.\"
.\" Original manual page is a part of nfs-server package.
.\" Following is a exerpt from README of version 2.2beta47.
.\" 
.\" 7.  Copyright
.\" 
.\" Much of the code in this package was originally  written  by
.\" Mark Shand, and is placed under the following copyright:
.\" 
.\"    This  software may be used for any purpose provided
.\"    the above  copyright  notice  is  retained.  It  is
.\"    supplied  as  is,  with  no warranties expressed or
.\"    implied.
.\" 
.\" Other code, especially that written by Rick Sladkey and some
.\" replacement routines included from the GNU libc, are covered
.\" by the GNU General Public License, version 2,  or  (at  your
.\" option) any later version.
.\" 
.\" Japanese Version Copyright (c) 1997 ISHIOKA Takashi
.\"         all rights reserved.
.\" Translated Mon Sep  8 14:02:18 1997
.\"         by ISHIOKA Takashi
.\" Mon Feb  9 15:16:20 1998: correction
.\" Modified Wed 11 Nov 1998 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated & Modified Sun Jan 27 17:30:35 JST 2002
.\"         by Yuichi SATO <ysato@h4.dion.ne.jp>
.\" Modified Tue Feb 19 19:06:53 JST 2002 by Yuichi SATO
.\"
.TH EXPORTS 5 "11 August 1997"
.UC 5
.SH ̾
exports \- ݡ (export)  NFS ե륷ƥ
.SH 
.B /etc/exports
.SH 
.I /etc/exports
եϥե륷ƥΥȥꥹȤǡ
ɤΥե륷ƥ NFS 饤Ȥ˥ݡ (export) Ƥ褤
ȤͿ롣
 NFS mount ǡ
.BR mountd (8)
ʤӤ
NFS file server ǡ
.BR nfsd (8)
Ѥ롣
.PP
Υեν񼰤 SunOS 
.I exports
եȤۤƱǤ롣Ǥ륪ץ
ĤɲäƤ롣
줾ιԤˤϡޥȥݥȤȡ
ΥݥȤΥե륷ƥޥȤǤ
ޥͥåȥ롼פΥꥹȤ񤫤Ƥ롣
ޥȥѥ᡼ΥꥹȤ̤ǤäΤ
줾Υޥ̾θ֤ȤǤ롣
Ԥ̵뤵졢# ʹ߹ޤǤϥȤȤߤʤ롣
˥Хåå򤪤СȥϼιԤ˷³Ǥ롣
.PP
.SS ޥ̾Υեޥå
NFS 饤ȤϤˡǻǤ롣
.IP "single host
