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Date: Sat, 05 Aug 2000 17:50:48 +0900
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In-Reply-To: In your message of "Sat, 05 Aug 2000 13:21:04 +0900"
	<398B9630244.D6C1EI@mx.vnet.ne.jp>
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Subject: [FreeBSD-users-jp 54006] Re: can't verify hostname
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>>>>> In <398B9630244.D6C1EI@mx.vnet.ne.jp> 
>>>>>	Kanemitsu Eitetsu <ei@vnet.ne.jp> wrote:
> $BFCDj$N30It%I%a%$%s$+$i$N(B POP $B@\B3$r5v2D$7$h$&$H;W$C$F$$$k$N$G$9$,!"(B
> $B2<5-$N%(%i!<$,=P$F!"@\B3$5$l$^$;$s!#(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

/usr/src/contrib/tcp_wrappers $B$K=q$$$F$"$k(B -DPARANOID $B$N@bL@$,(B
$B$3$NLdBj$K3:Ev$9$k$N$G$O$J$$$G$7$g$&$+(B?

  When compiled with -DPARANOID, the wrappers will always attempt to look
  up and double check the client host name, and will always refuse
  service in case of a host name/address discrepancy.  This is a
  reasonable policy for most systems.

> nslookup $B$7$F$_$?$i!"(BIP$B%"%I%l%9$+$i$O0z$1$^$9$,%[%9%HL>$+$i$O0z$1$^$;$s$G$7$?!#(B

$B$3$N(BDNS$B@50z$-<:GT$NLdBj$r2r7h$9$k$3$H$G!"@\B35qH]$b2r7h$9$k$H;W$$$^$9!#(B

> inetd.conf $B$N(B popper $B$K!"(B-R $B%*%W%7%g%s$rIU$1$F$b7k2L$OF1$8$G$7$?!#(B

$BI=<($5$l$F$$$k(B warning $B$O(Btcp_warppers$B$N%=!<%9$K=q$$$F$"$j$^$7$?!#(B
popper$B$N5!G=$H$O4X78L5$5$=$&$G$9!#(B

>>>>> In <20000805140448W.harrier@seiryu.es.hkg.ac.jp> 
>>>>>	Hiroyuki Une <harrier@seiryu.es.hkg.ac.jp> wrote:
> $B!t!t$A$J$_$K(B nowait.300 $B$N(B 300 $B$O$I$&$$$&0UL#$G$9$+!)(B

man inetd $B$K=q$$$F$"$k=q$-J}$H>/$70c$$$^$9$,!"(Bmax-child$B$N;XDj$r(B
$B0U?^$7$F$$$k$N$G$O$J$$$G$7$g$&$+(B? TurboLinux$B$G$O$3$N=q$-J}$G$7$?!#(B

-- 
Yasuhiro Magara
