Class - ClientConnectionEvent
ClientConnectionEvent.cancel:bool - Defaults to false, when true, the client will be disconnected
ClientConnectionEvent.reason:string - Sent to the client if cancel was true
ClientConnectionEvent.port:number - The TCP or UDP port number the client is connecting from (not typically useful)
ClientConnectionEvent.address:string - The IPv4 or IPv6 address of the client
ClientConnectionEvent.family:string - The client address type, either ipv4 or ipv6
ClientConnectionEvent.protocol:string - The transport the client is connected with, either tcp or udp