$ftp= Net::FTP->new(host[,options])
Constructs a new Net::FTP object. Arguments are:
The name of the remote host.
A hash specifying any of the following information:
FirewallName of an FTP firewall.
PortPort number to use for the FTP connection. Defaults to 21.
TimeoutTimeout value. Defaults to 120 seconds.
DebugDebug level.
PassiveTrue or false, specifying whether to perform transfers in passive mode.