.TH TCPD 8
.SH ̾
tcpd \- internet services ΤΥȥ뵡ǽ
.SH 
.PP
\fItcpd\fR ץϡ\fItelnet\fR, \fIfinger\fR, \fIftp\fR,
\fIexec\fR, \fIrsh\fR, \fIrlogin\fR, \fItftp\fR, \fItalk\fR,
\fIcomsat\fR 䡢¾¹ԥեȰа˥ޥåפ줿
ӥФꥯȤƻ뤹뤿ꤹΤǤ롣
.PP
ץ 4.3BSD  sockets  System V.4 
TLI ξ򥵥ݡȤƤ롣TLI θˤץȥ뤬
󥿡ͥåȤΥץȥǤʤ硢ǽ¤ǽ
롣
.PP
λȤߤϼΤ褦ˤʤäƤ: ӥꥯȤϤȡ
\fIinetd\fP ǡϡ׵ᤵ줿ӥưˡ 
\fItcpd\fP ܤؤ롣\fItcpd\fP ϥꥯȤ˵Ͽ
ĤΥå¹Ԥ롣٤Ƥ褷ȤʤС\fItcpd\fP 
ŬڤʥХץưƻѤä
.PP
ץʥʵǽȤ: ѥΥȥ롢
RFC 931 ʤɤΥץȥ˴Ť饤ȤΥ桼̾õ
̤Υۥ̾äƤۥȤɸ桢ơ̤Υͥåȥ
ɥ쥹äƤۥȤɸ桢ʤɤ롣
.SH εϿ
.I tcpd ˤäƴƻоݤȤʤ³ϡ
\fIsyslog\fR(3) ǽ̤𤵤롣ɤεϿ⡢饤
ȥۥȤ̾׵ᤵ줿ӥ̾ޤǤ롣ξϡ
ä˥եʣΥۥȤξ󤬺ߤƤǤ⡢
ޤ餶ưΤˤͭѤǤ롣
.PP
ʤΥɤ˵ϿΤĴ٤뤿ˤϡsyslog 
ե (ξ /etc/syslog.conf) 򻲾Ȥ뤳ȡ
.SH 
ץȤơ
.I tcpd
ϡѥޥå󥰤˴ŤȥΥץʽ
򥵥ݡȤƤ롣ȥΥեȥϡѥ
˹פˡ륳ޥɤ¹Ԥ뤿Υեå󶡤
롣ܺ٤ \fIhosts_access\fR(5) Υޥ˥奢򻲾ȤΤȡ
.SH ۥ̾θ
ĤΥץȥ (\fIrlogin, rsh\fR) ǧڤλȤߤϡۥ
Ȥ̾äƤ롣ϡʥ͡ॵФ
ۥ̾Ѥ褦ˤʤäƤ롣̤μǤϤäտ
٤Τ륢르ꥺȤäƤ롣
.PP
.I tcpd
ϡɥ쥹̾Ԥʤ DNS Ф륯
ȤΥۥ̾ȡ̾ɥ쥹Ԥʤ DNS 
ۥ̾Ȥͤ碌ǧԤ餫̷
ȯФȡ
.I tcpd
ϡϤɤ褽ΥۥȤ̾ƤۥȤȤμ
Ǥ롢Ƚꤹ롣 -DPARANOID ǥѥ뤵Ƥ
ʤ顢
.I tcpd
ϡۥ̾/ɥ쥹԰פ硢³Ǥ뤳Ȥˤ
롣ʤС٤ưȤ줿Τˡۥ̾ 
\fIPARANOID\fR Υ磻ɥɤ˥ޥå뤳ȤǤ롣
.SH ۥȥɥ쥹κ
ץȤơ
.I tcpd
ϡ³ΤӤ source-routing socket option ̵
ˤǤ롣ˤäơ褽Υͥåȥ°륢ɥ쥹
ƤۥȤΡι뤳ȤǤUDP 
ӥˤĤƤϡɸΩʤεǽˤĤƤϡ
ѥͭˤʤäƤʤФʤʤ
.SH RFC 931
RFC 931 ʤɤ˴Ť䤤碌ͭʾ (ϥѥ
ץ)\fItcpd\fR ϥ饤ȥ桼̾򸡾ڤ
Ȼߤ롣ϡ饤ȥۥȤ RFC 931 ߴΥǡ
ưƤˤ롣Υ饤ȥ桼̾
碌ϡǡظι⤤ͥФƤϵǽޤ
ѡʥ륷ƥ(PCs) ³ξϡ٤ʤ뤫
ʤ
.SH 
\fItcpd\fR ˡξܺ٤ϡѥ˥ץ
줿 pathname ˰¸롣
.SH  1
Ǥϡ\fItcpd\fR ϡꥸʥΥͥåȥǡ
ξ˰ư뤳ȤԤƤ롣
.PP
\fIfinger\fR ӥؤΥƻ뤹뤿ˤϡꥸʥ
 finger ǡ̤ξؤȰư finger ǡ󤬤
ˤ tcpd 򥤥󥹥ȡ뤹롣եؤѹɬפ

.nf
.sp
.in +5
# mkdir /other/place
# mv /usr/etc/in.fingerd /other/place
# cp tcpd /usr/etc/in.fingerd
.fi
.PP
Ǥϡͥåȥǡ /usr/etc ˤΤȤ롣
ƥˤäƤϡͥåȥǡ /usr/sbin ޤ
/usr/libexec ֤Ƥꡢ̾Ƭ `in.\' Ȥʸ
Ƥʤäꤹ롣
.SH  2
 \fItcpd\fR ϡͥåȥǡϡΥꥸʥ
֤ƤꤷƤ롣
.PP
\fIfinger\fR ӥؤΥƻ뤹뤿ˤϡ˼
ѹ \fIinetd\fR ե (ξ硢
\fI/etc/inetd.conf\fR ޤ \fI/etc/inet/inetd.conf\fR) Ф
ƹԤʤ:
.nf
.sp
.ti +5
finger  stream  tcp  nowait  nobody  /usr/etc/in.fingerd  in.fingerd
