Connections to a kafka broker

Couple of Questions related to kafka connections. How to see producer and consumer connections to a specific broker? How to kill a specific connection to a broker or cluster?

How to restrict kafka Topic creation/deletion and ACL create/delete for a TLS user?

I have AWS MSK Kafka Cluster (only TLS) and i want to restrict Topic Creation/Deletion for all the tls users except one user ( i am restricting all the zookeeper nodes through security) Issue: Currently i am able to create/delete the topics and also update the ACLs from all the tls users (with