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In-Reply-To: Your message of "Sat, 05 Aug 2000 13:21:04 +0900"
	<398B9630244.D6C1EI@mx.vnet.ne.jp>
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Date: Sat, 05 Aug 2000 14:04:48 +0900
From: Hiroyuki Une <harrier@seiryu.es.hkg.ac.jp>
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Subject: [FreeBSD-users-jp 54002] Re: can't verify hostname
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From: Kanemitsu Eitetsu <ei@vnet.ne.jp>
Date: Sat, 05 Aug 2000 13:21:04 +0900
Message-ID: <398B9630244.D6C1EI@mx.vnet.ne.jp>

$B1-:,!w9-Eg9q:]3X1!Bg3X$G$9!#(B

> popper[40925]: warning: can't verify hostname: gethostbyname(ddd.ccc.bbb.aaa.foo.com) failed
> popper[40925]: refused connect from aaa.bbb.ccc.ddd
> 
> a$B!"(Bb$B!"(Bc$B!"(Bd $B$O?t;z!J(BIP$B%"%I%l%9!K$G$9!#(B
> 
> nslookup $B$7$F$_$?$i!"(BIP$B%"%I%l%9$+$i$O0z$1$^$9$,%[%9%HL>$+$i$O0z$1$^$;$s$G$7$?!#(B

$B$=$N30It%I%a%$%s$N%M!<%`%5!<%S%9$N@50z$-!&5U0z$-%G!<%?%Y!<%9$,(B
$B@5$7$/@_Dj$5$l$F$$$J$$MM$J5$$,$7$^$9!#(B
ddd.ccc.bbb.aaa.foo.com $B$r8!:w$7$F$$$k$N$O0[>o$G$9!#(B
$B!t$^$5$+(B ddd.ccc.bbb.aaa $B$O%[%9%HL>$8$c$J$$$G$9$h$M!)(B

$BB>$K$b5$$E$$$?E@$H$7$F!"(B

> $B4D6-$O(B
> FreeBSD		3.3
> qpopper		3.0.2
> tcp_wrappers	OS$BIUB0$N(B/usr/src/contrib/tcp_wrappers $B0J2<$r%3%s%Q%$%k(B

$B$H$$$&$3$H$O(B /usr/sbin/inetd $B<+BN$,(B TCP wrappers $B9~$_$G(B
$B%3%s%Q%$%k$5$l$F$$$^$9$N$G!"(B

> inetd.conf
> pop3	stream	tcp	nowait.300	root	/usr/local/libexec/tcpd	/usr/local/libexec/popper -s

pop3	stream	tcp	nowait	root	/usr/local/libexec/popper	popper -s

$B$G$h$$$G$9!#$?$@$7!"(B/etc/rc.conf $B$K(B inetd_flag="-lwW" $B$r(B
$B=q$-!"(Binetd $B$r(B w $B$H(B W $B%*%W%7%g%s$r$D$1$F5/F0$9$kI,MW$,$"$j$^$9!#(B
$B!t(Bpopper $B$@$1$J$i(B w $B%*%W%7%g%s$@$1$G(B OK $B$G$9!#G0$N$?$a!#(B
$B!t%*%W%7%g%s$N0UL#$O(B man 8 inetd $B$G3NG'$7$F2<$5$$!#(B
$B!t!t$A$J$_$K(B nowait.300 $B$N(B 300 $B$O$I$&$$$&0UL#$G$9$+!)(B

> hosts.allow
> popper:		aaa.bbb.ccc.

$B$3$l!"@N$N=q$-J}$J$s$G$9$,!"$^$@DLMQ$7$^$7$?$C$1!)(B

---
$B1-:,909T(B: $B9-Eg9q:]3X1!Bg3X(B $B9)3XIt(B $BEE;R9)3X2J(B ($B5l>N(B $B9-EgEE5!Bg3X(B)
une@seiryu.es.hkg.ac.jp or harrier@seiryu.es.hkg.ac.jp
