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 ×îÐÂÎÄÕ : php

iptables + php ÉÏÍø¼Æ·ÑʵÏÖ

×î½üÓÐÒ»¸öÏã¸ÛµÄ¾ÆµêÌá³öÐèÇó,Òªµ½¾ÆµêÒµÄÚµÄÉÌÎñÖÐÐÄʵÐмƷÑÉÏÍø, ÌṩÁËÈçϼ¼Êõ·½°¸:
1¡¢Éèһ̨CENTOS5µÄ»úÆ÷×öΪ·ÓÉ£¬°ÑÐèÒª¼Æ·ÑµÄ»úÆ÷¶¼ÉèΪÓô˷þÎñÆ÷×öÍø¹Ø¡£
2¡¢·þÎñÆ÷¿ªÆôIPTABLE£¬Í¨¹ýIPTABLE¿ØÖÆÄܲ»ÄÜʹÓû¥ÁªÍø¡£
¼Ç¼ÏÂÒÔϼ¼ÊõÒªµã:
Ò»¡¢ php¿ÉÒÔͨ¹ýshell_execÀ´Ö´ÐÐshellÖ¸Áµ«iptablesµÄÖ¸ÁîÊÇroot²ÅÓÐȨÏÞÖ´Ðеģ¬ËùÔÚÐèÒª½èÖúsudo.
¾ßÌå×ö·¨ÈçÏÂ:
1. Ö´ÐÐvisudo, ×¢Ê͵ô Default requiretty Ò»ÐÐ
2. ÔÚÎļþ×îºó£¬¼ÓÈëapache ALL = NOPASSWD: /sbin/iptables
3. ÓÃphp  shell_exec("/usr/bin/sudo /sbin/iptables -I FORWARD -s  xxx.xxx.xxx.xxx  -j DROP")ʵÏÖ¶ÏÍø
4. ÓÃphp  shell_exec("/usr/bin/sudo /sbin/iptables -I FORWARD -s  xxx.xxx.xxx.xxx  -j ACCEPT")ʵÏÖ¿ªÍ¨
¶þ¡¢CENTOS¿ªÆô·Óɹ¦ÄÜ:
1¡¢nano /etc/sysctl.conf£¬ÕÒµ½ÆäÖÐnet.ipv4.ip_forward£¬ÉèΪ1£¬±£´æºóÍ˳ö¡£
2¡¢sysctl -p /etc/sysctl.confÈÃÐÞ¸ÄÉúЧ¡£
Èý¡¢/etc/sysconfig/iptablesÄÚÈÝ£º
# Firewall configuration written by system-config-securitylevel
# Manual customization of this file is not recommended.
*filt ......

php ¶Ô¹óÎļþ¼Ð¼°ÄÚ²¿Îļþ¼ÐÄÚÈÝ

function file_list($path) {
$handle = opendir($path);
if ($handle) {
while (false !== ($file = readdir($handle))) {
if ($file != "." && $file != "..") {
if (is_dir($path."/".$file)) {
echo "<br /><br /><b>".$path.": ".$file."</b><br />"; //ÏÔʾÎļþ¼Ð·¾¶
file_list($path."/".$file);
} else {
echo $path.": ".$file."<br />"; //ÏÔʾÎļþ·¾¶
}
}
}
}
}
  ......

php ÉÏ´«Îļþ

//×îºÃÏȽ¨Á¢Ò»¸ö upload/publicÕâ¸öÎļþ¼Ð£¬ÒÔÏÂÊÇupload.php
<?php
/**
*********************************************
²ÎÊýÉ趨
*********************************************
**/
//×î´óÉÏ´«Îļþ´óС
$MAX_SIZE = 20000000;
//ÉèÖÃMineÀàÐÍ
$FILE_MIMES = array
('image/jpeg','image/jpg','image/gif','image/png','application/msword');
//ÉèÖÃÔÊÐíÉÏ´«µÄÎļþÀàÐÍ£¬°´ÕÕ¸ñʽÌí¼Ó
$FILE_POSTFIX = array
('.zip','.jpg','.png','.gif','.wma','.rm','.wmv','.doc','.mpeg','.mp3','.avi');
//ÊÇ·ñÔÊÐíɾ³ýÒÔÉÏ´«µÄÎļþ£¬ÔÊÐí:yes; ²»ÔÊÐí:no;
$DELETE_ENABLE = 'yes';
/**
*********************************************
±äÁ¿É趨
*********************************************
**/
$site_name = $_SERVER['HTTP_HOST'];
$site_url = "http://".$site_name.dirname($_SERVER['PHP_SELF']);
$site_this = "http://".$site_name.$_SERVER['PHP_SELF'];
//¿É¼ûÐÔ£¬Îª0ʱֻÓлáÔ±¿É¼û£¬Îª1ʱËùÓÐÈËÔ±¶¼¿É¼û
$visibility = true;
if($visibility)
{
 $upload_dir = "upload/public/";
}else
{
 $upload_dir = "upload/pr ......

