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: [yes|no]
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:
xfr_check_port
With this option enabled, the NIS master server have to run on a
port < 1024. The default is "yes" (enabled).
trusted_master
This option expects a different argument than the other above. The argument
is the FQDN of the master host. If this option is set on a slave server,
new maps from this host as master will be accepted. The default is, that
no trusted master is set and new maps will not be accepted.
Example:
trusted_master: ypmaster.example.org
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.
