A FilterChain is an object provided by the servlet container to the developer giving a view into the invocation chain of a filtered request for a resource.

What is the security filter chain?

Spring Security’s web infrastructure is based entirely on standard servlet filters. Spring Security maintains a filter chain internally where each of the filters has a particular responsibility and filters are added or removed from the configuration depending on which services are required. …

What is the use of filters in spring boot?

Filters as the name suggest used to perform filtering on either the request to a resource or on the response from a resource, or both. Spring Boot provides few options to register custom filters in the Spring Boot application.