Name check filter

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Name Check is a filter that disallows any paths that contain defined forbidden characters or that exceed a defined length.

Table 8.57. Description of configuration options for `[filter:name_check]` in `proxy-server.conf-sample`
Configuration option = Default value	Description
use = egg:swift#name_check	Entry point of paste.deploy in the server
forbidden_chars = '"`<>	Characters that are not allowed in a name
maximum_length = 255	Maximum length of a name
forbidden_regexp = /\./\|/\.\./\|/\.$\|/\.\.$	Substrings to forbid, using regular expression syntax