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    radiusd.conf 29.23 KiB
    ######################################################################
    ######################################################################
    ##   THIS FILE IS MANAGED BY PUPPET. DO NOT MAKE LOCAL EDITS!       ##
    ######################################################################
    ######################################################################
    
    # -*- text -*-
    ##
    ## radiusd.conf	-- FreeRADIUS server configuration file.
    ##
    ##	http://www.freeradius.org/
    ##	$Id$
    ##
    
    ######################################################################
    #
    #	Read "man radiusd" before editing this file.  See the section
    #	titled DEBUGGING.  It outlines a method where you can quickly
    #	obtain the configuration you want, without running into
    #	trouble.
    #
    #	Run the server in debugging mode, and READ the output.
    #
    #		$ radiusd -X
    #
    #	We cannot emphasize this point strongly enough.  The vast
    #	majority of problems can be solved by carefully reading the
    #	debugging output, which includes warnings about common issues,
    #	and suggestions for how they may be fixed.
    #
    #	There may be a lot of output, but look carefully for words like:
    #	"warning", "error", "reject", or "failure".  The messages there
    #	will usually be enough to guide you to a solution.
    #
    #	If you are going to ask a question on the mailing list, then
    #	explain what you are trying to do, and include the output from
    #	debugging mode (radiusd -X).  Failure to do so means that all
    #	of the responses to your question will be people telling you
    #	to "post the output of radiusd -X".
    
    ######################################################################
    #
    #  	The location of other config files and logfiles are declared
    #  	in this file.
    #
    #  	Also general configuration for modules can be done in this
    #  	file, it is exported through the API to modules that ask for
    #  	it.
    #
    #	See "man radiusd.conf" for documentation on the format of this
    #	file.  Note that the individual configuration items are NOT
    #	documented in that "man" page.  They are only documented here,
    #	in the comments.
    #
    #	As of 2.0.0, FreeRADIUS supports a simple processing language
    #	in the "authorize", "authenticate", "accounting", etc. sections.
    #	See "man unlang" for details.
    #
    
    prefix = /usr
    exec_prefix = /usr
    sysconfdir = /etc
    localstatedir = /var
    sbindir = /usr/sbin
    logdir = ${localstatedir}/log/radius
    raddbdir = ${sysconfdir}/raddb
    radacctdir = ${logdir}/radacct
    
    #  name of the running server.  See also the "-n" command-line option.
    name = radiusd
    
    #  Location of config and logfiles.
    confdir = ${raddbdir}
    run_dir = ${localstatedir}/run/${name}
    
    # Should likely be ${localstatedir}/lib/radiusd
    db_dir = ${raddbdir}
    
    # libdir: Where to find the rlm_* modules.
    #
    #   This should be automatically set at configuration time.
    #
    #   If the server builds and installs, but fails at execution time
    #   with an 'undefined symbol' error, then you can use the libdir
    #   directive to work around the problem.
    #
    #   The cause is usually that a library has been installed on your
    #   system in a place where the dynamic linker CANNOT find it.  When
    #   executing as root (or another user), your personal environment MAY
    #   be set up to allow the dynamic linker to find the library.  When
    #   executing as a daemon, FreeRADIUS MAY NOT have the same
    #   personalized configuration.
    #
    #   To work around the problem, find out which library contains that symbol,
    #   and add the directory containing that library to the end of 'libdir',
    #   with a colon separating the directory names.  NO spaces are allowed.
    #
    #   e.g. libdir = /usr/local/lib:/opt/package/lib
    #
    #   You can also try setting the LD_LIBRARY_PATH environment variable
    #   in a script which starts the server.
    #
    #   If that does not work, then you can re-configure and re-build the
    #   server to NOT use shared libraries, via:
    #
    #	./configure --disable-shared
    #	make
    #	make install
    #
    libdir = /usr/lib64/freeradius
    
    #  pidfile: Where to place the PID of the RADIUS server.
    #
    #  The server may be signalled while it's running by using this
    #  file.
    #
    #  This file is written when ONLY running in daemon mode.
    #
    #  e.g.:  kill -HUP `cat /var/run/radiusd/radiusd.pid`
    #
    pidfile = ${run_dir}/${name}.pid
    
