CYRUS.CONF(5)							File Formats Manual						     CYRUS.CONF(5)

 *

NAME

       cyrus.conf - Cyrus configuration file

DESCRIPTION

       /etc/cyrus.conf	is  the  configuration file for the Cyrus cyrmaster process.  It defines the startup procedures, services and events to be
       spawned by cyrmaster.

       The /etc/cyrus.conf file consists of a series of entries divided into sections of the form

	      section {
		     name arguments
			  ...
			  ...
			  ...
	      }

       where section is the name of the section, name is the name of the entry and arguments is the whitespace-separated list of arguments for the
       entry.

       Blank lines and lines beginning with ``#'' are ignored.

SECTION DESCRIPTIONS

       The  paragraphs	below  detail  the three sections (START, SERVICES, EVENTS) that can be placed in the /etc/cyrus.conf file.  The arguments
       that are available for each entry within the section are described, and each argument's default value is shown.

       Arguments can appear in any order.  Some arguments have no default value, these are listed with ``<no default>''.   For	string	arguments,
       the value MUST be enclosed in double quotes.

   START
       This  section lists the processes to run before any SERVICES are spawned.  This section is typically used to initialize databases and start
       long running daemons.

       cmd=<no default>
	    The command (with options) to spawn as a child process.  This string argument is required.

   SERVICES
       This section is the heart of the /etc/cyrus.conf file.  It lists the processes that should be spawned to handle client connections made	on
       certain Internet/UNIX sockets.

       babysit=0
	    Integer value - if non-zero, will make sure at least one process is pre-forked, and will set the maxforkrate to 10 if it's zero.

       cmd=<no default>
	    The command (with options) to spawn as a child process.  This string argument is required.

       listen=<no default>
	    The UNIX or internet socket to listen on.  This string field is required and takes one of the following forms:

	    path
	    [ host : ] port

	    where  path  is the explicit (absolute) path to a UNIX socket, host is either the hostname or bracket-enclosed IP address of a network
	    interface, and port is either a port number or service name (as listed in /etc/services).

       proto=tcp
	    The protocol used for this service (tcp, tcp4, tcp6, udp, udp4, udp6).  This string argument is optional.

	    tcp4, udp4: These arguments are used to bind the service to IPv4 only.
	    tcp6, udp6: These arguments are used to bind the service to IPv6 only, if the operating system supports this.
	    tcp, udp: These arguments are used to bind to both IPv4 and IPv6 if possible.

       prefork=0
	    The number of instances of this service to always have running and waiting for a connection (for faster initial response time).   This
	    integer  value  is	optional.   Note that if you are listening on multiple network types (i.e. ipv4 and ipv6) then one process will be
	    forked for each address, causing twice as many processes as you might expect.

       maxchild=-1
	    The maximum number of instances of this service to spawn.  A value of -1 means unlimited.  This integer value is optional.

       maxfds=256
	    The maximum number of file descriptors to which to limit this process.  This integer value is optional.

       maxforkrate=0
	    Maximum number of processes to fork per second - the master will insert sleeps to ensure it doesn't fork faster than this on average.

   EVENTS
       This section lists processes that should be run at specific intervals, similar to cron jobs.  This section is  typically  used  to  perform
       scheduled cleanup/maintenance.

       cmd=<no default>
	    The command (with options) to spawn as a child process.  This string argument is required.

       period=0
	    The interval (in minutes) at which to run the command.  This integer value is optional, but SHOULD be a positive integer > 10.

       at=<hhmm>
	    The  time  (24-hour  format) at which to run the command each day.	If set to a valid time (0000-2359), period is automatically set to
	    1440.  This string argument is optional.

EXAMPLE

       # example cyrus.conf

       START {
	 recover cmd="ctl_cyrusdb -r"
       }

       SERVICES {
	 imap	      cmd="imapd" listen="imap" prefork=1
	 imaps	      cmd="imapd -s" listen="imaps" prefork=0
	 lmtpunix     cmd="lmtpd" listen="/var/imap/socket/lmtp"
	 lmtp	      cmd="lmtpd" listen="localhost:lmtp"
       }

       EVENTS {
	 checkpoint   cmd="ctl_cyrusdb -c" period=30
	 delprune     cmd="cyr_expire -E 3" at=0400
	 tlsprune     cmd="tls_prune" at=0400
       }

ACCESS CONTROL

       When TCP Wrappers is used to control access to Cyrus services, the name of the service entry should be used as  the  process  name  in  the
       hosts_access(5)	table.	 For  instance,  in  the example above, "imap", "imaps", "lmtpunix" and "lmtp" would be used as the process names.
       This allows a single daemon such as imapd to be run in different modes or configurations (i.e., SSL and non-SSL	enabled)  yet  still  have
       separate access control rules.

SEE ALSO

       cyrmaster(8),   imapd(8),   pop3d(8),   lmtpd(8),   timsieved(8),   idled(8),  notifyd(8),  ctl_cyrusdb(8),  ctl_deliver(8),  tls_prune(8),
       hosts_access(5)

CMU
								   Project Cyrus						     CYRUS.CONF(5)