php实现在线端口扫描实例代码

原创: 2016-06-13 10:39:06 1419浏览

$youip=$HTTP_SERVER_VARS["REMOTE_ADDR"];
$remoteip=$HTTP_POST_VARS[remoteip];
?>
php实现端口在线检测
if (!empty($remoteip)){
function err() {
die(" 对不起，该IP地址不合法
点击这里返回");
}
// 定义提交错误IP的提示信息
$ips=explode(".",$remoteip);
// 用.分割IP地址
if (intval($ips[0])<1 or intval($ips[0])>255 or intval($ips[3])<1 or intval($ips[3]>255)) err();
// 如果第一段和最后一段IP的数字小于1或者大于255，则提示出错
if (intval($ips[1])<0 or intval($ips[1])>255 or intval($ips[2])<0 or intval($ips[2]>255)) err();
// 如果第二段和第三段IP的数字小于0或者大于255，则提示出错
$closed=此端口目前处于关闭状态。;
$opened=此端口目前处于打开状态！;
$close="关闭";
$open="打开";
$port=array(21,23,25,79,80,110,135,137,138,139,143,443,445,1433,3306,3389);
$msg=array(Ftp,Telnet,Smtp,Finger,Http,Pop3,Location Service,Netbios-NS,Netbios-DGM,Netbios-SSN,IMAP,Https,Microsoft-DS,MSSQL,MYSQL,Terminal Services);
// 通过IP格式的检查后用数组定义各端口对应的服务名称及状态
echo "
";
echo " ";
echo " ";
echo " ";
echo "
您扫描的IP：".$remoteip."
";
echo " ";
echo " ";
echo " ";
echo " ";
echo " ";
echo " ";
echo " ";
// 输出显示的表格
for($i=0;$i
{
$fp = @fsockopen($remoteip, $port[$i], &$errno, &$errstr, 1);
if (!$fp) {
echo " ";
} else {
echo "";
}
}
// 用for语句，分别用fsockopen函数连接远程主机的相关端口，并输出结果
echo " ";
echo "
echo "
端口服务检测结果描述
".$port[$i]." ".$msg[$i]." ".$close." ".$closed."
".$port[$i]." ".$msg[$i]." ".$open." ".$opened."
";
echo "继续扫描>>>
";
echo " ";
echo " ";
echo " ";
echo " ";
echo "
端口扫描
";
echo " ";
echo " ";
echo " ";
exit;