ϤäȤ̤ΥեޥåȤǤ롣ۥȤλˤϡ
쥾ФǧǤάFQDNIP ɥ쥹ΤɤѤƤ褤
.IP "netgroups
NIS Υͥåȥ롼פ
.I @group
Τ褦Ϳ뤳ȤǤ롣ͥåȥ롼פΤ٤ƤΥСΤ
ۥȤʬФ졢ꥹȤɲä롣
ۥȤʬäꡢñΥå (\-) äΤ̵뤵롣
.IP 磻ɥ
ޥ̾λˤϡ磻ɥʸȤ
\fI*\fP  \fI?\fP Ѥ뤳ȤǤ롣
Ȥ \fIexports\fR ե򥳥ѥȤˤǤ롣
㤨 \fI*.cs.foo.edu\fR ϥɥᥤ \fIcs.foo.edu\fR ˤ
٤ƤΥۥȤ˥ޥå롣
Υ磻ɥʸϥɥᥤ̾Υɥå (.) ˤϥޥåʤ
äƾ嵭Υѥϡɥᥤ
\fIa.b.cs.foo.edu\fR Τ褦ʥۥȤˤϥޥåʤ
.IP "IP networks
ǥ쥯ȥ IP  () ͥåȥ¸ߤ뤹٤ƤΥۥȤ
Ʊ˥ݡȤ뤳ȤǤ롣
ˤ IP ɥ쥹ȥͥåȥޥΥڥ
.I address/netmask
Τ褦˻ꤹФ褤
.TP
.B =public
üʰ̣ġ֥ۥ̾פǡͿ줿ǥ쥯ȥ
 public root ǥ쥯ȥǤ뤳Ȥ򼨤
(WebNFS  public root ϥɥξܺ٤˴ؤƤ
.BR nfsd (8)
 WebNFS Υ򻲾ȤΤ)
ν񼰤Ѥݤˤϡ
.B =public
ιԤǤͣΥۥ̾ȥǤʤФʤʤ
ޤݡȥץꤷƤϤʤʤ
λˤäơ
ǥ쥯ȥ꤬ºݤ˥ݡȤ櫓Ǥ\fBʤ\fPȤդ뤳ȡ
ݡȥץϡȤ̤Υȥǻꤹɬפ롣
.PP
public root ѥ
.I nfsd

.B \-\-public\-root
ץꤷƵư뤳ȤˤäƤǤ롣
public root ʣ̵뤵롣
.PP
.SS Ūʥץ
.IR mountd "  " nfsd
ϰʲΥݡȥץդ롣
.TP
.IR secure "\*d
ΥץꤹȡIPPORT_RESERVED (1024) 꾮
internet ݡȤȯꥯȤĤʤ
ΥץϥǥեȤͭˤʤäƤ롣
̵ˤˤ
.IR insecure
Ȼꤹ롣
.TP
.IR rw
饤Ȥˤեȥǥ쥯ȥѹĤ롣
ǥեȤǤϡ饤Ȥɤ߹ߤΥꥯȤ¤Ƥ롣
(
.I ro
ץƱ)
.TP
.I noaccess
Υץդ饤Ȥϡ
Υǥ쥯ȥʲΤ٤ƤΥեФƥǤʤʤ롣
ǥ쥯ȥ곬ؤ򥯥饤Ȥ˥ݡȤȤ
Υ֥ǥ쥯ȥʤɤǤ롣
noaccess ե饰դǥ쥯ȥΥ饤Ȥθϡ
¤줿ΤȤʤ롣
ǥ쥯ȥ°ȡ`.'  `..' α롣
readdir Ф֤륨ȥ⤳ 2 Ĥˤʤ롣
.TP
.IR link_relative
ХѥΥܥå󥯤ХѥΥ󥯤Ѵ
(ХѥȤϡ󥯤Ƥ "/" ǻϤޤΤǤ)
ѴϼΤ褦˹Ԥ롣
ޤ󥯤֤Ƥǥ쥯ȥΡФΥ롼Ȥ
롣Ƥο '../' Х󥯤ղä롣
ޥȥݥȤΥ롼Ȥΰ֤ۤʤ硢
Ѵˤ̯ (餯㳲θȤʤ)
ޤޤޤǽ롣
.TP
.IR link_absolute
ƤΥܥå󥯤򤽤Τޤޤˤ롣줬ǥեȤǤ롣
.SS 桼 ID Υޥåԥ
.PP
ХޥΥեФ
.I nfsd
ˤ륢ȥϡ
줾 NFS RPC request κݤͿ uid  gid ˴ŤƤ롣
桼̾оˤ뼫ʬΥեˤϡ
줬̤Υե륷ƥˤΤƱͤ
ǽǤ뤳ȤԤƤ롣
ˤϥ饤ȤȥоѤ
uid  gid 줾ƱǤɬפ뤬
Ͼ˿ǤȤϸ¤餺˾ޤȤ¤ʤ
.PP
饤ȥޥ root  NFS ФΥե˥Ȥ
Ф root ȤưƤޤΤϡۤȤɤξ˾ޤʤ
Τ uid 0 ̤̤ id (anonymous 
.I nobody
uid) ˥ޥåԥ󥰤롣
ư  `root squashing' ȸƤФ뤬줬ǥեȤǤ롣
.I no_root_squash 
ȤХդˤǤ롣
.PP
ǥեȤǤϡ
.I nfsd
ϵư password ե
.I nobody
桼򻲾Ȥơ
anonymous  uid  gid 褦Ȥ롣
⤷줬Ĥʤˤϡ
uid  gid Ȥ -2 (Ĥޤ 65534) Ѥ롣