    #  chroot: directory where the server does "chroot".
    #
    #  The chroot is done very early in the process of starting the server.
    #  After the chroot has been performed it switches to the "user" listed
    #  below (which MUST be specified).  If "group" is specified, it switchs
    #  to that group, too.  Any other groups listed for the specified "user"
    #  in "/etc/group" are also added as part of this process.
    #
    #  The current working directory (chdir / cd) is left *outside* of the
    #  chroot until all of the modules have been initialized.  This allows
    #  the "raddb" directory to be left outside of the chroot.  Once the
    #  modules have been initialized, it does a "chdir" to ${logdir}.  This
    #  means that it should be impossible to break out of the chroot.
    #
    #  If you are worried about security issues related to this use of chdir,
    #  then simply ensure that the "raddb" directory is inside of the chroot,
    #  end be sure to do "cd raddb" BEFORE starting the server.
    #
    #  If the server is statically linked, then the only files that have
    #  to exist in the chroot are ${run_dir} and ${logdir}.  If you do the
    #  "cd raddb" as discussed above, then the "raddb" directory has to be
    #  inside of the chroot directory, too.
    #
    #chroot = /path/to/chroot/directory
    
    # user/group: The name (or #number) of the user/group to run radiusd as.
    #
    #   If these are commented out, the server will run as the user/group
    #   that started it.  In order to change to a different user/group, you
    #   MUST be root ( or have root privleges ) to start the server.
    #
    #   We STRONGLY recommend that you run the server with as few permissions
    #   as possible.  That is, if you're not using shadow passwords, the
    #   user and group items below should be set to radius'.
    #
    #  NOTE that some kernels refuse to setgid(group) when the value of
    #  (unsigned)group is above 60000; don't use group nobody on these systems!
    #
    #  On systems with shadow passwords, you might have to set 'group = shadow'
    #  for the server to be able to read the shadow password file.  If you can
    #  authenticate users while in debug mode, but not in daemon mode, it may be
    #  that the debugging mode server is running as a user that can read the
    #  shadow info, and the user listed below can not.
    #
    #  The server will also try to use "initgroups" to read /etc/groups.
    #  It will join all groups where "user" is a member.  This can allow
    #  for some finer-grained access controls.
    #
    user = radiusd
    group = radiusd
    
    #  panic_action: Command to execute if the server dies unexpectedly.
    #
    #  FOR PRODUCTION SYSTEMS, ACTIONS SHOULD ALWAYS EXIT.
    #  AN INTERACTIVE ACTION MEANS THE SERVER IS NOT RESPONDING TO REQUESTS.
    #  AN INTERACTICE ACTION MEANS THE SERVER WILL NOT RESTART.
    #
    #  The panic action is a command which will be executed if the server
    #  receives a fatal, non user generated signal, i.e. SIGSEGV, SIGBUS,
    #  SIGABRT or SIGFPE.
    #
    #  This can be used to start an interactive debugging session so
    #  that information regarding the current state of the server can
    #  be acquired.
    #
    #  The following string substitutions are available:
    #  - %e   The currently executing program e.g. /sbin/radiusd
    #  - %p   The PID of the currently executing program e.g. 12345
    #
    #  Standard ${} substitutions are also allowed.
    #
    #  An example panic action for opening an interactive session in GDB would be:
    #
    #panic_action = "gdb %e %p"
    #
    #  Again, don't use that on a production system.
    #
    #  An example panic action for opening an automated session in GDB would be:
    #
    #panic_action = "gdb -silent -x ${raddbdir}/panic.gdb %e %p > ${logdir}/gdb-%e-%p.log 2>&1"
    #
    #  That command can be used on a production system.
    
    
    #  max_request_time: The maximum time (in seconds) to handle a request.
    #
    #  Requests which take more time than this to process may be killed, and
    #  a REJECT message is returned.
    #
    #  WARNING: If you notice that requests take a long time to be handled,
    #  then this MAY INDICATE a bug in the server, in one of the modules
    #  used to handle a request, OR in your local configuration.
    #
    #  This problem is most often seen when using an SQL database.  If it takes
    #  more than a second or two to receive an answer from the SQL database,
    #  then it probably means that you haven't indexed the database.  See your
    #  SQL server documentation for more information.
    #
    #  Useful range of values: 5 to 120
    #
    max_request_time = 30
    
