Appending # to the start of specific line in a properties file Post: 302555616

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ypserv.conf

YPSERV.CONF(5)						       NIS Reference Manual						    YPSERV.CONF(5)

NAME

       ypserv.conf - configuration file for ypserv and rpc.ypxfrd

DESCRIPTION

       ypserv.conf is an ASCII file which contains some options for ypserv. It also contains a list of rules for special host and map access for
       ypserv and rpc.ypxfrd. This file will be read by ypserv and rpc.ypxfrd at startup, or when receiving a SIGHUP signal.

       There is one entry per line. If the line is a option line, the format is:

	     option: argument

       The line for an access rule has the format:

	     host:domain:map:security

       All rules are tried one by one. If no match is found, access to a map is allowed.

       Following options exist:

       files: 30
	  This option specifies, how many database files should be cached by ypserv. If 0 is specified, caching is disabled. Decreasing this
	  number is only possible, if ypserv is restarted.

       trusted_master: server
	  If this option is set on a slave server, new maps from the host server will be accepted as master. The default is, that no trusted
	  master is set and new maps will not be accepted.

	  Example:

	     trusted_master: ypmaster.example.org

       slp: [yes|<no>|domain]
	  If this option is enabled and SLP support compiled in, the NIS server registers itself on a SLP server. If the variable is set to
	  domain, an attribute domain with a comma seperated list of supported domainnames is set. Else this attribute will not be set. The
	  default is "no" (disabled).

       xfr_check_port: [<yes>|no]
	  With this option enabled, the NIS master server have to run on a port < 1024. The default is "yes" (enabled).

       The field descriptions for the access rule lines are:

       host
	  IP address. Wildcards are allowed.

	  Examples:

	     131.234. = 131.234.0.0/255.255.0.0
	     131.234.214.0/255.255.254.0

       domain
	  specifies the domain, for which this rule should be applied. An asterix as wildcard is allowed.

       map
	  name of the map, or asterisk for all maps.

       security
	  one of none, port, deny:

	  none
	     always allow access.

	  port
	     allow access if from port < 1024. Otherwise do not allow access.

	  deny
	     deny access to this map.

FILES

       /etc/ypserv.conf

SEE ALSO

       ypserv(8), rpc.ypxfrd(8)

WARNINGS

       The access rules for special maps are no real improvement in security, but they make the life a little bit harder for a potential hacker.

       Solaris clients don't use privileged ports. All security options which depend on privileged ports cause big problems on Solaris clients.

AUTHOR

       Thorsten Kukuk <kukuk@thkukuk.de>

NIS Reference Manual						    08/02/2006							    YPSERV.CONF(5)