[Doc] Requires security guidelines at the network layer

### Search before asking

- [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar.

### What issue do you find in Pulsar docs?

For example, zk only allows broker and bk access
The broker only allows pub/sub access
bk only allows broker, bk, zk access

What is the listening port range for each process

### What is your suggestion?

supplement the above

### Any reference?

_No response_

### Are you willing to submit a PR?

- [ ] I'm willing to submit a PR!