深入apache配置文件httpd.conf的部分参数说明
示例：拒绝访问以‘-ht'开头的文件
Order allow,deny
Deny from all
设置根目录的访问权限
Options FollowSymLinks
AllowOverride None
Order deny,allow
Deny from all
Options选项
All -- 用户可以在该目录中做任何操作
ExecCGI -- 允许用户在目录中执行CGI程序
FollowSymLinks -- 服务器可以使用符号链接指向的文件或者目录
Indexes -- 服务器可生成此目录的文件列表
None -- 不允许访问该目录
Allow选项 --设定允许访问Apache服务器的主机
Allow from all -- 允许所有主机访问
Allow from 201.1.1.1 234.3.4.1 -- 允许来自指定IP的主机访问
Deny选项 -- 设定拒绝访问Apache服务器的主机
Deny from all -- 拒绝所有主机的访问
Deny from 201.1.1.1 234.3.4.1 -- 拒绝来自指定IP的主机访问
#
Order选项 -- 用于指定allow和deny的先后次序
Order deny,allow
Deny from all
Allow from 202.44.23.1
Order allow,deny
Allow from all
Deny from 202.44.23.1
DefaultType text/plain
配置默认的MIME(Mutiproposed Internet Mail Extensions,多功能Internet 邮件扩充服务) 的类型，如果服务器不确定使用什么类型，就使用该默认设置。
如果你网站的内容主要是文字，则最好使用"text/plain"
如果你的网站上的内容主要是二进制文件（图片、视频等），则可以使用"application/octet-stream"
这样可以让你的浏览器在接收到二进制文件时，以正确的方式显示出来，而不是直接显示二进制文本
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