@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurerAdapter {

    private static final int CACHE_PERIOD = 31556926;//one year

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/favicon.ico").addResourceLocations("/favicon.ico").setCachePeriod(CACHE_PERIOD);
        registry.addResourceHandler("/media/**/*.{js,html,css}").addResourceLocations("/media/").setCachePeriod(CACHE_PERIOD);
    }

@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Override
    public void configure(WebSecurity web) throws Exception {
        web
                .ignoring()
                .antMatchers("/media/**/*.{js,html,css}")
                .antMatchers("/favicon.ico", "/about")

    }