.sp
򼡤Τ褦:
.sp
.ti +5
finger  stream  tcp  nowait  nobody  /some/where/tcpd     in.fingerd
.sp
.fi
.PP
Ǥϡͥåȥǡ /usr/etc ˤΤȤ롣
ƥˤäƤϡͥåȥǡ /usr/sbin ޤ
/usr/libexec ֤Ƥꡢ̾Ƭ `in.\' Ȥʸ
Ƥʤäꡢ뤤 inetd եˤ userid ι
¸ߤʤȤ⤢롣
.PP
褦ѹ\fItcpd\fR ǥС뤽¾Υӥ
ƤɬפˤʤѹͭʤΤȤ뤿ᡢ
\fIinetd\fR(8) ΥץФ `kill -HUP\' Ф롣AIX 
Υ桼 `inetimp\' ޥɤ¹Ԥɬפ뤫⤷ʤ
.SH  3
ǡ̤Ǥʤǥ쥯ȥ("secret" 䤽¾)֤Ƥ
硢\fIinetd\fR եԽơץ̾ιˤ
Хѥ̾褦ˡ:
.nf
.sp
    ntalk  dgram  udp  wait  root  /some/where/tcpd  /usr/local/lib/ntalkd
.sp
.fi
.PP
ѥ̾ΰֺǸ (ntalkd) ȥȡ
εϿ˻Ȥ롣
.SH Х
Ĥ UDP ( RPC) ǡϡλŻäơ̤
ꥯȤäƤ⡢Ф餯δ֡̾ˤ˥ץ
֤򤦤ĤƤ롣Υӥϡinetd ե
ǡ\fIwait\fR ץȤȤϿƤ롣Τ褦ʥǡ
ϡưꥯȤ˵Ͽ뤳Ȥˤʤ롣
.PP
ץϡTCP ͳ RPC ӥˤƤưʤ
Υӥϡinetd եǡ\fIrpc/tcp\fR Ȥ
ϿƤ롣¤ˤäƱƶ̤ͣʥӥϡ
\fIon(1)\fR ޥɤˤäѤ\fIrexd\fR Ǥ롣
礷ǤϤʤΥƥˤơ\fIrexd\fR  
/etc/hosts.equiv Υ磻ɥɤ٤㤤Τ
.PP
RPC broadcast ꥯ (: \fIrwall, rup, rusers\fR) 
ΤۥȤˤäƤ뤳Ȥ롣饤ȤΥͥ
ȥƤ \fIportmap\fR ǡФƥ֥ɥ㥹
ȤƤ롢ȤΤμ֤Ǥ; ɤ \fIportmap\fR ǡ
⡢ꥯȤϥΥǡؤž롣\fIrwall\fR 
ɤΥǡΤ¤ꡢꥯȤϥۥȤƤ
ΤǤ롣
.SH ե
.PP
ۥȥȥơ֥:
.PP
/etc/hosts.allow
.br
/etc/hosts.deny
.SH Ϣ
.na
.nf
hosts_access(5), ۥȥȥեν
syslog.conf(5), syslogd ȥեν
inetd.conf(5), the inetd ȥեν
.SH 
.na
.nf
Wietse Venema (wietse@wzv.win.tue.nl),
Department of Mathematics and Computing Science,
Eindhoven University of Technology
Den Dolech 2, P.O. Box 513, 
5600 MB Eindhoven, The Netherlands
.SH 
FUKUSHIMA Osamu <fuku@amorph.rim.or.jp>

\" @(#) tcpd.8 1.5 96/02/21 16:39:16
.\" -----------------------------------------------------------------------
.\" Translation of tcpd.8
.\" Japanese Version Copyright (c) 1997 FUKUSHIMA Osamu
.\"         all rights reserved.
.\" Translated: Sat Feb 12  10:00:00 1997 GMT
.\"         by FUKUSHIMA Osamu <fuku@amorph.rim.or.jp>
.\" -----------------------------------------------------------------------