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<p><FONT class=normalfont><B><font color=blue>apache中限制同一ip的同时登陆次数</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：作者<br>来自：Linux知识宝库<br>联系方式：无名<br><br>1.构建过程说明<br>
<br>
进行ip链接限制利用了apache的module--->mod_limitipconn<br>
具体网址:http://dominia.org/djao/limitipconn.html<br>
apache的modyle查询网址:http://modules.apache.org<br>
系统说明:redhat ad server2.1 apache1.3.27<br>
<br>
2.构建过程<br>
<br>
构建过程是基于apache启用dso(dynamic shared objects )模式.<br>
也就是你在编译apache的时候加入了--enable-module=so这个参数<br>
构建的时候你无需停止你的apache服务...这个就是dso的方便之处:)<br>
为了便于理解<br>
这里把apache安装的目录叫做/apache-root<br>
apache的源码目录叫做/apache-src<br>
<br>
1)<br>
把下裁到的mod_limitipconn-0.04.tar.gz解压到一个目录<br>
tar -zvxf mod_limitipconn-0.04.tar.gz<br>
这样mod就被解压到它所在地目录了...<br>
<br>
2)<br>
利用apxs把mod_limitconn.c编译成so为后缀的模块,并由程序自动修改apache的conf和cp模块到/apache-root/libexec,并设置正确权限(全自动完成)<br>
<br>
cd mod_limitipconn-0.04<br>
/apache-root/bin/apxs -i -a -c mod_limitconn.c<br>
<br>
<br>
<br>
3)<br>
利用phpinfo();函数查看apache当前的mod情况...(用vi编辑一个只有<? phpinfo(); ?>的php)<br>
<br>
如果没有mod_status那么手动增加<br>
增加方法如下:<br>
为apache增加server-status的支持...<br>
cd /apache-src/src/modules/standard<br>
/apache-root/bin/apxs -i -a -c mod_status.c<br>
注:一般都有mod_status了...:)所以上面步骤可选...<br>
<br>
4)<br>
修改apache的配置文件,配置文件在/apache-root/conf/httpd.conf<br>
<br>
检查里面是否有下面的句子<br>
<br>
LoadModule limitipconn_module libexec/mod_limitipconn.so<br>
#LoadModule status_module libexec/mod_status.so //手动增加mod_模块要加这行<br>
AddModule mod_limitipconn.c<br>
#AddModule mod_status.c //手动增加mod_模块要加这行<br>
<br>
<br>
并且<br>
<br>
ExtendedStatus On<br>
段要为on的设置,默认是off<br>
<br>
还要在httpd.conf的最后加入<br>
##############<br>
#new add conf#<br>
##############<br>
<IfModule mod_limitipconn.c><br>
<Location /><br>
MaxConnPerIP 6<br>
# exempting images from the connection limit is often a good<br>
# idea if your web page has lots of inline images, since these<br>
# pages often generate a flurry of concurrent image requests<br>
NoIPLimit image/* //image文件不受限制...包括gif,jpg等...<br>
</Location><br>
<br>
# <Location /mp3><br>
# MaxConnPerIP 1<br>
# # In this case, all MIME types other than audio/mpeg and video*<br>
# # are exempt from the limit check<br>
# OnlyIPLimit audio/mpeg video<br>
# </Location><br>
#</IfModule><br>
##################<br>
#new add conf end#<br>
##################<br>
<br>
<br>
MaxConnPerIP 6说明限制每个ip为6个链接....<br>
<br>
5)<br>
确认conf是不是正确<br>
<br>
/apache-root/bin/apachectl configtest<br>
restart apache<br>
<br>
/apache-root/bin/apachectl restart<br>
<br>
<br>
6)<br>
自己想个办法测试了...:)<br>
更多信息查看官方网站的介绍..:)<br>
</FONT><br>
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