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Date: Fri, 13 Jun 1997 23:57:24 +0900
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Subject: [FreeBSD-users-jp 14223] Re: small servers with inetd
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
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>$B$H$7$F!"(B B$B$N;~9o$O(B ntpdate C $B$G9g$o$;!"(BA$B$N;~9o$O(B daytime(port 13)$B$r(B
>$B;H$C$?<+:n%9%/%j%W%H$G;~9o9g$o$;$r$7$F$$$^$7$?!#$H$3$m$,!"(B
>FreeBSD-2.2.1R ($B$^$@(B 2.2.2$B$K$7$F$J$$(B)$BF~$l$F$+$i!"(B /etc/inetd.conf$B$G!"(B
>daytime, time, echo, discard, chargen $BEy$,%G%U%)%k%H$G(B off$B$K$J$C$F$$(B
>$B$F!"=3$i$l$k$N$K5$$,$D$-$^$7$?!#3:EvItJ,$N%3%a%s%H$K$h$k$H!"(B
># "Small servers" -- used to be standard on, but we're more conservative
># about things due to Internet security concerns.  Only turn on what you
># need.
>$B$@$=$&$G$9!#$H$j$"$($:(B A, B $B$N%^%7%s$O(B daytime$B$rM-8z$K$7$F;H$($F$$$^(B
>$B$9$,!"(B daytime,time,echo,..$B$N(B port$B$r;H$&$N$O!"%;%-%e%j%F%#>eLdBj$,$"(B
>$B$k$N$G$7$g$&$+!)(B
>$B;H$&$H$^$:$$$h$&$J$i9M$($J$1$l$P$H;W$C$F$$$k$N$G$9$,(B..

	$B303&$N%^%7%s$+$i!"$d$^$b$j(Brequest$B$r=P$5$l$F$$$B$a$i$l$k$N$r(B
	$B?4G[$7$F$N$3$H$G$9(B(denial of service attack)$B!#(B
	$BFC$K(Budp$B$N(Bchargen$B$"$?$j$G(Bbandwidth$B$r?)$$$D$V$5$l$k$N$,62$$$G$9!#(B

	$BD>@\$N2sEz$G$O$"$j$^$;$s$,!"$[$\F1$8$N$,(B
	ftp://ftp.iij.ad.jp/pub/security/cert/cert_advisories/CA-96.01.UDP_service_denial 
	$B$K$"$j$^$9!#(B

	$B%^%7%s(BB$B$N$H$3$m$G%U%#%k%?$9$l$P!"(BA-B$B4V$G$O;H$C$F$b$$$$$G$9$,!"(B
	$B$"$^$j$*4+$a$7$^$;$s!#(Bntp$B%5!<%P$r$[$$$H$"$2$F$_$k$N$O(B
	$B$I$&$G$7$g$&(B?
#	$B$"!"(BB$B$N$H$3$G(BNAT$B$7$F$k$J$iJ?5$$@$J!#(B

itojun
