Script UDP Flood In Perl - itlampung.com - Jika anda bekerja disebuah perusahaan IT terkadang diperlukan beberapa tools untuk mempermudah dalam melaksanakan Troubleshooting.
Salah satunya yakni test troughput bandwidth, berikut yakni script perl yang sengaja dibentuk untuk tujuan yang positif.
Jika ingin menggunakannya cukup dengan memakai OS Linux dan pastikan sudah terinstall Perl v5.
copy paste script berikut
Usage :
http://wiki.nil.com/UDP_flood_in_Perl
Salah satunya yakni test troughput bandwidth, berikut yakni script perl yang sengaja dibentuk untuk tujuan yang positif.
Jika ingin menggunakannya cukup dengan memakai OS Linux dan pastikan sudah terinstall Perl v5.
root@pc-linux: # touch flood.pl
root@pc-linux: # nano flood.pl
copy paste script berikut
#!/usr/bin/perl ##################################################### # udp flood. ###################################################### use Socket; use strict; use Getopt::Long; use Time::HiRes qw( usleep gettimeofday ) ; our $port = 0; our $size = 0; our $time = 0; our $bw = 0; our $help = 0; our $delay= 0; GetOptions( "port=i" => \$port, # UDP port to use, numeric, 0=random "size=i" => \$size, # packet size, number, 0=random "bandwidth=i" => \$bw, # bandwidth to consume "time=i" => \$time, # time to run "delay=f"=> \$delay, # inter-packet delay "help|?" => \$help); # help my ($ip) = @ARGV; if ($help || !$ip) { print <<'EOL'; flood.pl --port=dst-port --size=pkt-size --time=secs --bandwidth=kbps --delay=msec ip-address Defaults: * random destination UDP ports are used unless --port is specified * random-sized packets are sent unless --size or --bandwidth is specified * flood is continuous unless --time is specified * flood is sent at line speed unless --bandwidth or --delay is specified Usage guidelines: --size parameter is ignored if both the --bandwidth and the --delay parameters are specified. Packet size is set to 256 bytes if the --bandwidth parameter is used without the --size parameter The specified packet size is the size of the IP datagram (including IP and UDP headers). Interface packet sizes might vary due to layer-2 encapsulation. Warnings and Disclaimers: Flooding third-party hosts or networks is commonly considered a criminal activity. Flooding your own hosts or networks is usually a bad idea Higher-performace flooding solutions should be used for stress/performance tests Use primarily in lab environments for QoS tests EOL exit(1); } if ($bw && $delay) { print "WARNING: computed packet size overwrites the --size parameter ignored\n"; $size = int($bw * $delay / 8); } elsif ($bw) { $delay = (8 * $size) / $bw; } $size = 256 if $bw && !$size; ($bw = int($size / $delay * 8)) if ($delay && $size); my ($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 "Interpacket delay $delay msec\n" if $delay; print "total IP bandwidth $bw kbps\n" if $bw; print "Break with Ctrl-C\n" unless $time; die "Invalid packet size requested: $size\n" if $size && ($size < 64 || $size > 1500); $size -= 28 if $size; 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)); usleep(1000 * $delay) if $delay; }
Selanjutnya rubah permission file, root@pc-linux: # chmod 755 flood.pl
root@pc-linux: # ./flood.pl ipaddress
Usage :
flood.pl --port port --size bytes --time seconds --bandwidth kbps --delay msec target-ip-address
Source :
http://wiki.nil.com/UDP_flood_in_Perl
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