1.3 Security，1.3Security
安全问题涉及到很多方面此处就记录下文件权限问题，这都是基础，当做复习一下。
文件权限
<p>一般来说 <p>目录权限为755 <p>PHP files: 600 (如果你是个偏执狂，就设置400) <p>HTML and image files: 644 (如果你是个偏执狂，就设置444) <p>如果文件服务器需要写入权限则其他人要设置权限7，比如cache目录。 <p>在模板安装的时候templetes需要更高的权限，但是安装之后要恢复到合适的权限。 <p>r: 对文件而言是可读，对目录是可浏览 <p>w: 对文件是可写入， 对目录是可新建，删除，修改，移动 <p>x: 对文件是可执行，对目录是可进入</p>
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