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Professional Level
13 Hands-on labs

LPIC-3 Exam 303: Security

By Stosh Oldham

Everything you need to prepare for the LPIC-3 Exam 303: Security Certification.

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21 hours
  • 69 Lessons
  • 13 Hands-On Labs
  • 2 Course Quizzes
  • 1 Practice Exam

About the course

This course is designed to prepare students to take the LPIC-3 Exam 303: Security Certification. The course covers a wide variety of security topics and technologies in a platform-agnostic manner. Students will gain practical insights and learn best practices for security on various Linux platforms.

Lab Highlights

Managing File Attributes and Permissions Troubleshooting SELinux Configuring SSSD Linux Kernel Security Configuring PAM Working with OpenSSL and Httpd Disk Encryption with eCryptfs Exporting an NFSv4 Volume with ACLs Packet Capture and Analysis Working with FreeIPA Working with the Audit Log Working with IP Sets and iptables Working with OpenVPN (and iptables)
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  • Chapter 1 4 Lessons Course Introduction 15:08

    An Important Note About A Cloud Guru and Linux Academy Courses

    1:19

    About this Course

    9:08

    About the Training Architect

    0:36

    Course Features and Tools

    4:05
  • Chapter 2 6 Lessons 325.1 X.509 Certificates and Public Key Infrastructures 1:27:46

    Cryptography Concepts Part 1

    8:24

    Cryptography Concepts Part 2

    6:09

    PKI and Trust Chains

    7:20

    Request, Sign, and Manage Certificates

    11:11

    Operating a Certificate Authority

    9:42

    X.509 Certificates and Public Key Infrastructures

    45:00 Quiz
  • Chapter 3 6 Lessons 325.2 X.509 Certificates for Encryption, Signing and Authentication 1:06:45

    SSL, TLS, and Apache HTTPD Server

    6:26

    The ssl.conf File: Important Directives and Security Focused Configurations

    12:24

    Understanding SNI and HSTS

    7:04

    Using the openssl Command to Work with Certificates and Web Servers

    10:51

    Working with OpenSSL and Httpd

    0:00 Hands-On Lab

    325.2 X.509 Certificates for Encryption, Signing and Authentication

    30:00 Quiz
  • Chapter 4 3 Lessons 325.3 Encrypted File Systems 15:40

    Creating Encrypted Volumes

    6:28

    Demo: Working with LUKS

    9:12

    Disk Encryption with eCryptfs

    0:00 Hands-On Lab
  • Chapter 5 3 Lessons 325.4 DNS and Cryptography 29:57

    Working with DNS

    13:20

    Securing DNS with DNSSEC

    12:45

    Understanding DANE

    3:52
  • Chapter 6 4 Lessons 326.1 Host Hardening 26:34

    Kernel Security Part 1

    10:31

    Kernel Security Part 2

    8:07

    Securing Grub

    7:56

    Linux Kernel Security

    0:00 Hands-On Lab
  • Chapter 7 5 Lessons 326.2 Host Intrusion Detection 50:25

    Threat Detection

    13:02

    Working with Maldet

    12:07

    Understanding Rootkits

    8:51

    System Auditing in LInux

    16:25

    Working with the Audit Log

    0:00 Hands-On Lab
  • Chapter 8 6 Lessons 326.3 User Management and Authentication 43:54

    Linux Login Essentials

    9:38

    PAM Concepts

    10:01

    Kerberos Concepts

    9:09

    Understanding SSSD

    15:06

    Configuring PAM

    0:00 Hands-On Lab

    Configuring SSSD

    0:00 Hands-On Lab
  • Chapter 9 4 Lessons 326.4 FreeIPA Installation and Samba Integration 17:30

    Overview of FreeIPA

    6:13

    Installing and Configuring FreeIPA

    5:25

    Working with FreeIPA

    5:52

    Working with FreeIPA

    0:00 Hands-On Lab
  • Chapter 10 4 Lessons 327.1 Discretionary Access Control 16:40

    Basic System Permissions

    6:09

    Extended Attributes

    6:08

    Using ACLs

    4:23

    Managing File Attributes and Permissions

    0:00 Hands-On Lab
  • Chapter 11 4 Lessons 327.2 Mandatory Access Control 18:53

    Understanding MAC

    3:16

    SELinux

    11:18

    AppArmor and Smack: MAC alternatives

    4:19

    Troubleshooting SELinux

    0:00 Hands-On Lab
  • Chapter 12 5 Lessons 327.3 Network File Systems 29:55

    NFSv4 Improvements

    3:17

    NFS in Practice

    6:58

    NFS4 ACLs

    8:56

    CIFS Configuration

    10:44

    Exporting an NFSv4 Volume with ACLs

    0:00 Hands-On Lab
  • Chapter 13 4 Lessons 328.1 Network Hardening 28:27

    Configuring FreeRADIUS

    7:28

    Analyzing Network Traffic

    11:35

    Network Utilities and Threats

    9:24

    Packet Capture and Analysis

    0:00 Hands-On Lab
  • Chapter 14 3 Lessons 328.2 Network Intrusion Detection 22:13

    Network Monitoring

    4:11

    Configure and Use Snort

    13:14

    OpenVAS Overview

    4:48
  • Chapter 15 4 Lessons 328.3 Packet Filtering 24:09

    Firewall Concepts

    9:35

    Advanced Firewall Concepts

    11:23

    Ebtables and Nftables

    3:11

    Working with IP Sets and iptables

    0:00 Hands-On Lab
  • Chapter 16 3 Lessons 328.4 Virtual Private Networks 16:02

    OpenVPN

    8:01

    IPSec Concepts

    8:01

    Working with OpenVPN (and iptables)

    0:00 Hands-On Lab
  • Chapter 17 4 Lessons Review and Next Steps 1:43:07

    Exam Review

    5:32

    Scheduling and Taking the Exam

    4:12

    After Certification

    3:23

    Linux Security

    1:30:00 Quiz

What are Hands-on Labs

What's the difference between theoretical knowledge and real skills? Practical real-world experience. That's where Hands-on Labs come in! Hands-on Labs are guided, interactive experiences that help you learn and practice real-world scenarios in real cloud environments. Hands-on Labs are seamlessly integrated in courses, so you can learn by doing.

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