code: @Bean
      @ConditionalOnProperty(prefix = "hawkbit.server.security.dos.filter", name = "enabled", matchIfMissing = true)
      public FilterRegistrationBean<DosFilter> dosSystemFilter(final HawkbitSecurityProperties securityProperties) {
  
          final FilterRegistrationBean<DosFilter> filterRegBean = dosFilter(Collections.emptyList(),
                  securityProperties.getDos().getFilter(), securityProperties.getClients());
          filterRegBean.setUrlPatterns(Arrays.asList("/system/*"));
          filterRegBean.setOrder(DOS_FILTER_ORDER);
          filterRegBean.setName("dosSystemFilter");
  
          return filterRegBean;
      }
docs: Filter to protect the hawkBit server system management interface against
  to many requests.
  
  @param securityProperties
  for filter configuration
  
  @return the spring filter registration bean for registering a denial of
  service protection filter in the filter chain