$youip=$HTTP_SERVER_VARS["REMOTE_ADDR"]; // 获取本机IP地址

$remoteip=$HTTP_POST_VARS['remoteip']; // 获取表单提交的IP地址

?>

php——端口在线检测

if (!empty($remoteip)){

// 如果表单不为空就进入IP地址格式的判断

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 "

\n";

echo "

您扫描的IP：

color=red>".$remoteip."

\n";

echo "

\n";

echo "

\n";

echo "

echo "

\n";

echo "

端口\n";

echo "

服务\n";

echo "

检测结果\n";

echo "

描述\n";

echo "

\n";

// 输出显示的表格

for($i=0;$i

{

$fp = @fsockopen($remoteip, $port[$i], &$errno, &$errstr, 1);

if (!$fp) {

echo "

".$port[$i]."".$msg[$i]."

align=center>".$close."

".$closed."\n";

} else {

echo "

".$port[$i]."".$msg[$i]."

align=center>".$open."

".$opened."";

}

}

// 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 "

\n";

echo "继续扫描>>>

\n";

echo "

echo "

\n";

echo "

echo "

\n";

echo "

Copyright © 2004 Security Angel Team[S4T] All Rights Reserved.\n";

echo "

\n";

echo "

\n";

echo "

\n";

echo "\n";

echo "\n";

exit;

}

// 探测结束

echo "

echo "

\n";

echo "

您的IP：".$youip."\n";

echo "

\n";

echo "

\n";

echo "

\n";

echo "\n";

echo "\n";

echo "

\n";

echo "

";

echo "

\n";

// 如果表单为空则显示提交IP地址的表单

?>

Copyright © 2004 Security Angel Team[S4T] All Rights Reserved.