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From: arisawa@vega2.aichi-u.ac.jp (Kenji Arisawa)
Subject: Re: reserved ports (Re: cgi security)
Sender: news@vega2.aichi-u.ac.jp (News Master)
Message-ID: <Es7LKv.2sL@vega2.aichi-u.ac.jp>
Date: Thu, 30 Apr 1998 04:24:31 GMT
References: <NAKANO.98Apr30093506@dolphin61.math.ryukoku.ac.jp>
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Organization: Aichi University Computer Center, Aichi University, Aichi, Japan.
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$BM-_7(B@$B0&CNBg3X$G$9(B


> |Plan9 $B$G$O%O!<%I%G%#%P%$%9$N4IM}$O%O!<%I%&%'%"$K?($l$k$3$H$N=PMh$k(B
> |$B%f!<%6(B(CPU $B%5!<%P$O(B bootes, file$B%5!<%P$O(B adm) $B$K8BDj$5$l$F$$$k$N$G$9!#(B
$B$3$N$X$s$N;WA[$O(BPlan9$B$G$O0l4S$7$F$$$k$h$&$K;W$($^$9!#(B
$B5U$K8@$($P(B Plan9 $B$O%f!<%6$,?($l$k$3$H$NC<Kv(B($B%o!<%/%9%F!<%7%g%s(B)$B$rA4$/(B
$B?.MQ$7$F$$$J$$$7!"5U$K<+M3$K$5$;$F$$$^$9!#$R$m$N$V$5$s$,8@$&MM$K!"(BUNIX$B$O(B
$BK\Mh$3$N$h$&$J;WA[$N>e$KN)$C$F$$$?$N$G$7$g$&$,!"(BUNXI$BF1;V$,%M%C%H%o!<%/$G(B
$B@\B3$5$l!"(BUNIX$B%o!<%/%9%F!<%7%g%s$,C<Kv$NBe$o$j$K$V$i2<$,$k$h$&$K$J$C$?(B
$B$3$m$+$iC>$S$,=P$FMh$?$N$G$7$g$&!#(B

>$B$D$^$j(B bootes $B0J30$N%f!<%6!<$O(B TCP $B$N%]!<%H$r(B announce (socket $B%$%s%?!<(B
>$B%U%'%$%9$G$$$&$H$3$m$N(B bind+listen $B$_$?$$$J$b$N(B?)$B$9$k$3$H$O$G$-$J$$!"(B
>$B$H$$$&$3$H$G$7$g$&$+(B?
>
>http://plan9.bell-labs.com/magic/man2html/3/ip $B$r8+$k$H!"(B
>
>     bind -a #Itcp /net
>
>$B$,$G$-$F!"(B/net/tcp/clone $B$,(B open $B$G$-$k$N$J$i!"$I$s$J%f!<%6$G$b(B TCP $B$N(B
>80 $BHV$r(B announce $B$G$-$A$c$&$h$&$K$bFI$a$k$N$G$9$,!"<B:]$K$O(B bootes $B$N(B
>$B$_$,(B announce $B$N8"8B$r$b$C$F$$$F!"$=$l0J30$N%f!<%6!<$O(B announce $B$G$-$J(B
>$B$$$H$$$&$3$H$J$N$G$7$g$&$+(B?
bootes $B$,(B CPU$B%5!<%P$N%G%#%P%$%9$r@)$7$F$$$k$H8@$&LdBj$H!"$b$N2<$G8=<B$K(B
$B$I$N$h$&$J%5!<%S%9$r9T$C$F$$$k$+$H8@$&LdBj$O6hJL$9$kI,MW$,$"$j$^$9!#(B
$B8=<B$N(B Plan9 $B$O$*$*$i$+$G$9!#(B
$B$^$:CfLn$5$s$N8m2r$rJRIU$1$^$9!#(B
>     bind -a #Itcp /net
>$B$,$G$-$F(B
$B$3$l$K$h$C$F2?$+?7$7$$7k2L$,H/@8$9$kLu$G$O$"$j$^$;$s!#(B
Plan9$B$N(Btcp$B%]!<%H$K$h$k%5!<%S%9$O(Bbootes$B$,%5!<%S%9$7$F$$$k%]!<%H$rB>$N%f!<%6(B
$B%W%m%0%i%`$,>h$C<h$k$3$H$O$G$-$^$;$s!#(B
$B$7$+$7(Bbootes$B$,%5!<%S%9$7$F$$$J$$%]!<%H$O%f!<%6$O<+M3$K;HMQ$G$-$^$9!#(B
$B$3$N9M$($O;~$K$O$^$:$$$+$bCN$l$^$;$s!#(B
$B$=$N>l9g$K$O(B ($B%&%#%s%I%&%^%M!<%8%c$,9T$C$F$$$k$h$&$K(B) $B%f!<%6$K%"%/%;%9@)8B(B
$B$r$+$1$?(Btcp$B$N%5!<%S%9$rDs6!$9$kI,MW$,$"$k$H;W$$$^$9!#(B
$B$7$+$78=:_$=$N$h$&$J%D!<%k$OB8:_$7$J$$$7!"$^$@C/$b$=$NI,MW@-$rG'$a$F$$$J$$(B
$B$N$G$7$g$&$M!#(B($BFq$7$$%D!<%k$G$O$J$$$H;W$$$^$9(B)

>$B$"$H!"F1$8$H$3$m$K(B connect ipaddress!port!r $B$H$$$&%a%C%;!<%8$r(B
>/net/tcp/*/ctl $B$KAw$l$P!"(BUNIX $B$G$$$&$H$3$m$N(B reserved ports (< 1024)$B$r(B
>$B%m!<%+%k%"%I%l%9$H$7$F%3%M%/%7%g%s$rD%$k$h$&$J$3$H$,=q$$$F$"$j$^$9$,!"(B
>$B$3$l$OIaDL$N%f!<%6!<$G$b$G$-$k$N$G$7$g$&$+(B?
$B$3$l$OCN$j$^$;$s$G$7$?!#(B
$B:#F|$O$b$&;~4V$,L5$$$N$G<!2s$K2s$7$^$9!#(B

$BM-_77r<#(B
E-mail: arisawa@aichi-u.ac.jp