    #  cleanup_delay: The time to wait (in seconds) before cleaning up
    #  a reply which was sent to the NAS.
    #
    #  The RADIUS request is normally cached internally for a short period
    #  of time, after the reply is sent to the NAS.  The reply packet may be
    #  lost in the network, and the NAS will not see it.  The NAS will then
    #  re-send the request, and the server will respond quickly with the
    #  cached reply.
    #
    #  If this value is set too low, then duplicate requests from the NAS
    #  MAY NOT be detected, and will instead be handled as seperate requests.
    #
    #  If this value is set too high, then the server will cache too many
    #  requests, and some new requests may get blocked.  (See 'max_requests'.)
    #
    #  Useful range of values: 2 to 10
    #
    cleanup_delay = 5
    
    #  max_requests: The maximum number of requests which the server keeps
    #  track of.  This should be 256 multiplied by the number of clients.
    #  e.g. With 4 clients, this number should be 1024.
    #
    #  If this number is too low, then when the server becomes busy,
    #  it will not respond to any new requests, until the 'cleanup_delay'
    #  time has passed, and it has removed the old requests.
    #
    #  If this number is set too high, then the server will use a bit more
    #  memory for no real benefit.
    #
    #  If you aren't sure what it should be set to, it's better to set it
    #  too high than too low.  Setting it to 1000 per client is probably
    #  the highest it should be.
    #
    #  Useful range of values: 256 to infinity
    #
    max_requests = 2048
    
    # JJ had his set to this
    #max_requests = 2048576
    
    #  listen: Make the server listen on a particular IP address, and send
    #  replies out from that address. This directive is most useful for
    #  hosts with multiple IP addresses on one interface.
    #
    #  If you want the server to listen on additional addresses, or on
    #  additionnal ports, you can use multiple "listen" sections.
    #
    #  Each section make the server listen for only one type of packet,
    #  therefore authentication and accounting have to be configured in
    #  different sections.
    #
    #  The server ignore all "listen" section if you are using '-i' and '-p'
    #  on the command line.
    #
    #listen {
    	#  Type of packets to listen for.
    	#  Allowed values are:
    	#	auth	listen for authentication packets
    	#	acct	listen for accounting packets
    	#	proxy   IP to use for sending proxied packets
    	#	detail  Read from the detail file.  For examples, see
    	#	       raddb/sites-available/copy-acct-to-home-server
    	#	status  listen for Status-Server packets.  For examples,
    	#		see raddb/sites-available/status
    	#	coa     listen for CoA-Request and Disconnect-Request
    	#		packets.  For examples, see the file
    	#		raddb/sites-available/coa-server
    	#
    #	type = auth
    
    	#  Note: "type = proxy" lets you control the source IP used for
    	#	proxying packets, with some limitations:
    	#
    	#    * A proxy listener CANNOT be used in a virtual server section.
    	#    * You should probably set "port = 0".
    	#    * Any "clients" configuration will be ignored.
    	#
    	#  See also proxy.conf, and the "src_ipaddr" configuration entry
    	#  in the sample "home_server" section.  When you specify the
    	#  source IP address for packets sent to a home server, the
    	#  proxy listeners are automatically created.
    
    	#  IP address on which to listen.
    	#  Allowed values are:
    	#	dotted quad (1.2.3.4)
    	#       hostname    (radius.example.com)
    	#       wildcard    (*)
    #	ipaddr = *
    
    	#  OR, you can use an IPv6 address, but not both
    	#  at the same time.
    #	ipv6addr = ::	# any.  ::1 == localhost
    
    	#  Port on which to listen.
    	#  Allowed values are:
    	#	integer port number (1812)
    	#	0 means "use /etc/services for the proper port"
    #	port = 0
    
    	#  Some systems support binding to an interface, in addition
    	#  to the IP address.  This feature isn't strictly necessary,
    	#  but for sites with many IP addresses on one interface,
    	#  it's useful to say "listen on all addresses for eth0".
    	#
    	#  If your system does not support this feature, you will
    	#  get an error if you try to use it.
    	#
    #	interface = eth0
    
    	#  Per-socket lists of clients.  This is a very useful feature.
    	#
    	#  The name here is a reference to a section elsewhere in
    	#  radiusd.conf, or clients.conf.  Having the name as
    	#  a reference allows multiple sockets to use the same
    	#  set of clients.
    	#
    	#  If this configuration is used, then the global list of clients
    	#  is IGNORED for this "listen" section.  Take care configuring
    	#  this feature, to ensure you don't accidentally disable a
    	#  client you need.
    	#
    	#  See clients.conf for the configuration of "per_socket_clients".
    	#
    #	clients = per_socket_clients
    #}
    
