세션 클러스터링을 한 이후 동시로그인 제한이 안되는데요

안녕하십니까

강사님 강의를 듣고 여기 커뮤니티에 나름 최신 소스 받아서 시큐리티 구현중인데요

이중화 환경에서 톰캣을 통해 세션을 공유하는것까지는 되었는데요

동시 로그인제한이 안되는데 추가적인 설정을 무엇을 해야할지 모르겠는데

도움좀 받을수 있을까요?

스프링 2.7.10

스프링 시큐리티 5.7.7

// 시큐리티 설정부분

@Slf4j
@RequiredArgsConstructor
@EnableWebSecurity
@Configuration
public class WebSecurityConfig {

    private final MemberRepository memberRepository;

    @Bean
    public SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http) throws Exception {

        // 경로 설정
        http.
                authorizeRequests()
                .antMatchers().permitAll()               
                .anyRequest().authenticated()
        ;

        // 동시 로그인 제한을 설정
        http
                .sessionManagement()
                .maximumSessions(1)
                .expiredUrl("/error/expired")
                .and().sessionCreationPolicy(SessionCreationPolicy.ALWAYS)

        ;


        http.logout()
                .logoutRequestMatcher(new AntPathRequestMatcher("/logout"))
                .invalidateHttpSession(true)
                .clearAuthentication(true)
                .deleteCookies("JSESSIONID")
        ;

		// 로그인... 인증 권한 체크...
	
        // 로그인
        return http.build();

    }

    /**
     * 여기에 Authentication 을 설정하도록
     */
    @Bean
    AuthenticationManager authenticationManager(AuthenticationConfiguration authConfiguration) throws Exception {
        return authConfiguration.getAuthenticationManager();
    }


    @Bean
    public static PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }


}

// 톰캣 클러스터링 부분 (https://happy-jjang-a.tistory.com/155를 참조했습니다.)

@Configuration
public class TomcatClusterConfig implements WebServerFactoryCustomizer<TomcatServletWebServerFactory> {
    @Override
    public void customize(final TomcatServletWebServerFactory factory) {
        factory.addContextCustomizers(new TomcatClusterContextCustomizer());
    }
}
class TomcatClusterContextCustomizer implements TomcatContextCustomizer {
    @Override
    public void customize(final Context context) {
        context.setDistributable(true); 

        DeltaManager manager = new DeltaManager();
        manager.setExpireSessionsOnShutdown(false);
        manager.setNotifyListenersOnReplication(true);
        context.setManager(manager);
        configureCluster((Engine) context.getParent().getParent());
    }
    private void configureCluster(Engine engine) {
        //cluster
        SimpleTcpCluster cluster = new SimpleTcpCluster();
        cluster.setChannelSendOptions(6);

        //channel
        GroupChannel channel = new GroupChannel();
        //membership setting
        McastService mcastService = new McastService();
        mcastService.setAddress("228.0.0.4");
        mcastService.setPort(45564); // TCP&UDP port 오픈 필요
        mcastService.setFrequency(500);
        mcastService.setDropTime(3000);
        channel.setMembershipService(mcastService);

        //receiver
        NioReceiver receiver = new NioReceiver();
        receiver.setAddress("auto");
        receiver.setMaxThreads(6);
        receiver.setPort(5000); // TCP port 오픈 필요
        channel.setChannelReceiver(receiver);

        //sender
        ReplicationTransmitter sender = new ReplicationTransmitter();
        sender.setTransport(new PooledParallelSender());
        channel.setChannelSender(sender);

        //interceptor
        channel.addInterceptor(new TcpPingInterceptor());
        channel.addInterceptor(new TcpFailureDetector());
        channel.addInterceptor(new MessageDispatchInterceptor());
        cluster.addValve(new ReplicationValve());
        cluster.addValve(new JvmRouteBinderValve());
        cluster.setChannel(channel);
        cluster.addClusterListener(new ClusterSessionListener());
        engine.setCluster(cluster);
    }
}

    @Bean
    public SpringSessionBackedSessionRegistry<? extends Session> springSessionBackedSessionRegistry(RedisIndexedSessionRepository redisIndexedSessionRepository) {
        return new SpringSessionBackedSessionRegistry<>(redisIndexedSessionRepository);
    }