CompTIA Linux+: Security

سرفصل های دوره

Security and Cyber-Security skills are more and more sort after. This course will teach you to secure various Linux distributions and to look at the security angle as a first approach.

01. Course Overview

1. Course Overview

02. Securing Linux Systems

1. Introducing LInux Security

2. Web Server Startup and Permissions

3. Documentation May Not Always Be Correct

4. Certificate Trusts

5. Summary and Whats Next

03. Understanding the File Mode or Permissions

1. Welcome to the Linux File Mode

2. Listing File Permissions

3. Working with the Umask and Default Permissions

4. Understanding the Command Chmod

5. Using Chmod to Manage Permissions

6. Using Advanced Symbolic Notation

7. Changing File Ownership

8. Setting Execute Only on a Directory

9. Summary and Whats Next

04. Managing Special File Permissions

1. What Are Special Permissions-

2. Finding, Listing, and Setting Special Permissions

3. Using the Sticky Bit to Prevent Deletions

4. Setting the SGID Bit on Directories

5. Showing Collaborative Permissions with the Apache Web Server

6. Special Permission on Executables

7. Using Linux Capabilities

8. Summary and Whats Next

05. Extending the File Mode with ACLs

1. Understanding the File Mode Limits

2. Checking for ACL Support

3. Configuring HTTPD Securely with ACLS

4. Understanding ACLS

5. Working with ACLS

6. Summary and Whats Next

06. Implementing SELinux

1. Welcome to SELinux

2. Managing SELinux Modes

3. Configuring SELinux Booleans

4. Understanding File Contexts

5. Managing File Contexts

6. Relocating User Home Directories

7. Summary and Whats Next

07. Working with AppArmor

1. Understanding AppArmor

2. Installing AppArmor Components

3. Viewing Active Profiles

4. Creating Python Script

5. Generating a Profile for the Script

6. Using Logprof to Update Profile

7. Summary and Whats Next

08. Managing SSH Servers and Connections

01. Managing Secure Connections in Linux

02. Understanding Available Authentication Methods

03. Managing Known SSH Servers or Hosts

04. Working with Known Hosts Storage

05. Centralizing Known Hosts

06. Authenticating SSH Clients

07. Understanding the SSH CA

08. Implementing an SSH CA

09. Signing Server Keys with the CA

10. Summary and Whats Next

09. Elevating Privileges in Linux

1. Becoming the Boss

2. Using Su

3. Understanding Sudo

4. Using Sudo

5. Environment Variables and Sudo

6. Understanding PolKit

7. Recovering Broken Sudo Systems Using Polkit

8. Summary and Whats Next

10. Managing Local Users

01. Managing Local Users and Groups

02. Listing Users

03. Working with User Default Settings

04. Managing New Users

05. Modifying and Deleting Users

06. Understanding Password Shadow Data

07. Working with Shadow Data

08. Understanding Password Encryption

09. Working with Passwords and Understanding Authentication

10. Managing User Passwords

11. Managing Linux Groups

12. Summary and Whats Next

11. Implementing HTTPS with the Apache Web Server

1. HTTPS Self-signed Certificates

2. Installing Apache

3. Understanding the Ubuntu Apache Configuration

4. Configuring SSL on Apache

5. Redirect HTTP to HTTPS

6. Investigating Certificate Chains with OpenSSL

7. Summary and Whats Next

12. Implementing an openSSL Certificate Server

1. Using Certificate Authorities

2. Creating a CA from the CLI

3. Creating a Certificate Signing Request

4. Signing the CSR

5. Configuring Apache with CA Certitficate

6. Graphical Certificate Management on openSUSE

7. Summary and Whats Next

13. Implementing Identity Management with openLDAP and SSSD

1. Identity Management in Linux

2. Installing OpenLDAP on Ubuntu 20.04

3. Adding and Searching Entries in OpenLDAP

4. Understanding StartTLS

5. Configuring StartTLS in OpenLDAP

6. Configuring SSSD on Ubuntu

7. Configuring SSSD on AlmaLinux

8. Summary and Whats Next

14. Hardening Your Linux Systems

1. Security Hardening in Linux

2. Checking Listening Ports and Restricting Access to SSSD

3. Removing Extra Services

4. Securing ICMP Access Using Sysctl

5. Listing User Details

6. Locking Failed Login Attempts

7. Summary and Whats Next

15. Implementing Firewalls with Firewalld

1. Introducing Firewalld as a Host Based Firewall

2. Basic Firewalld Management

3. Adding and Removing Services

4. Adding Source Addresses

5. Editing Service Definitions

6. Summary and Whats Next

16. Implement Firewalls with UFW

1. Welcome to the Uncomplicated Firewall

2. Adding Basic UFW Rules

3. Tuning SSH Allow Rules

4. Allowing HTTP Access

5. Reporting on Rules

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تولید کننده: PluralSight