    #  This second "listen" section is for listening on the accounting
    #  port, too.
    #
    #listen {
    #	ipaddr = *
    #	ipv6addr = ::
    #	port = 0
    #	type = acct
    #	interface = eth0
    #	clients = per_socket_clients
    #}
    
    #  hostname_lookups: Log the names of clients or just their IP addresses
    #  e.g., www.freeradius.org (on) or 206.47.27.232 (off).
    #
    #  The default is 'off' because it would be overall better for the net
    #  if people had to knowingly turn this feature on, since enabling it
    #  means that each client request will result in AT LEAST one lookup
    #  request to the nameserver.   Enabling hostname_lookups will also
    #  mean that your server may stop randomly for 30 seconds from time
    #  to time, if the DNS requests take too long.
    #
    #  Turning hostname lookups off also means that the server won't block
    #  for 30 seconds, if it sees an IP address which has no name associated
    #  with it.
    #
    #  allowed values: {no, yes}
    #
    hostname_lookups = no
    
    #  Core dumps are a bad thing.  This should only be set to 'yes'
    #  if you're debugging a problem with the server.
    #
    #  allowed values: {no, yes}
    #
    allow_core_dumps = no
    
    #  Regular expressions
    #
    #  These items are set at configure time.  If they're set to "yes",
    #  then setting them to "no" turns off regular expression support.
    #
    #  If they're set to "no" at configure time, then setting them to "yes"
    #  WILL NOT WORK.  It will give you an error.
    #
    regular_expressions	= yes
    extended_expressions	= yes
    
    #
    #  Logging section.  The various "log_*" configuration items
    #  will eventually be moved here.
    #
    log {
    	#
    	#  Destination for log messages.  This can be one of:
    	#
    	#	files - log to "file", as defined below.
    	#	syslog - to syslog (see also the "syslog_facility", below.
    	#	stdout - standard output
    	#	stderr - standard error.
    	#
    	#  The command-line option "-X" over-rides this option, and forces
    	#  logging to go to stdout.
    	#
    	destination = files
    
    	#
    	#  The logging messages for the server are appended to the
    	#  tail of this file if destination == "files"
    	#
    	#  If the server is running in debugging mode, this file is
    	#  NOT used.
    	#
    	file = ${logdir}/radius.log
    
    	#
    	#  If this configuration parameter is set, then log messages for
    	#  a *request* go to this file, rather than to radius.log.
    	#
    	#  i.e. This is a log file per request, once the server has accepted
    	#  the request as being from a valid client.  Messages that are
    	#  not associated with a request still go to radius.log.
    	#
    	#  Not all log messages in the server core have been updated to use
    	#  this new internal API.  As a result, some messages will still
    	#  go to radius.log.  Please submit patches to fix this behavior.
    	#
    	#  The file name is expanded dynamically.  You should ONLY user
    	#  server-side attributes for the filename (e.g. things you control).
    	#  Using this feature MAY also slow down the server substantially,
    	#  especially if you do thinks like SQL calls as part of the
    	#  expansion of the filename.
    	#
    	#  The name of the log file should use attributes that don't change
    	#  over the lifetime of a request, such as User-Name,
    	#  Virtual-Server or Packet-Src-IP-Address.  Otherwise, the log
    	#  messages will be distributed over multiple files.
    	#
    	#  Logging can be enabled for an individual request by a special
    	#  dynamic expansion macro:  %{debug: 1}, where the debug level
    	#  for this request is set to '1' (or 2, 3, etc.).  e.g.
    	#
    	#	...
    	#	update control {
    	#	       Tmp-String-0 = "%{debug:1}"
    	#	}
    	#	...
    	#
    	#  The attribute that the value is assigned to is unimportant,
    	#  and should be a "throw-away" attribute with no side effects.
    	#
    #	requests = ${logdir}/radiusd-%{%{Virtual-Server}:-DEFAULT}.log
    
    	#
    	#  Which syslog facility to use, if ${destination} == "syslog"
    	#
    	#  The exact values permitted here are OS-dependent.  You probably
    	#  don't want to change this.
    	#
    	syslog_facility = daemon
    
    	#  Log the full User-Name attribute, as it was found in the request.
    	#
    	# allowed values: {no, yes}
    	#
    	stripped_names = no
    
