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php扫描端口
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php实现对指定IP进行端口扫描
代码为
<html>
<head>
<meta http-equiv="Content-Type" content="text-html; charset=GBK" />
<title>IP port Scan</title>
<style type="text/css">
td{
padding:10px;
margin: 10px;
border-width:1px solid #eee;
text-align: center;
}
span{
color: red;
}
</style>
</head>
<body>
<form action="" method="POST">
please enter the IP address <input type="text" name="ip" >
<input type="submit" value="submit" style="display:none">
</form>
<?php
$ip=@$_POST['ip'];
$port=array(21,80,135,443,445,3306,3389,39000);
$time=4;
exec("ping $ip -n $time",$info);
//执行ping命令
if(count($info)>10){
foreach($port as $key=>$value){
$fp=@fsockopen($ip,$value,$errno,$errstr,30);
//打开一个网络连接
$result=$fp?'<span>open<span>':'close';
echo "<table><tr><td>port</td><td>statue</td>";
echo "<td>".$value."<td/><td>".$result."<td/></tr></table>";
}
}else{
echo implode("<br/>",$info);
}
?>
</body>
</html>
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