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[linux-users:77280] Re: how to shut off all ports with ipchains(was Re: Re: $B! 
$BHwA0!sA4$/0c$&J}8~$K8=>EDM[0l(B <matsuda _at_ palnet.or.jp> wrote:

> > $B$G!"%]%j%7!<$,L@<($5$l$F$$$J$$$N$G!"$o$?$7$,%@%$%d%k%"%C%W%f!<%6$G0lHL(B
> > $BE*$@$H;W$o$l$k%]%j%7!<(B
> > 
> >     - $B30It$+$i$N@\B3MW5a$O5qH](B
> >     - $B30It$X$N@\B3MW5a$O4pK\E*$K5v2D(B
> >     - $BI,MW:G>.8B$N$b$N$rL@<(E*$K5v2D!#$=$l0J30$r5qH]!#(B
> > 
> > $B$G9M$($F$$$^$9!#$=$l$H!"=gHV$r>/$7F~$lBX$($F$$$^$9!#(B
[$BN,(B]
> $B$=$b$=$b!"%@%$%d%k%"%C%W%f!<%6!<$,%@%$%d%k%"%C%W%k!<%?$r%O!<%I%&%'(B
> $B%"G5;j$O:#2s$N$h$&$J(B Linux BOX $B$G9=C[$9$k:]$K!">e5-$N$h$&$JJ}?K0J(B
> $B30$K2?$,$"$k$N$G$7$g$&(B?

$B$5$!!#$?$@!"0EL[$NN;2r$H$$$&$d$D$[$I5DO@$r:.Mp$5$;$k$b$N$O$J$$$N$GL@<((B
$B$7$?$^$G$G$9!#$=$l$K!"FCP(B)$B!#(B

> $BC1$KCN$i$J$$$+!"0?$OCN$C$F$$$l$P>e5-$N$h$&$JJ}?K$r9M$($k$N$G$O$J$$(B
> $B$+$H;W$&$N$G$9$,!#(B

$B$=$&$+$b$7$l$J$$$7!"$=$&$8$c$J$$$+$b$7$l$J$$!#$o$?$7$O<+J,$NF,$NCf$N$3(B
$B$H$@$C$F$h$/$o$+$C$F$$$J$$$N$G!"B>?M$NF,$NCf$^$G2>Dj$7$FOC$r$9$k$N$OI](B
$B$$$G$9!#(B

> > > # $B%]!<%H(B 1024$B!A(B65535 $B$N(B syn $B%Q%1%C%H0J30$N(B tcp $B%Q%1%C%H$r(B ACCEPT
> > > /sbin/ipchains -A ppp-in -s 0/0 -d $PPP_LOCAL 1024:65535 -p tcp ! -y -j ACCEPT
> > 
> > $B$3$l$O$^$!!"$=$&$$$&%]%j%7!<$J$i$$$$$s$8$c$J$$$G$7$g$&$+!#(B
> 
> $B$*J9$-$7$?$$$N$G$9$,!"$3$N9T$,$J$$$H30It$H$N>ED$5$s$N@_Dj$Hl(B
$B9g$b$"$k$+$b$7$l$^$;$s(B)$B!"FC8"%]!<%H$r;OE@(Bport$B$K;H$C$F$/$l$A$c$&$N$G!"(B
$BITET9g$,$"$k$+$i$G$9!#ITET9g$,$J$$$N$J$i$$$$$s$8$c$J$$$G$7$g$&$+!#(B

> > $B$3$l$C$F!"(Bidentd $B$,N)$C$F$k$C$F$3$H$J$s$G$9$+(B? $B%@%$%d%k%"%C%W%f!<%6$,(B
> > $BN)$F$k$h$&$J$b$N$G$O$J$$$h$&$K$b;W$$$^$9$,!#(B
> 
> $B$=$&$G$9$+!"$J$i$P$3$3$O(B REJECT $B$5$;$F$*$/$Y$-$J$N$G$7$g$&$+(B?
> $B2a5n%m%0$b?oJ,8+$?$s$G$9$,!"N)$F$k$Y$-$G$O$J$$L@3N$JM}M3$,8+$D$+$i$J(B
> $B$/$F!"!V$^$!$$$$$+!W$HIU$1$F$7$^$C$?$b$N$G$9!#(B

$B$o$?$7$O(BREJECT$B$9$Y$-$@$H;W$$$^$9!#(Bident $B$,Ds6!$9$k>pJs$O(B($BDs6!$5$l$kB&(B
$B$+$i8+$F(B)$B?.Mj$G$-$J$$$?$a!"Nc$($P%a!<%k%5!<%P$O!"@\B385%[%9%H$N(Bident 
$B$r;H$&$Y$-$G$O$J$$!"$H9M$($k$+$i$G$9!#$3$N$"$?$j$O!"7W$JBT$A;~4V$rH/@8$5$;$J$$$?$a$K!"$3$3$O(B DENY $B$h$j(B
REJECT $B$G$7$g$&!#(B


-- $BHwA0(B $BC#Lp(B
   *.doc/*.xls/*.ppt/*.mdb/HTML$B%a!<%k$OFI$^$:$K







$B$3$N>pJs$,$"$J$?$NC5$7$F$$$?$b$N$+$I$&$+A*Br$7$F$/$@$5$$!#(B

yes/$B$^$5$K$3$l$@!*(B
  no/$B0c$&$J$!(B
  part/$B0lIt8+$D$+$C$?(B
  try/$B$3$l$G;n$7$F$_$k(B




$B$"$J$?$,C5$7$F$$$?>pJs$O$I$N$h$&$J$3$H$+!"$4<+M3$K5-F~2<$5$$!#FC$K!V$^$5$K$3$l$@!*!W$H8@$&>l9g$O5-F~$r$*4j$$$7$^$9!#(B

$BNc(B:$B!VJ#?t$N%^%7%s$+$i(BCATV$B7PM3$G(Bipmasquerade$B$rMxMQ$7$F(BWeb$B$r;2>H$7$?$$>l9g$N@_Dj$K$D$$$F!W(B




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