Hypertext Transfer Server Control Events  
Event Description
OnAuthenticate The client has requested authentication with the specified username and password
OnCommand The client has issued a command to the server
OnConnect The client established a connection to the server
OnDisconnect The client has disconnected from the server
OnDownload The client has downloaded a file from the server
OnError The client encountered an error when handling a client request
OnExecute The client has executed an external program on the server
OnIdle The last client has disconnected from the server
OnResult The command issued by the client has been processed by the server
OnStart The server has started listening for connections
OnStop The server has stopped accepting connections and all client sessions are terminated
OnTimeout The client has exceeded the maximum allowed idle time
OnUpload The client has uploaded a file to the server