Run-Time Configuration Options -- `raddb/config'

radiusd uses the configuration values from the following sources (in order of increasing precedence):

1. Compiled-in defaults
2. `raddb/config' file.
3. Command line arguments

This order of precedence applies only on startup. When re-reading of the configuration is initiated either by SIGHUP signal or by SNMP channel any changes in the config file take precedence over command line arguments, since `raddb/config' is the only way to change configuration of the running program.

This chapter discusses the `raddb/config' file in detail.

The `raddb/config' consists of statements and comments. Statements end with a semicolon. Many statements contain a block of sub-statements which also terminate with a semicolon.

Comments can be written in shell, C, or C++ constructs, i.e. any of the following represent a valid comment:

    # A shell comment
    /* A C-style
     * multi-line comment
     */
    // A C++-style comment

These are the basic statements:

• option: Option block: set the global program options.
• logging: Fine-tune the logging.
• auth: Configure authentication service.
• acct: Configure accounting service.
• proxy: Configure proxy service.
• usedbm: Enable the DBM feature.
• snmp: Configure SNMP service.
• guile: Configure Guile interface.
• message: Configure server reply messages.

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