Symfony Configuration
- [Automatic Search Engine Protection](Automatic Search Engine Protection)
- [Configurable Session ID](Configurable Session ID)
- [Configuring Services With Immutable Setters](Configuring Services With Immutable Setters)
Controller
- [Front Controller Configuration](Front Controller Configuration)
Password hashers
- [Sodium password encoder](Sodium password encoder)
- [Symfony Native Encoder](Symfony Native Encoder) (best practice since [Symfony 4.3](Symfony 4.3))
Encryption
- [Ecrypted Secrets Management](Ecrypted Secrets Management)
Events
[Event Listeners](Event Listeners)
Firewalls
- [Lazy Firewalls](Lazy Firewalls)
Translator
- [Pseudo-localization Translator](Pseudo-localization Translator)
RateLimiter Component
- [Symfony RateLimiter Component](Symfony RateLimiter Component)