4.1 Run-Time Configuration Options — ‘raddb/config’

At startup radiusd obtains its configuration values from three places. The basic configuration is kept in the executable module itself. These values are overridden by those obtained from ‘raddb/config’ file. Finally, the options obtained from the command line override the first two sets of options.

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:

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