    	#  Log authentication requests to the log file.
    	#
    	#  allowed values: {no, yes}
    	#
    	auth = no
    
    	#  Log passwords with the authentication requests.
    	#  auth_badpass  - logs password if it's rejected
    	#  auth_goodpass - logs password if it's correct
    	#
    	#  allowed values: {no, yes}
    	#
    	auth_badpass = no
    	auth_goodpass = no
    
    	#  Log additional text at the end of the "Login OK" messages.
    	#  for these to work, the "auth" and "auth_goopass" or "auth_badpass"
    	#  configurations above have to be set to "yes".
    	#
    	#  The strings below are dynamically expanded, which means that
    	#  you can put anything you want in them.  However, note that
    	#  this expansion can be slow, and can negatively impact server
    	#  performance.
    	#
    #	msg_goodpass = ""
    #	msg_badpass = ""
    }
    
    #  The program to execute to do concurrency checks.
    checkrad = ${sbindir}/checkrad
    
    # SECURITY CONFIGURATION
    #
    #  There may be multiple methods of attacking on the server.  This
    #  section holds the configuration items which minimize the impact
    #  of those attacks
    #
    security {
    	#
    	#  max_attributes: The maximum number of attributes
    	#  permitted in a RADIUS packet.  Packets which have MORE
    	#  than this number of attributes in them will be dropped.
    	#
    	#  If this number is set too low, then no RADIUS packets
    	#  will be accepted.
    	#
    	#  If this number is set too high, then an attacker may be
    	#  able to send a small number of packets which will cause
    	#  the server to use all available memory on the machine.
    	#
    	#  Setting this number to 0 means "allow any number of attributes"
    	max_attributes = 200
    
    	#
    	#  reject_delay: When sending an Access-Reject, it can be
    	#  delayed for a few seconds.  This may help slow down a DoS
    	#  attack.  It also helps to slow down people trying to brute-force
    	#  crack a users password.
    	#
    	#  Setting this number to 0 means "send rejects immediately"
    	#
    	#  If this number is set higher than 'cleanup_delay', then the
    	#  rejects will be sent at 'cleanup_delay' time, when the request
    	#  is deleted from the internal cache of requests.
    	#
    	#  Useful ranges: 1 to 5
    	reject_delay = 2
    
    	#
    	#  status_server: Whether or not the server will respond
    	#  to Status-Server requests.
    	#
    	#  When sent a Status-Server message, the server responds with
    	#  an Access-Accept or Accounting-Response packet.
    	#
    	#  This is mainly useful for administrators who want to "ping"
    	#  the server, without adding test users, or creating fake
    	#  accounting packets.
    	#
    	#  It's also useful when a NAS marks a RADIUS server "dead".
    	#  The NAS can periodically "ping" the server with a Status-Server
    	#  packet.  If the server responds, it must be alive, and the
    	#  NAS can start using it for real requests.
    	#
    	#  See also raddb/sites-available/status
    	#
    	status_server = yes
    
    	#
    	#  allow_vulnerable_openssl: Allow the server to start with
    	#  versions of OpenSSL known to have critical vulnerabilities.
    	#
    	#  This check is based on the version number reported by libssl
    	#  and may not reflect patches applied to libssl by
    	#  distribution maintainers.
    	#
    	allow_vulnerable_openssl = yes
    }
    
    # PROXY CONFIGURATION
    #
    #  proxy_requests: Turns proxying of RADIUS requests on or off.
    #
    #  The server has proxying turned on by default.  If your system is NOT
    #  set up to proxy requests to another server, then you can turn proxying
    #  off here.  This will save a small amount of resources on the server.
    #
    #  If you have proxying turned off, and your configuration files say
    #  to proxy a request, then an error message will be logged.
    #
    #  To disable proxying, change the "yes" to "no", and comment the
    #  $INCLUDE line.
    #
    #  allowed values: {no, yes}
    #
    proxy_requests  = yes
    $INCLUDE proxy.conf
    # Proxy config now in conf.d and included automatically
    
    
    # CLIENTS CONFIGURATION
    #
    #  Client configuration is defined in "clients.conf".  
    #
    
    #  The 'clients.conf' file contains all of the information from the old
    #  'clients' and 'naslist' configuration files.  We recommend that you
    #  do NOT use 'client's or 'naslist', although they are still
    #  supported.
    #
    #  Anything listed in 'clients.conf' will take precedence over the
    #  information from the old-style configuration files.
    #
    $INCLUDE ${confdir}/clients.d/
    
