# UNTESTED

my %args = ( 
    'user'       => $serverId, 
    'password'   => $serverPass, 
    'ssh_args'   => { 'cipher' => 'blowfish, },
);
my $stfp = Net::SFTP->new( $serverName, %args );

##</code><code>##

my %args = ( 
    'user'       => $serverId, 
    'password'   => $serverPass, 
    'debug'      => 1,
);
my $stfp = Net::SFTP->new( $serverName, %args );