Lesson 4 — Security Configuration in TYPO3
Prerequisites and goals
Prerequisites
Theoretical prerequisites
This lesson assumes that you already know the following:
- Understand TYPO3's security architecture components
- Learn about server environment security requirements
- Master access control fundamentals in TYPO3
- Understand encryption and SSL concepts
Practical prerequisites
Before you start this lesson, please have the following things ready:
- Configure secure file and folder permissions
- Set up SSL certificates and HTTPS
- Implement basic access restrictions
- Secure the TYPO3 Install Tool
Goals
Theoretical goals
By the end of this lesson, you should know the following:
- Understand security header concepts and purposes
- Learn about common web vulnerabilities and protections
- Master database security principles
- Understand session handling security
Practical goals
By the end of this lesson, you should have completed the following:
- Configure security headers for TYPO3
- Implement XSS and CSRF protections
- Secure database connections and queries
- Set up secure session handling