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Apache > HTTP Сервер > Документация > Версия 2.2 > Модули

Apache Module mod_info

Описание:Provides a comprehensive overview of the server configuration
Статус:Extension
Идентификатор модуля:info_module
Исходный файл:mod_info.c

Summary

To configure mod_info, add the following to your httpd.conf file.

<Location /server-info>
SetHandler server-info
</Location>

You may wish to use mod_authz_host inside the <Location> directive to limit access to your server configuration information:

<Location /server-info>
SetHandler server-info
Order deny,allow
Deny from all
Allow from yourcompany.com
</Location>

Once configured, the server information is obtained by accessing http://your.host.example.com/server-info

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Security Issues

Once mod_info is loaded into the server, its handler capability is available in all configuration files, including per-directory files (e.g., .htaccess). This may have security-related ramifications for your site.

In particular, this module can leak sensitive information from the configuration directives of other Apache modules such as system paths, usernames/passwords, database names, etc. Therefore, this module should only be used in a controlled environment and always with caution.

You will probably want to use mod_authz_host to limit access to your server configuration information.

Access control

<Location /server-info>
SetHandler server-info
Order allow,deny
# Allow access from server itself
Allow from 127.0.0.1
# Additionally, allow access from local workstation
Allow from 192.168.1.17
</Location>

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Selecting the information shown

By default, the server information includes a list of all enabled modules, and for each module, a description of the directives understood by that module, the hooks implemented by that module, and the relevant directives from the current configuration.

Other views of the configuration information are available by appending a query to the server-info request. For example, http://your.host.example.com/server-info?config will show all configuration directives.

?<module-name>
Only information relevant to the named module
?config
Just the configuration directives, not sorted by module
?hooks
Only the list of Hooks each module is attached to
?list
Only a simple list of enabled modules
?server
Only the basic server information
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Known Limitations

mod_info provides its information by reading the parsed configuration, rather than reading the original configuration file. There are a few limitations as a result of the way the parsed configuration tree is created:

  • Directives which are executed immediately rather than being stored in the parsed configuration are not listed. These include ServerRoot, LoadModule, and LoadFile.
  • Directives which control the configuration file itself, such as Include, <IfModule> and <IfDefine> are not listed, but the included configuration directives are.
  • Comments are not listed. (This may be considered a feature.)
  • Configuration directives from .htaccess files are not listed (since they do not form part of the permanent server configuration).
  • Container directives such as <Directory> are listed normally, but mod_info cannot figure out the line number for the closing </Directory>.
  • Directives generated by third party modules such as mod_perl might not be listed.
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AddModuleInfo Директива

Описание:Adds additional information to the module information displayed by the server-info handler
Синтаксис:AddModuleInfo module-name string
Контекст:server config, virtual host
Статус:Extension
Модуль:mod_info
Совместимость:Apache 1.3 and above

This allows the content of string to be shown as HTML interpreted, Additional Information for the module module-name. Example:

AddModuleInfo mod_deflate.c 'See <a \
href="../">\
http://www.apache.org/docs/2.2/mod/mod_deflate.html</a>'

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