmap network scanning
                                                  • 3. Penetration testing methodology
                                                    - Common Security Vulnerabilities and Threats
                                                    • 1. Attack vectors and threats classification
                                                      • 2. Defense strategies
                                                        Topic 5: Cryptography17%- X.509 Certificates for Encryption, Signing and Authentication
                                                        • 1. SSL/TLS protocols and cipher suites
                                                          • 2. HTTPS configuration with Apache HTTPD
                                                            • 3. Client and server authentication via certificates
                                                              - X.509 Certificates and Public Key Infrastructures
                                                              • 1. Public Key Infrastructure (PKI) concepts
                                                                • 2. X.509 certificate structure and lifecycle
                                                                  • 3. Certificate authorities, issuance and revocation
                                                                    • 4. OpenSSL usage and configuration
                                                                      - Encrypted File Systems
                                                                      • 1. eCryptfs file system encryption
                                                                        • 2. PAM integration for encrypted home directories
                                                                          • 3. dm-crypt and LUKS encryption
                                                                            - DNS and Cryptography
                                                                            • 1. BIND secure server setup
                                                                              • 2. DANE and CAA records
                                                                                • 3. DNSSEC configuration and management

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