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安装步骤如下：
1. 前提条件
已经安装了Apache 2.2.x或以上版本，下载mod_evasitive。
下载地址：
http://www.zdziarski.com/blog/wp-content/uploads/2010/02/mod_evasive_1.10.1.tar.gz
2. 安装
按照下列指令安装mod_evasitive.
tar -xzvf mod_evasive_1.10.1.tar.gz
cd mod_evasitive
vim mod_evasive20.c #define MAILER "/bin/mail -t %s"
#define LOG( A, ... ) { openlog("mod_evasive", LOG_PID, LOG_DAEMON); syslog( A, __VA_ARGS__ ); closelog(); }
#define DEFAULT_HASH_TBL_SIZE 3079ul // Default hash table size
#define DEFAULT_PAGE_COUNT 2 // Default max page hit count/interval
#define DEFAULT_SITE_COUNT 50 // Default max site hit count/interval
#define DEFAULT_PAGE_INTERVAL 1 // Default 1 second page interval
#define DEFAULT_SITE_INTERVAL 1 // Default 1 second site interval
#define DEFAULT_BLOCKING_PERIOD 10 // Default block time (Seconds)
#define DEFAULT_LOG_DIR "/tmp" //根据需要修改
#修改日志路径参数
/usr/local/apache2/bin/apxs -i -a -c ./mod_evasive20.c
安装成功的信息：
chmod 755 /usr/local/apache2//modules/mod_evasive20.so ....
编辑http.conf 文件：
vim /etc/local/apache2/conf/http.conf
#添加mod_evasitive配置参数
LoadModule evasive20_module modules/mod_evasive20.so
#------------mod_evasive module settings-------------------
<IfModule mod_evasive20.c>
DOSHashTableSize 6195
DOSSiteCount 50
DOSPageCount 2
DOSPageInterval 1
DOSSiteInterval 1
DOSBlockingPeriod 10
DOSLogDir "/usr/local/apache2/logs"
#
DOSWhiteList 127.0.0.1
DOSWhiteList 127.0.0.*
</IfModule>
保存后，重新启动Apache。
可以使用Apache自带的工具ab，也可以使用mod_evasitive提供的测试脚本test.pl。
在另外一台机器上，运行脚本test.pl.
[app@machine-2 mod_evasive]$ perl test.pl
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 200 OK
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
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HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
HTTP/1.1 403 Forbidden
linux下安装mod_evasitive模块（防止单一客户的DOS攻击）,布布扣,bubuko.com
linux下安装mod_evasitive模块（防止单一客户的DOS攻击）
标签：style blog class code tar color
原文地址：http://blog.csdn.net/john_f_lau/article/details/24935959
