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To: FreeBSD-net-jp@jp.freebsd.org
In-Reply-To: Your message of "Sun, 16 Nov 1997 23:34:55 +0900"
	<199711161434.XAA22287@nocs3.noc.titech.ac.jp>
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Date: Mon, 17 Nov 1997 08:15:22 +0900
From: Seiichirou Hiraoka <flathill@shikoku.ne.jp>
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Subject: [FreeBSD-net-jp 341] Re: Packet Filter(Router or Firewall)
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From: IIJIMA Akihiro <aki@noc.titech.ac.jp>
Subject: [FreeBSD-net-jp 340] Re: Packet Folter(Router or Firewall)
Date: Sun, 16 Nov 1997 23:34:55 +0900
Message-ID: <199711161434.XAA22287@nocs3.noc.titech.ac.jp>

$BJ?2,$G$9!#(B

# Folter -> Filter$B$G$9$M!"!"!"BG$A4V0c$($^$7$?!#(B^_^;

aki> FireWall$B%^%7%s$G(B ip_forwarding$B$r(B off (gateway=no) $B$K$9$k$@$1$G(B
aki> $B==J,$@$H;W$&$1$I!#(B

$B$"!"$=$&$G$9$M!"C1=c$KFbIt$H30It$r@Z$jN%$;$PNI$$$N$G$9$M!#(B

aki> $B$?$@(B
aki> > # $B%a!<%k$NG[Aw$OIaDL$K9T$$$?$$$G$9!#(B
aki> $B$H8@$o$l$k$H(B $BIaDL$C$F$I$&$$$&$N(B  $B$H5U$KJ9$-$?$/$J$k!#(B
aki> 
aki> $B$I$&$;(B $B30$+$iCf$N%a!<%k$O(B FW$B$G<u$1$k$s$G$7$g!)(B

$B$O$$!"$=$&$G$9!#(B

aki> $BCf$+$i$N%a!<%k$,(B $BD>@\30$K=P$F9T$C$FM_$7$$(B $B$H$$$&>l9g$O(B
aki> gateway=off $B$G$O(B $B%Q%1%C%H$,Cf7Q$5$l$J$$$N$G(B $B$@$a$@$1$I!"(B
aki> $B$I$N$_$A(B $BCf$,(B private IP$B$J$i(B NAT$BF~$l$J$$$+$.$j(B $B$@$a$@$h$M!#(B
aki> 
aki> $B$@$+$i7k6I(B gateway=off $B$G1?MQ$9$k$N$,(B $B0lHV$o$+$j$d$9$$$74JC1!#(B

$B$H$j$"$($:30$K$"$k$N$O(Brouter$B$H(BFireWall$B$G$9$N$G!"(B
gateway=off$B$G1?MQ$7$h$&$H;W$$$^$9!#(B

IPFW$B$N@_Dj$r$7$J$/$F:Q$_$^$7$?!#(B:-)
$B$I$&$bM-Fq$&$4$6$$$^$7$?!#(B

              $BJ?2,(B  $B@,0lO/(B  $B0&I2Bg3X9)3XItEE5$EE;R9)3X2J(B
            flathill@shikoku.ne.jp / flathill@mcn.shikoku.ne.jp
      $B!y!z!y(BFreeBSD$B=i?4<T%f!<%6$N$?$a$N%[!<%`%Z!<%83+@_Cf!y!z!y(B
                  $B!z!y!z(BFreeBSD $B%A%c%C%H3+@_Cf!z!y!z(B
                   http://mcn.shikoku.ne.jp/~flathill/
