From owner-FreeBSD-net-jp@jp.freebsd.org  Mon Mar  9 17:54:41 1998
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To: FreeBSD-net-jp@jp.freebsd.org
From: TANIYAMA Hideki <yoko@sunny.co.jp>
In-Reply-To: Your message of "Mon, 09 Mar 1998 17:14:16 +0900"
References: <19980309171416S.matusita@ics.es.osaka-u.ac.jp>
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Date: Mon, 09 Mar 1998 17:54:27 +0900
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Subject: [FreeBSD-net-jp 500] Re: ipfw does getservbyname()...
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$BC+;3$G$9!#(B
>>>> On Mon, 09 Mar 1998 17:14:16 +0900,
>>>> 	Makoto MATSUSHITA ($B$^$D$7$?$^$3$H(B)
>>>>	<matusita@ics.es.osaka-u.ac.jp> wrote:

matusita> ipfw $B$O0z?t$K$$$m$s$J;XDj$r$4$j$4$j$H=q$/$o$1$G$9$,!$(Bport $BHV(B
matusita> $B9f$N;XDj$r9T$J$&:]$K$O(B services $B$K=q$$$F$"$k(B*$BL>A0(B*$B$G;XDj$9$k(B
matusita> $B$3$H$,$G$-$k$h$&$K$J$C$F$$$k5$$,$7$^$9!%(B

$B$^$"!"$I$&(Bipfw$B$N%3!<%I$,$I$&$J$C$F$$$k$+$O$5$F$*$-!"(B

matusita> $B$=$N$3$H<+BN$O$I$&$G$bNI$$$H$$$($P$I$&$G$bNI$$$N$G$9$,!$$b$7(B
matusita> $B2>$K(B NIS $B$rF0$+$7$F$$$k7W;;5!$G$+$D(B /etc/services $B$"$?$j$K(B + 
matusita> $B$J$I$H=q$$$F$$$k$H!$Hs>o$K3Z$7$$>uBV$K$J$C$F$7$^$C$F$k$3$H$K(B
matusita> $B5$$,$D$-$^$7$?!%(B

ipfw(8)$B$K(B"Service names (from /etc/services) may not be used instead
of a numeric port value."$B$H=q$$$F$"$k$K$b$+$+$o$i$:!"=q$$$A$c$C$?$j$9(B
$B$k$H3Z$7$$>uBV$K$J$k$o$1$G$9$M!#(B

matusita> # $B$b$A$m$s!V$J$s$G$=$s$J7W;;5!$G(B NIS $B$9$s$M$s!W$H$$$&$N$O$"(B
matusita> $B$j$^$9$,!$(B# $B$=$l$G$+$?$r$D$1$F$$$$$N$J$i!$(Bipfw $B$O$4$_$HG'Dj(B
matusita> $B$7$F$"$-$i$a$^$9!%(B

$B$D!A$+!"$3$N>l9g!"!V:G9b$N%I%-%e%a%s%H$O%=!<%9$G$"$k!W$,@.$jN)$?$J$+$C(B
$B$?$@$1$G$O!D(B;-)

matusita> network $B$,$^$H$b$K;H$($J$$>uBV$G;H$&%D!<%k$N$/$;$K!$(B
matusita> getservbyname() $B$J$s$FC!$/$H$O$H$F$b$J$^$$$-$@!$$H;W$&;d$O$X(B
matusita> $B$s$J$N$G$7$g$&$+!E!E(B

$B$3$l$G$7$g$&!"!V(Bservice name$B;H$&$J$H8@$C$F$*$-$J$,$i!"(Bgetservbyname()
$BC!$/$J$h$J!W$H$$$&5$$,$7$^$9!#$G$b!"(BNIS$BD%$C$?$j$7$J$1$l$P!"$3$l$O$3$l(B
$B$G;H$($k5!G=$@$J$!!#(B

$B;d$O(Bipfw(8)$B$rGO</@5D>$K?.$8$F(Bport number$B$r=q$-JB$Y$F$^$9$,!"EvA3$N$3$H(B
$B$J$,$i(Bconf$B%U%!%$%k$OLu$o$+$i$s>uBV$K$J$C$F$7$^$C$F$$$k$N$G!"(Bipfw$B$K$A$g$C(B
$B$H<j$rF~$l$F%3%a%s%H9TIU$-$N%U%!%$%k$r?)$o$;$i$l$k$h$&$K$7$F$$$^$9!#(B

$B!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A!A(B  $BC+;3(B $B=(<y(B yoko@sunny.co.jp
  $B$h$3$J$_(B $B$h$3$J$_(B $B$h$3$J$_(B $B$h$3$J$_(B   $B3t<02q<R(B $B%5%K!<%=%U%H(B
