mod_authn_dbm

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2023-12-01
说明使用DBM数据库为认证提供支持
状态扩展(E)
模块名authn_dbm_module
源文件mod_authn_dbm.c
兼容性仅在 Apache 2.1 及以后的版本中可用

概述

This module provides authentication front-ends such as mod_auth_digestmod_auth_basic to authenticate users by looking up users in dbm password files. Similar functionality is provided by mod_authn_file.

When using mod_auth_basicmod_auth_digest, this module is invoked via the AuthBasicProviderAuthDigestProvider with the dbm value.

AuthDBMType 指令

说明Sets the type of database file that is used to store passwords
语法AuthDBMType default|SDBM|GDBM|NDBM|DB
默认值AuthDBMType default
作用域directory, .htaccess
覆盖项AuthConfig
状态扩展(E)
模块mod_authn_dbm

Sets the type of database file that is used to store the passwords. The default database type is determined at compile time. The availability of other types of database files also depends on compile-time settings.

It is crucial that whatever program you use to create your password files is configured to use the same type of database.

AuthDBMUserFile 指令

说明Sets the name of a database file containing the list of users and passwords for authentication
语法AuthDBMUserFile file-path
作用域directory, .htaccess
覆盖项AuthConfig
状态扩展(E)
模块mod_authn_dbm

AuthDBMUserFile directive sets the name of a DBM file containing the list of users and passwords for user authentication. File-path is the absolute path to the user file.

The user file is keyed on the username. The value for a user is the encrypted password, optionally followed by a colon and arbitrary data. The colon and the data following it will be ignored by the server.

安全

Make sure that the AuthDBMUserFile is stored outside the document tree of the web-server; do not put it in the directory that it protects. Otherwise, clients will be able to download the AuthDBMUserFile.

Important compatibility note: The implementation of dbmopen in the apache modules reads the string length of the hashed values from the DBM data structures, rather than relying upon the string being NULL-appended. Some applications, such as the Netscape web server, rely upon the string being NULL-appended, so if you are having trouble using DBM files interchangeably between applications this may be a part of the problem.

A perl script called dbmmanage is included with Apache. This program can be used to create and update DBM format password files for use with this module.