server config, <VirtualHost>, <Anonymous>, <Global>, <Directory>, .ftpaccess
1.1.7 and later
Similar to PathAllowFilter, PathDenyFilter specifies a regular expression which must not match any uploaded pathnames. If the regex does match, a "Forbidden filename" error is returned to the client. This can be especially useful for forbidding .ftpaccess or .htaccess files.
# We don't want .ftpaccess or .htaccess files to be uploaded PathDenyFilter "(\\.ftpaccess|\\.htaccess)$"