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默认情况下，htaccess 会阻止对已知文件存储的重定向，例如 fileadmin 目录：

RewriteRule (?:typo3/|fileadmin/|typo3conf/|typo3temp/|uploads/|favicon\.ico) - [L]

但这也可以防止 TYPO3 错误处理和重定向模块在文件不存在时采取行动。

我们的编辑希望为一些已删除的文件设置重定向，我想知道如果我不从 RewriteRule 中排除 fileadmin 是否有任何负面影响。

为什么这个规则甚至默认存在？

这是完整的 TYPO3 默认重写，以使上下文更易于理解：

<IfModule mod_rewrite.c>

# Enable URL rewriting
RewriteEngine On

# Store the current location in an environment variable CWD to use
# mod_rewrite in .htaccess files without knowing the RewriteBase
RewriteCond $0#%{REQUEST_URI} ([^#]*)#(.*)\1$
RewriteRule ^.*$ - [E=CWD:%2]

# Rules to set ApplicationContext based on hostname
#RewriteCond %{HTTP_HOST} ^dev\.example\.com$
#RewriteRule .? - [E=TYPO3_CONTEXT:Development]
#RewriteCond %{HTTP_HOST} ^staging\.example\.com$
#RewriteRule .? - [E=TYPO3_CONTEXT:Production/Staging]
#RewriteCond %{HTTP_HOST} ^www\.example\.com$
#RewriteRule .? - [E=TYPO3_CONTEXT:Production]

# Rule for versioned static files, configured through:
# - $GLOBALS['TYPO3_CONF_VARS']['BE']['versionNumberInFilename']
# - $GLOBALS['TYPO3_CONF_VARS']['FE']['versionNumberInFilename']
# IMPORTANT: This rule has to be the very first RewriteCond in order to work!
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)\.(\d+)\.(php|js|css|png|jpg|gif|gzip)$ %{ENV:CWD}$1.$3 [L]

# Access block for folders
RewriteRule _(?:recycler|temp)_/ - [F]
RewriteRule fileadmin/templates/.*\.(?:txt|ts)$ - [F]
RewriteRule ^(?:vendor|typo3_src|typo3temp/var) - [F]
RewriteRule (?:typo3conf/ext|typo3/sysext|typo3/ext)/[^/]+/(?:Configuration|Resources/Private|Tests?|Documentation|docs?)/ - [F]

# Block access to all hidden files and directories with the exception of
# the visible content from within the `/.well-known/` hidden directory (RFC 5785).
RewriteCond %{REQUEST_URI} "!(^|/)\.well-known/([^./]+./?)+$" [NC]
RewriteCond %{SCRIPT_FILENAME} -d [OR]
RewriteCond %{SCRIPT_FILENAME} -f
RewriteRule (?:^|/)\. - [F]

# Stop rewrite processing, if we are in the typo3/ directory or any other known directory
# NOTE: Add your additional local storages here
RewriteRule ^(?:typo3/|fileadmin/|typo3conf/|typo3temp/|uploads/|favicon\.ico) - [L]

# If the file/symlink/directory does not exist => Redirect to index.php.
# For httpd.conf, you need to prefix each '%{REQUEST_FILENAME}' with '%{DOCUMENT_ROOT}'.
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule ^.*$ %{ENV:CWD}index.php [QSA,L]

</IfModule>
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1 回答 1

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RewriteRule (?:typo3/|fileadmin/|typo3conf/|typo3temp/|uploads/|favicon\.ico) - [L]

但这也可以防止 TYPO3 错误处理和重定向模块在文件不存在时采取行动。
[...]
为什么这个规则甚至默认存在？

看起来这里这条规则在这里可能不是必需的；你是对的，最后一条规则之前的非文件/非文件夹检查将阻止这些文件夹中存在的任何内容已经被重写。

我想它在这里只是用作一种“性能快捷方式” - 对请求的 URL 进行基本的正则表达式匹配比必须实际查询文件系统更便宜，“这是否存在？”<br> 所以他们显然在这里做出假设，在那些“特殊”文件夹中，不需要重写，它们只是数据存储。

所以，是的，如果您希望 Typo3 也为这些文件夹中的任何内容处理您的 404，那么您应该能够删除/注释掉这条规则。

于 2020-05-19T13:36:15.847 回答