οͤ 
.IR anonuid "  " anongid
ץˤäѹǤ롣
.PP
˲ä
.I nfsd
ˤä nobody ˳Ƥ٤Ŭ uid  gid Ȥꤹ뤳ȤǤ롣
Ǹˡ
.I all_squash
ץꤹС
Ƥ user request  anonymous uid ˳Ƥ뤳ȤǤ롣
.PP 
ޥ󤴤Ȥ uid ۤʤ褦ʾؤƳưפˤ뤿ᡢ
.I nfsd
ǤϥФ uid 򥯥饤Ȥ uid  (뤤Ϥεդ) 
ưŪ˥ޥåԥ󥰤ˡ򤤤Ĥ󶡤Ƥ롣
Ūʥޥåԥ󥰥ե롢NIS ١Υޥåԥ󥰡
.I ugidd
١Υޥåԥ󥰡Ǥ롣
.PP
.I ugidd
١Υޥåԥ󥰤
.I map_daemon
ץꤷ UGID RPC ץȥȤвǽȤʤ롣
Υץȥưˤϥ饤Ȥ
.IR ugidd (8)
mapping ǡưɬפ롣
 3 ĤˡǡƥŪˤϺǰǤ롣
ʤʤ
.I ugidd
ưȡïǤ⥯饤Ȥ䤤碌ơ
ͭʥ桼̾ΥꥹȤǤƤޤǤ롣
.I ugidd
ؤΥΥۥȤΤߤ¤ơȤ뤳ȤǤ롣
ˤϵĤۥȤΥꥹȤ
.I hosts.allow
ޤ
.I hosts.deny
ե˵ҤФ褤ӥ̾
.I ugidd
Ǥ롣ΥեʸˡˤĤƤϡ
.IR hosts_access (5)
򻲾ȤƤۤ
.PP
Ūʥޥåԥ󥰤
.I map_static
ץˤäư뤳ȤǤ롣
Υץϡޥåԥ󥰤򵭽Ҥե̾ˤȤ롣
NIS ١Υޥåԥ󥰤ϡ饤Ȥ NIS Ф䤤碌ơ
СۥȤǤΥ桼̾ӥ롼̾
饤ȤǤΥ桼̾ӥ롼̾ؤΡ
ޥåԥ󥰾ꤹ롣
.PP
ʲ˥ޥåԥ󥰥ץδʥꥹȤ򤢤:
.TP
.IR root_squash
uid/gid  0 ΥꥯȤ annonymous uid/gid ˥ޥåԥ󥰤롣
Υץϡroot ʳ uid ˤŬѤʤ
¾ˤդ٤ uid ¸ߤ (㤨
.I bin 
ʤ) Τǡդɬפ롣
.TP
.IR no_root_squash
root squashing ̵ˤ롣
Υץϼ˥ǥ쥹饤ȤˤȤäǤ롣
.TP
.IR squash_uids " and " squash_gids
Υץϡannonymous ˥ޥåԥ󥰤
uid  gid ΥꥹȤ뤿ΤΤǤ롣
id ΥꥹȤȤƤϰʲΤ褦ʻ꤬ͭǤ:
.IP
.IR squash_uids=0-15,20,25-50
.IP
̾ squash ꥹȤϤäȤäȴñʤΤˤʤ
.TP
.IR all_squash
Ƥ uid gid  anonymous ˥ޥåԥ󥰤롣
 NFS ݡȤ줿 FTP ǥ쥯ȥ䡢
news Υסǥ쥯ȥǤ롣
ȵդΥץ
.IR no_all_squash 
Ǥꡢ餬ǥեȤˤʤäƤ롣
.TP
.IR map_daemon
Υץ ưŪ uid/gid Υޥåԥ󥰤ͭˤ롣
NFS request Τ줾 uid ϥоб uid Ѵ졢
NFS reply  uid Ϥ줾դѴ롣
ΥץѤˤϡ饤ȥۥȤ
.BR rpc.ugidd (8)
ưƤ뤳ȤɬפǤ롣
ǥեȤǤϡƤ uid Ѥʤ
.I map_identity 
ȤʤäƤ롣
̤ squash ץϡ
ưŪʥޥåԥ󥰤ݤ򵤤ˤ뤳ȤʤŬѤǤ롣
.TP
.IR map_static
ΥץꤹŪʥޥåԥ󥰤ǽȤʤ롣
uid/gid ޥåԥ󥰤Ҥ줿ե̾ʲΤ褦˻ꤹ롣
.IP
.IR map_static=/etc/nfs/foobar.map
.IP
եΥեޥåȤϰʲΤ褦ʤΤǤ롣
.IP
.nf
.ta +3i
# Mapping for client foobar:
#    remote     local
uid  0-99       -       # squash these
uid  100-500    1000    # map 100-500 to 1000-1400
