mod-security apache的一个模块_mod security apache csdn-优快云博客

mod-security apache的一个模块，有请求过滤，日志审计等功能，可以防止SQL Injection，跨站脚本攻击.

详细信息请参阅 http://www.modsecurity.org/projects/modsecurity/apache/index.html

首先安装libapache2-mod-security包

 $ sudo apt-get install libapache2-mod-security

将会安装libapache2-mod-security, mod-security-common

启用该模块

 $ sudo cp /usr/share/doc/libapache2-mod-security/examples/httpd2.conf.example-full /etc/apache2/mods-available/mod-security.conf
$ sudo a2enmod mod-security

修改配置文件, 相关内容如下

==== mod-security.conf 文件内容开始====

 # 检测内容长度以避免堆溢出攻击
SecFilterForceByteRange 32 254 =>SecFilterForceByteRange 32 126

# debug设置
SecFilterDebugLevel 9 =>SecFilterDebugLevel 0

# 设置缺省的动作
SecFilterDefaultAction "deny,log,status:499" =>SecFilterDefaultAction "deny,log,status:404"

# 把设置传递给子目录
SecFilterInheritance Off

# Redirect user on filter match
# 当匹配sh的时候,重新定向到一个特殊的警告页面,该页面是自行编写的，写些警告的话让攻击者知难而退，该段先不要生效，等到相关配置配好之后再失效不迟。记住在配好之后要使之生效。
#SecFilter sh redirect:http://localhost/hack/warning.htm

# Prevent OS specific keywords
#过滤一些敏感的东西，我们使用*是为了攻击者使用/etc/./passwd来绕开检测
SecFilter /etc/passwd =>SecFilter /etc/*passwd
SecFilter /bin/*sh

# Very crude filters to prevent SQL injection attacks
# 防止SQL插入(SQL Injection)攻击
SecFilter "delete[[:space:]]+from"
SecFilter "insert[[:space:]]+into"
SecFilter "select.+from"
SecFilter "select[[:space:]]+from"
SecFilter "union[[:space:]]+from"
==== mod-security.conf 文件内容结束====

重启apache2 服务即可.