    
    # CONFIG SNIPPETS
    $INCLUDE ${confdir}/conf.d/
    
    # POLICIES
    #$INCLUDE ${confdir}/policy.d/
    
    # THREAD POOL CONFIGURATION
    #
    #  The thread pool is a long-lived group of threads which
    #  take turns (round-robin) handling any incoming requests.
    #
    #  You probably want to have a few spare threads around,
    #  so that high-load situations can be handled immediately.  If you
    #  don't have any spare threads, then the request handling will
    #  be delayed while a new thread is created, and added to the pool.
    #
    #  You probably don't want too many spare threads around,
    #  otherwise they'll be sitting there taking up resources, and
    #  not doing anything productive.
    #
    #  The numbers given below should be adequate for most situations.
    #
    thread pool {
    	#  Number of servers to start initially --- should be a reasonable
    	#  ballpark figure.
    	start_servers = 50
    
    	#  Limit on the total number of servers running.
    	#
    	#  If this limit is ever reached, clients will be LOCKED OUT, so it
    	#  should NOT BE SET TOO LOW.  It is intended mainly as a brake to
    	#  keep a runaway server from taking the system with it as it spirals
    	#  down...
    	#
    	#  You may find that the server is regularly reaching the
    	#  'max_servers' number of threads, and that increasing
    	#  'max_servers' doesn't seem to make much difference.
    	#
    	#  If this is the case, then the problem is MOST LIKELY that
    	#  your back-end databases are taking too long to respond, and
    	#  are preventing the server from responding in a timely manner.
    	#
    	#  The solution is NOT do keep increasing the 'max_servers'
    	#  value, but instead to fix the underlying cause of the
    	#  problem: slow database, or 'hostname_lookups=yes'.
    	#
    	#  For more information, see 'max_request_time', above.
    	#
    	max_servers = 650
    
    	#  Server-pool size regulation.  Rather than making you guess
    	#  how many servers you need, FreeRADIUS dynamically adapts to
    	#  the load it sees, that is, it tries to maintain enough
    	#  servers to handle the current load, plus a few spare
    	#  servers to handle transient load spikes.
    	#
    	#  It does this by periodically checking how many servers are
    	#  waiting for a request.  If there are fewer than
    	#  min_spare_servers, it creates a new spare.  If there are
    	#  more than max_spare_servers, some of the spares die off.
    	#  The default values are probably OK for most sites.
    	#
    	min_spare_servers = 20
    	max_spare_servers = 40
    
    	#  When the server receives a packet, it places it onto an
    	#  internal queue, where the worker threads (configured above)
    	#  pick it up for processing.  The maximum size of that queue
    	#  is given here.
    	#
    	#  When the queue is full, any new packets will be silently
    	#  discarded.
    	#
    	#  The most common cause of the queue being full is that the
    	#  server is dependent on a slow database, and it has received
    	#  a large "spike" of traffic.  When that happens, there is
    	#  very little you can do other than make sure the server
    	#  receives less traffic, or make sure that the database can
    	#  handle the load.
    	#
    #	max_queue_size = 65536
    
    	#  There may be memory leaks or resource allocation problems with
    	#  the server.  If so, set this value to 300 or so, so that the
    	#  resources will be cleaned up periodically.
    	#
    	#  This should only be necessary if there are serious bugs in the
    	#  server which have not yet been fixed.
    	#
    	#  '0' is a special value meaning 'infinity', or 'the servers never
    	#  exit'
    	max_requests_per_server = 0
    }
    
    # MODULE CONFIGURATION
    #
    #  The names and configuration of each module is located in this section.
    #
    #  After the modules are defined here, they may be referred to by name,
    #  in other sections of this configuration file.
    #
    modules {
    	#
    	#  Each module has a configuration as follows:
    	#
    	#	name [ instance ] {
    	#		config_item = value
    	#		...
    	#	}
    	#
    	#  The 'name' is used to load the 'rlm_name' library
    	#  which implements the functionality of the module.
    	#
    	#  The 'instance' is optional.  To have two different instances
    	#  of a module, it first must be referred to by 'name'.
    	#  The different copies of the module are then created by
    	#  inventing two 'instance' names, e.g. 'instance1' and 'instance2'
    	#
    	#  The instance names can then be used in later configuration
    	#  INSTEAD of the original 'name'.  See the 'radutmp' configuration
    	#  for an example.
    	#
    