gid  0-49       -       # squash these
gid  50-100     700     # map 50-100 to 700-750
.fi
.TP
.IR map_nis
Υץꤹ NIS ١ uid/gid ޥåԥ󥰤ǽȤʤ롣
㤨СФ uid 123 λȡ
ФϤޤ uid бΥ̾Ĵ٤롣
 NFS 饤Ȥ NIS Ф³ơ
Υ̾б uid 롣
.IP
ԤˤϡNFS Ф饤Ȥ NIS ɥᥤ
ΤäƤʤФʤʤ
Υɥᥤ
.I map_nis
ץΰȤưʲΤ褦˻ꤹ롣
.IP
.I map_nis=foo.com
.IP
 NIS ɥᥤ򵭽ҤǤϡ̾ϽʬǤϤʤ
.I nfsd
 NIS Ф˥󥿥ȤǤ褦ˤˤϡ
¾κȤɬפȤʤ
ѤƤǥȥӥ塼 NYS 饤֥ȤäƤϡ
饤ȤΥɥᥤΥФ
.I /etc/yp.conf
˰İʾꤹɬפ
¾ NIS 饤֥ѤƤˤϡ
.I yp.conf
ˤäǤ褦ʡü
.IR ypbind (8)
ꤹɬפ뤫⤷ʤ
.TP
.IR anonuid "  " anongid
Υץ anonymous Ȥ uid  gid Ū˥åȤ롣
ϡƤΥꥯȤͤΥ桼ˤʤ褦
PC/NFS clients ˤȤäƼͭǤ롣
㤨СʲΡפΥǤ
.I /home/joe
Ȥݡȥȥ򸫤Ƥۤ
Ǥϡ(joe ΤΤǤȻפ) ƤΥꥯȤ
uid 150 ˥ޥåԥ󥰤롣
.IP
.SH 
.PP
.nf
.ta +3i
# sample /etc/exports file
/               master(rw) trusty(rw,no_root_squash)
/projects       proj*.local.domain(rw)
/usr            *.local.domain(ro) @trusted(rw)
/home/joe       pc001(rw,all_squash,anonuid=150,anongid=100)
/pub            (ro,insecure,all_squash)
/pub/private    (noaccess)
.fi
.PP
1 ܤϡmaster  trusty Фơ
٤ƤΥե륷ƥΥޥȵĤФƤ롣
񤭹ߤεĤ˲ä trusty ФƤϡ
٤Ƥ uid squashing ̵ˤƤ롣
2 ܤ 3 ܤϡۥ̾ؤΥ磻ɥɤѤȡ
ͥåȥ롼 (@trusted' Υȥ) Ǥ롣
4 ܤϡǽҤ٤ PC/NFS 饤ѥȥǤ롣
5 ܤϡ FTP ǥ쥯ȥƤΥۥȤ˥ݡȤƤ롣
٤ƤΥꥯȤ nobody ȤǼ¹Ԥ롣
ޤΥȥ
.I insecure 
ץˤäơNFS  port Ȥʤ褦˼줿 NFS
饤ȤΥĤƤ롣
ǸιԤǤϡprivate ǥ쥯ȥؤΥ򤹤٤Ƥ
饤ȤФƵݤ褦ˤƤ롣
.SH ٹ
¾ NFS Server μȰ㤤

.B nfsd
Ǥϡ㤨
.IR /usr "  " /usr/X11R6 
Τ褦ˡǥ쥯ȥȤΥ֥ǥ쥯ȥȤξ
ƱۥȤ˥ݡȤ뤳ȤǤ롣
ξ硢ٹ礬äȤ⤤ȥΥޥȥץŬѤ롣
㤨Х饤ȥۥȾΥ桼
.IR /usr/X11R6 
Υե˥ϡ
.I /usr/X11R6 
ΥȥǤ줿 ޥȥץŬѤ롣
Υ롼ϡȥΥۥȻ꤬
磻ɥɤͥåȥ롼פΤȤˤŬѤ롣
.SH ե
/etc/exports
.SH ֤
.BR nfsd (8)

.BR mountd (8)
ưƤС
եβΥ顼Ͼ
.BR syslogd (8)
Ѥ𤵤롣
DAEMON  NOTICE ٥Ȥʤ롣
ΤȤ̤ΤΥۥƤ𤵤롣
ưˤ
.BR named (8)
ƤΥۥȤΤʤ⤢ꤦ롣
äƥۥȤĤ뤿Ӥˡ
.BR syslogd (8)
ˡƱѥ᡼𤵤롣
.SH Ϣ 
mountd(8), nfsd(8)