Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

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.
*filter
:FORWARD ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:RH-Firewall-1-INPUT - [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -i eth0 -j ACCEPT
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -i eth0 -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -p 50 -j ACCEPT
-A RH-Firewall-1-INPUT -p 51 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp -d 224.0.0.251 --dport 5353 -j ACCEPT
-A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m tcp --dport 631 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state -m tcp --dport 1404 --state NEW -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state -m tcp --dport 80 --state NEW -j ACCEPT
-A RH-Firewall-1-INPUT -p tcp -m state -m tcp --dport 10000 --state NEW -j ACCEPT
-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT
*n


Ïà¹ØÎĵµ£º

php config

php config
1.°²×°Apache2.2
2.°²×°php5.2(×¢ÒâÑ¡ÔñËùÓеĿâÎļþ)
3.½«phpMyAdmin½âѹ£¬¿½±´ÖÁApache2.2\htdocs\phpmyadmin(¸Ã·¾¶¿ÉÒÔ×ÔÓɸıä)Ï¡£
4.ÐÞ¸ÄÅäÖÃÎļþ£º
 1)ÐÞ¸Äphp.ini
  ¾ßÌå²Ù×÷£º
  extension_dir = "C:\Program Files\PHP\ext"  (536)
  extension=php ......

php ¸ÅÄî×ܽá

1 ÄÚ´æÒç³ö
µ±³ÌÐòÔËÐеÄʱºò..¶¨ÒåÁ˵Ĵ¢´æ±äÁ¿¾Í»á±»ÄÚ´æ·ÖÅä¿Õ¼ä..¿Õ¼ä´óСÓɱàдÕß¶¨ÒåµÄʱºò¹æ¶¨µÄ...µ«..³ÌÐòÔËÐÐÁË..È´ÐèÒªµÄ¿Õ¼ä±È¶¨ÒåµÄ´ó..ÕâÑù¾ÍÒç³öÁË.
Ò»¸ö±È½Ï¼òµ¥µÄÅжÏÄÚ´æÐ¹Â©µÄ·½·¨£¬¿´Ò»ÏÂÄãµÄ³ÌÐòËùÕ¼ÓõÄprivate bytesÊǶàÉÙ£¬Èç¹ûÒ»Ö±Ôö¼Ó£¬Ò²¾Í˵Ã÷ÓÐÄÚ´æÐ¹Â©¡£
½â¾ö·½·¨
http://blog.zol.com.c ......

PHPÓëACCESSÁ´½ÓµÄÀà

[php]
<?php
--------------------------------------------------------------------
//FileName:class.php
//Summary: AccessÊý¾Ý¿â²Ù×÷Àà
//Author:  forest
//CreateTime: 2006-8-10    
//LastModifed:
//copyright (c)2006
//http://freeweb.nyist.net/~chairy 
//cha ......

linuxÏÂÖ´ÐÐphpÎļþ·¢ÏÖCould not open input file

ÔÚlinuxÏÂͨ¹ýsvn¸üÐÂÁËÒ»¸öphpÎļþ£¬Ä¿µÄÊÇÏëͨ¹ýÖ´ÐÐÕâ¸öÎļþÀ´¶ÁÊý¾Ý²åÈëµ½Êý¾Ý¿â¡£ÔÚÆäÖеļ¸Ì¨Ö´ÐÐûÓÐÎÊÌ⣬ÆäÖÐһ̨¾Í·¢ÏÖÁËCould not open input fileÕâ¸ö´íÎ󣬺óÀ´²éÕÒ×ÊÁϲŷ¢ÏÖÔ­À´ÊÇÎļþ¸ñʽµÄÎÊÌ⣬³ö´íʱÎļþ¸ñʽÊÇdos£¬¿ÉÒÔÔÚviÖÐÓÃ:set ffÀ´²é¿´£¬Èç¹ûÊÇdos¸ñʽ£¬ÄÇôÔòÓÃ:set ff=unixÀ´ÉèÖÃеĸñʽ£¬ÕâÑ ......

PHP Àà µÄʹÓÃ

Óû§¶¨ÒåµÄÀ࣬ҲÊÇѧºÃ PHP Ëù±Ø±¸µÄÌõ¼þÖ®Ò»¡£¶ø PHP µÄÀ࣬ºÍÆäËüµÄÃæÏò¶ÔÏóÓïÑÔ±È½ÏÆðÀ´£¬»¹ËãÂùµ¥´¿µÄ¡£PHP Ö»ÓÐÀà±ð (class)¡¢·½·¨ (method)¡¢ÊôÐÔ¡¢ÒÔ¼°µ¥Ò»¼Ì³Ð (extensions) µÈ¡£¶Ô²»Ï°¹ßʹÓà C++¡¢Java¡¢Delphi µÈÃæÏò¶ÔÏóÓïÑÔÀ´¿ª·¢³ÌÐòµÄÓû§£¬²»·ÁÏÈÔĶÁÒ»ÏÂÓйØÃæÏò¶ÔÏó¸ÅÄîµÄÊ飬ÏàÐÅ¿ÉÒÔ´øÀ´Ðí¶àµÄÊÕ»ñ¡£
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