<?php $youip=$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 ?> <html> <head> <title>php——端口在线检测</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <style TYPE="text/css"> <!-- BODY { FONT-SIZE: 12px; FONT-FAMILY: Verdana;color:#000000; } TD { FONT-SIZE: 12px; FONT-FAMILY: Verdana; color:#000000; line-height: 14px; } .style1 {color: #FFFFFF} --> </style> </head> <body> <center> <?php 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<p><a href=javascript:history.back(1)>点击这里返回</a>"); } // 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='<font color=red>此端口目前处于打开状态!</font>'; $close="关闭"; $open="<font color=red>打开</font>"; $port=array(21,23,25,79,80,110,135,137,138,139,143,443,445,1433,3306,3389); $msg=array( 'Ftp', 'Telnet', 'Smtp', 'Finger', 'Http', 'Pop3', 'Location Service', 'Netbios-NS', 'Netbios-DGM', 'Netbios-SSN', 'IMAP', 'Https', 'Microsoft-DS', 'MSSQL', 'MYSQL', 'Terminal Services' ); // 通过IP格式的检查后用数组定义各端口对应的服务名称及状态 echo "<table border=0 cellpadding=15 cellspacing=0>\n"; echo "<tr>\n"; echo "<td align=center><strong>您扫描的IP:<font color=red>".$remoteip."</font></strong></td>\n"; echo "</tr>\n"; echo "</table>\n"; echo "<table cellpadding=5 cellspacing=1 bgcolor=#636194>\n"; echo "<tr bgcolor=#7371A5 align=center>\n"; echo "<td><span class=style1>端口</span></td>\n"; echo "<td><span class=style1>服务</span></td>\n"; echo "<td><span class=style1>检测结果</span></td>\n"; echo "<td><span class=style1>描述</span></td>\n"; echo "</tr>\n"; // 输出显示的表格 for($i=0;$i<sizeof($port);$i++) { $fp = @fsockopen($remoteip, $port[$i], &$errno, &$errstr, 1); if (!$fp) { echo "<tr bgcolor=#FFFFFF><td align=center>".$port[$i]."</td><td>".$msg[$i]."</td><td align=center>".$close."</td><td>".$closed."</td></tr>\n"; } else { echo "<tr bgcolor=#F4F7F9><td align=center>".$port[$i]."</td><td>".$msg[$i]."</td><td align=center>".$open."</td><td>".$opened."</td></tr>"; } } // 用for语句,分别用fsockopen函数连接远程主机的相关端口,并输出结果 echo "<tr><td colspan=4 align=center>\n"; echo "<a href=portscan.php><font color=#FFFFFF>继续扫描>>></font></a></td>\n"; echo "</tr\n"; echo "</table>\n"; echo "<TABLE cellSpacing=0 cellPadding=10 width=100% border=0>\n"; echo "<TR>\n"; echo "<TD align=center><b>Copyright © 2004 Security Angel Team[S4T] All Rights Reserved.</b></TD>\n"; echo "</TR>\n"; echo "</TABLE>\n"; echo "</center>\n"; echo "</body>\n"; echo "</html>\n"; exit; } // 探测结束 echo "<table border=0 cellpadding=15 cellspacing=0>\n"; echo "<tr>\n"; echo "<td align=center><strong>您的IP:<font color=red>".$youip."</font></strong></td>\n"; echo "</tr>\n"; echo "<form method=POST action=portscan.php>\n"; echo "<tr><td>\n"; echo "<input type=text name=remoteip size=12>\n"; echo "<input type=submit value=扫描 name=scan>\n"; echo "</td></tr>\n"; echo "</form>"; echo "</table>\n"; // 如果表单为空则显示提交IP地址的表单 ?> <TABLE cellSpacing=0 cellPadding=10 width="100%" border=0> <TR> <TD align=center><b>Copyright © 2004 Security Angel Team[S4T] All Rights Reserved.</b></TD> </TR> </TABLE> </center> </body> </html>