    	#
    	#  As of 2.0.5, most of the module configurations are in a
    	#  sub-directory.  Files matching the regex /[a-zA-Z0-9_.]+/
    	#  are loaded.  The modules are initialized ONLY if they are
    	#  referenced in a processing section, such as authorize,
    	#  authenticate, accounting, pre/post-proxy, etc.
    	#
    	$INCLUDE ${confdir}/modules/
    
    	#  Extensible Authentication Protocol
    	#
    	#  For all EAP related authentications.
    	#  Now in another file, because it is very large.
    	#
    	$INCLUDE eap.conf
    
    	#  Include another file that has the SQL-related configuration.
    	#  This is another file only because it tends to be big.
    	#
    #	$INCLUDE sql.conf
    
    	#
    	#  This module is an SQL enabled version of the counter module.
    	#
    	#  Rather than maintaining seperate (GDBM) databases of
    	#  accounting info for each counter, this module uses the data
    	#  stored in the raddacct table by the sql modules. This
    	#  module NEVER does any database INSERTs or UPDATEs.  It is
    	#  totally dependent on the SQL module to process Accounting
    	#  packets.
    	#
    #	$INCLUDE sql/mysql/counter.conf
    
    	#
    	#  IP addresses managed in an SQL table.
    	#
    #	$INCLUDE sqlippool.conf
    }
    
    # Instantiation
    #
    #  This section orders the loading of the modules.  Modules
    #  listed here will get loaded BEFORE the later sections like
    #  authorize, authenticate, etc. get examined.
    #
    #  This section is not strictly needed.  When a section like
    #  authorize refers to a module, it's automatically loaded and
    #  initialized.  However, some modules may not be listed in any
    #  of the following sections, so they can be listed here.
    #
    #  Also, listing modules here ensures that you have control over
    #  the order in which they are initalized.  If one module needs
    #  something defined by another module, you can list them in order
    #  here, and ensure that the configuration will be OK.
    #
    instantiate {
    	#
    	#  Allows the execution of external scripts.
    	#  The entire command line (and output) must fit into 253 bytes.
    	#
    	#  e.g. Framed-Pool = `%{exec:/bin/echo foo}`
    	exec
    
    	#
    	#  The expression module doesn't do authorization,
    	#  authentication, or accounting.  It only does dynamic
    	#  translation, of the form:
    	#
    	#	Session-Timeout = `%{expr:2 + 3}`
    	#
    	#  So the module needs to be instantiated, but CANNOT be
    	#  listed in any other section.  See 'doc/rlm_expr' for
    	#  more information.
    	#
    	expr
    
    	#
    	# We add the counter module here so that it registers
    	# the check-name attribute before any module which sets
    	# it
    #	daily
    	expiration
    	logintime
    
    	# subsections here can be thought of as "virtual" modules.
    	#
    	# e.g. If you have two redundant SQL servers, and you want to
    	# use them in the authorize and accounting sections, you could
    	# place a "redundant" block in each section, containing the
    	# exact same text.  Or, you could uncomment the following
    	# lines, and list "redundant_sql" in the authorize and
    	# accounting sections.
    	#
    	#redundant redundant_sql {
    	#	sql1
    	#	sql2
    	#}
    
    	$INCLUDE instantiate/
    }
    
    ######################################################################
    #
    #	Policies that can be applied in multiple places are listed
    #	globally.  That way, they can be defined once, and referred
    #	to multiple times.
    #
    ######################################################################
    
    $INCLUDE policy.conf
    
    ######################################################################
    #
    #	Load virtual servers.
    #
    #	This next $INCLUDE line loads files in the directory that
    #	match the regular expression: /[a-zA-Z0-9_.]+/
    #
    #	It allows you to define new virtual servers simply by placing
    #	a file into the raddb/sites-enabled/ directory.
    #
    $INCLUDE sites-enabled/
    
    ######################################################################
    #
    #	All of the other configuration sections like "authorize {}",
    #	"authenticate {}", "accounting {}", have been moved to the
    #	the file:
    #
    #		raddb/sites-available/default
    #
    #	This is the "default" virtual server that has the same
    #	configuration as in version 1.0.x and 1.1.x.  The default
    #	installation enables this virtual server.  You should
    #	edit it to create policies for your local site.
    #
    #	For more documentation on virtual servers, see:
    #
    #		raddb/sites-available/README
    #
    ######################################################################