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Spring Security Configuration

April 5, 2026

Secure Applications

Authentication, authorization, JWT token support.

Security Setup

@EnableWebSecurity
public class SecurityConfig {
    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) {
        return http.authorizeHttpRequests(auth -> auth
            .requestMatchers("/public/**").permitAll()
            .anyRequest().authenticated()
        ).build();
    }
}

Security Features

  • OAuth2 resource server
  • JWT token validation
  • Method security (@PreAuthorize)
  • Custom UserDetailsService
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