This version is still in development and is not considered stable yet. For the latest stable version, please use Spring Security 6.1.12! |
HTTP
All HTTP based communication should be protected using TLS.
Below you can find details around WebFlux specific features that assist with HTTPS usage.
Redirect to HTTPS
If a client makes a request using HTTP rather than HTTPS, Spring Security can be configured to redirect to HTTPS.
For example, the following Java configuration will redirect any HTTP requests to HTTPS:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.redirectToHttps(withDefaults());
return http.build();
}
@Bean
fun springSecurityFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
redirectToHttps { }
}
}
The configuration can easily be wrapped around an if statement to only be turned on in production.
Alternatively, it can be enabled by looking for a property about the request that only happens in production.
For example, if the production environment adds a header named X-Forwarded-Proto
the following Java Configuration could be used:
-
Java
-
Kotlin
@Bean
SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
http
// ...
.redirectToHttps(redirect -> redirect
.httpsRedirectWhen(e -> e.getRequest().getHeaders().containsKey("X-Forwarded-Proto"))
);
return http.build();
}
@Bean
fun springSecurityFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
return http {
// ...
redirectToHttps {
httpsRedirectWhen {
it.request.headers.containsKey("X-Forwarded-Proto")
}
}
}
}
Strict Transport Security
Spring Security provides support for Strict Transport Security and enables it by default.
Proxy Server Configuration
Spring Security integrates with proxy servers.