ÎҵĵÚÒ»¸öPHP³ÌÐò

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>ÎÞ±êÌâÎĵµ</title>
<mce:style type="text/css"><!--
.STYLE1 {
font-family: "ÐÂËÎÌå";
font-size: 16px;
}
body,td,th {
color: #33CC00;
font-size: 24px;
}
.STYLE2 {
font-size: 36px;
font-family: "ËÎÌå";
}
--></mce:style><style type="text/css" mce_bogus="1">.STYLE1 {
font-family: "ÐÂËÎÌå";
font-size: 16px;
}
body,td,th {
color: #33CC00;
font-size: 24px;
}
.STYLE2 {
font-size: 36px;
font-family: "ËÎÌå";
}</style>
</head>
<?php
if( $_POST[ddd]=="jjj")
{
echo $_POST[textfield];
echo $_POST[textfield2];
echo "<p>µã»÷<a href="Untitled-1.php" mce_href="Untitled-1.php">ÕâÀï</a>ˢб¾Ò³¡£";
//echo "µã»÷Õ ......

php¿ª·¢»·¾³ÉèÖÃ

1£º apache·þÎñÆ÷°²×°.apache_2.0.59-win32-x86-no_ssl.msi¡£
ÐÞ¸Äconf\httpd.confÖеÄÎļþ£¬ÐÞ¸ÄλÖÃΪ£º
DocumentRoot  "c:/webpage"  ÉèÖÃÐéÄâĿ¼ c:/webpage.
DirectoryIndex  index.html  index.html.var   index.php
==ʹapache·þÎñÆ÷ʶ±ðphpµÄÀ©Õ¹Ãû¡£
ÔÚ<Directory "c:/program files/Apache Group/Apache2/cgi-bin">
¡£¡£¡£
</Directory>ÏÂÃæÌí¼Ó
AddType application/x-httpd-php .php .phtml .php3 .php4
AddType application/x-httpd-php-source .phps
==Ö¸¶¨phpÄ£¿é
#LoadModule ssl_module modules/mod_ssl.so
ÔÚÏÂÃæÌí¼ÓÒ»ÐÐ
LoadModule php5_module c:\php5\php5apache2.dllʹËüÖ¸Ïòphp5Ŀ¼ÏµÄphp5apache2.dllÎļþ¡£
2£ºÆäËüÄÚÈݼû¸½¼þ¡£ ......

ÔÚPHPÖбéÀúÊý×éÔªËØ

Ô­ÎÄÁ´½Ó£ºhttp://www.phpdo.net/index.php/20100411/56.html
ÔÚPHPÖÐʹÓÃforeachº¯Êý¿ÉÒÔ±éÀúÊý×é¡£Foreach½öÄÜÓÃÓÚÊý×飬Óï·¨ÈçÏ£º
 Foreach(array as $value) statements
 Foreach(array as $key=>$value) statement
µÚÒ»ÖÖÓï·¨±éÀúÊý×éʱ£¬Ã¿´ÎÑ­»·Ê±£¬µ±Ç°µ¥ÔªµÄÖµ±»¸³¸ø$value£¬Êý×éÄÚ²¿µÄÖ¸ÕëÏòÇ°ÒÆÒ»Î»¡£
ÀýÈ磺
 <?php
 $php = array(0=>”php”,1=>”phpdo”,2=>”www.phpdo.net”);
 foreach($php as $value)
 {
 echo “value:$value;”;
 }
 echo “<BR>”;
//µÚ¶þÖÖÓï·¨±éÀúʱ£¬ÔÚÿ´ÎÑ­»·Ê±£¬¼üÖµ»á±»¸³Öµ¸ø±äÁ¿key.
 foreach($php as $key=>$value)
 {
 echo “key:$key;value:$value”;
 }
 ?>
½á¹û£º
value:php;value:phpdo;value:www.phpdo.net;
key:0;value:phpkey:1;value:phpdokey:2;value:www.phpdo.net
¶ÔÓÚ¶àάÊý×éÈç¿ÉʹÓÃÄØ£¿
û´í¡£ÄúÒ»¶¨Ïëµ½Á˰ɣ¿
ÀýÈ磺
 <?php
 $php = array(“php1″=>array(0=>”php&rdqu ......
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