181 lines
4.0 KiB
Groff
181 lines
4.0 KiB
Groff
.\" $NetBSD: yp.8,v 1.19 2001/11/25 23:42:36 wiz Exp $
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.\"
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.\" Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
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.\" All rights reserved.
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.\" Portions Copyright (c) 1994 Jason R. Thorpe. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd February 8, 2001
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.Dt YP 8
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.Os
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.Sh NAME
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.Nm nis ,
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.Nm yp
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.Nd description of the NIS (formerly YP) subsystem
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.Sh SYNOPSIS
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.Nm ypbind
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.Op Fl ypset
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.Nm ypbind
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.Op Fl ypsetme
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.Pp
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.Nm ypset
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.Op Fl h Ar host
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.Op Fl d Ar domain
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.Ar server
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.Pp
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.Nm yppoll
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.Op Fl h Ar host
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.Op Fl d Ar domain
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.Ar mapname
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.Pp
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.Nm ypcat
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.Op Fl kt
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.Op Fl d Ar domainname
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.Ar mapname
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.Nm ypcat
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.Fl x
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.Pp
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.Nm ypmatch
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.Op Fl kt
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.Op Fl d Ar domainname
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.Ar key ... mapname
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.Nm ypmatch
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.Fl x
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.Pp
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.Nm ypwhich
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.Op Fl d Ar domain
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.Oo
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.Op Fl t
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.Fl m Op Ar mname
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.Ar host
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.Oc
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.Nm ypwhich
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.Fl x
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.Pp
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.Nm ypserv
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.Op Fl d
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.Op Fl x
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.Pp
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.Nm yppush
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.Op Fl d Ar domainname
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.Op Fl h Ar hostname
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.Op Fl v
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.Ar mapname
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.Pp
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.Nm ypxfr
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.Op Fl bcf
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.Op Fl d Ar domain
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.Op Fl h Ar host
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.Op Fl s Ar domain
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.Op Fl C Ar tid prog ipadd port
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.Ar mapname
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.Pp
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.Nm ypinit
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.Fl m
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.Op Ar domainname
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.Nm ypinit
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.Fl s
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.Ar master_server
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.Op Ar domainname
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.Pp
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.Nm yptest
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.Pp
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.Nm rpc.yppasswdd
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.Op Fl -noshell
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.Op Fl -nogecos
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.Op Fl -nopw
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.Op Fl m Ar arg1 arg2 ...
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.Sh DESCRIPTION
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The
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.Tn NIS
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subsystem allows network management of passwd and group file
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entries through the functions
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.Xr getpwent 3
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and
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.Xr getgrent 3 .
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.Tn NIS
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also provides hooks for other client programs, such as
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.Xr amd 8
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and
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.Xr bootparamd 8 ,
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that can use
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.Tn NIS
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maps.
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.Pp
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Password maps in standard YP are insecure, because the pw_passwd
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field is accessible by any user. A common solution to this is to
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generate a secure map (using
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.Dq makedbm -s )
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which can only be accessed by a client bound to a privileged port.
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To activate the secure map, see the appropriate comment in
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.Pa /var/yp/Makefile.yp .
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.Pp
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The
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.Tn NIS
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subsystem is conditionally started in
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.Pa /etc/rc .
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See the
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.Pa /etc/rc.conf
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file for configuration variables.
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.Sh SEE ALSO
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.Xr domainname 1 ,
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.Xr ypcat 1 ,
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.Xr ypmatch 1 ,
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.Xr ypwhich 1 ,
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.Xr ypclnt 3 ,
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.Xr group 5 ,
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.Xr hosts_access 5 ,
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.Xr nsswitch.conf 5 ,
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.Xr passwd 5 ,
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.Xr rc.conf 5 ,
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.Xr rc 8 ,
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.Xr ypbind 8 ,
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.Xr ypinit 8 ,
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.Xr yppoll 8 ,
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.Xr yppush 8 ,
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.Xr ypserv 8 ,
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.Xr ypset 8 ,
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.Xr yptest 8 ,
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.Xr ypxfr 8
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.Sh HISTORY
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The
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.Tn NIS
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client subsystem was originally written by Theo de Raadt
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to be compatible with Sun's implementation. The
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.Tn NIS
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server suite was originally written by Mats O Jansson.
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.Sh BUGS
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If
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.Xr ypbind 8
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cannot find a server, the system behaves the same way as Sun's code:
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it hangs.
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.Pp
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The
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.Sq secure map
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feature is not compatible with non-BSD implementations as found
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e.g. in Solaris.
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