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Message-Id: <199901121217.AA00295@tasato.lab.keihin.nkk.co.jp>
From: SATO Takeshi <tasato@lab.keihin.nkk.co.jp>
Date: Tue, 12 Jan 1999 21:17:06 +0900
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Subject: [FreeBSD-users-jp 37354] bpfilter =?ISO-2022-JP?B?GyRCJEgbKEI=?=
 IPFIREWALL =?ISO-2022-JP?B?GyRCISIbKEI=?= IPDIVERT
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$B:4F#$H8@$$$^$9!#(B
$B$*@$OC$K$J$j$^$9!#(B

$B%+!<%M%k$N:F9=C[$G!"(Bpseudo-device $B$N(B bpfilter $B$H(B options $B$N(B IPFIREWALL $B$J$i$S$K(B
IPDIVERT $B$rM-8z$K$9$k$H!"%7%9%F%`$,5/F0$7$J$/$J$C$F$7$^$$$^$9!#F1$8$h$&$J8=>]$N(B
$B2r7hJ}K!$r$4B8CN$NJ}$O$$$i$C$7$c$i$J$$$G$7$g$&$+!#(B

$B;HMQ(BPC:$B!!(BCOMPAQ DESKPRO5100
OS:$B!!!!!!(BFreeBSD2.2.7
NIC: $B!!!!(BA.I.Brain E2000T(NE2000$B8_49(B)$B!!!!!!!!"+(B ed1
$B!!!!(B $B!!!!(BElecom    LD-10/100CD(NE2000$B8_49(B)$B!!(B $B"+(B ed2
$B"($3$N(B PC $B$K$OI8=`AuHw$N(B NIC $B$,AH$_9~$^$l$F$$$k$N$G$9$,!"(BFreeBSD$B$G$O;H$($J$$$N$G(B
$B!!(BBIOS$B$GL58z$K$7$F$$$^$9!#(B

$B<B8=$7$?$$$3$H!'(B
Internet $B$K>o;~@\B3$5$l$F$$$k%^%7%s$K(B NIC $B$r$b$&(B1$BKg:9$7$F!"(Bprivate address $B$r(B
$B;H$C$?(B LAN $B$rAH$_$?$$$H;W$C$F$$$^$9!J72GOBg$N$^$D$`$i$5$s$HF1$8$G$9(B
[FreeBSD-users-jp 33695]$B!K!#(B
$B$5$i$K!"$=$N%^%7%s$r(BDHCP$B%5!<%P$K$7$?$$$H;W$C$F$$$^$9!#(B

$B$d$C$F$_$?$3$H!'(B
1)$B%+!<%M%k$N%3%s%U%#%.%e%l!<%7%g%s%U%!%$%k$K(B ed2 $B$N9T$rDI2C(B
$B!!!!(Bdevice ed1 at isa? port 0x300 net irq  3 iomem 0xd8000 vector edintr
$B!!!!(Bdevice ed2 at isa? port 0x320 net irq  5 vector edintr
2)rc.conf$B$rJT=8(B
$B!!!!(Bnetwork_interfaces="lo0 ed1 ed2"
$B!!!!(Bifconfig_ed1="inet XXX.XXX.XXX.XXX netmask 255.255.255.128"
$B!!!!(Bifconfig_ed2="inet 192.168.1.1 netmask 255.255.255.0"

$B"($3$N>uBV$G!"%+!<%M%k$r:F9=C[$7!"%j%V!<%H(B
$B!!!!!!"*LdBj$J$7!J(Bed1, ed2$B$H$b$KG'<1$5$l$F$$$k!K(B

3)$B%+!<%M%k$N%3%s%U%#%.%e%l!<%7%g%s%U%!%$%k$K0J2<$rDI2C(B
$B!!!!(Boptions		IPFIREWALL
$B!!!!(Boptions		IPDIVERT
4)rc.conf$B$rJT=8(B
$B!!!!(Bfirewall_enable="YES"
$B!!!!(Bfirewall_type="/etc/ipfw.conf"
$B!!!!(Bgateway_enable="YES"
$B!!!!(Bnatd_enable="YES"
$B!!!!(Bnatd_interface="ed1"
$B!!!!(Bnatd_flags="-use_sockets -same_ports -unregistered_only"

$B"($3$N>uBV$G!"%+!<%M%k$r:F9=C[$7!"%j%V!<%H(B
$B!!!!!!"*LdBj$J$7!J(BIP packet filtering $B$,=i4|2=$5$l!";XDj$7$?%k!<%k$,(B
$B!!!!!!!!E,MQ$5$l$F$$$k!K(B

5)$B%+!<%M%k$N%3%s%U%#%.%e%l!<%7%g%s%U%!%$%k$K0J2<$rDI2C(B
$B!!!!(Bpseudo-device	bpfilter	8

6)/dev $B$K(B bpf0$B!A(B7 $B$r:n@.(B

$B"($3$N>uBV$G!"%+!<%M%k$r:F9=C[$7!"%j%V!<%H$9$k$H%O!<%I%G%#%9%/$H(B CD-ROM 
$B!!(B(wdc0,wdc1)$B$NG'<1$,=*$o$C$?CJ3,$G!"2hLL$,Mp$l!"%j%V!<%H$7$F$7$^$$$^$9!#(B

$B"(>e5-$H$O5U$K!"(BIPFIREWALL $B$H(B IPDIVERT $B$r:o=|$7!"(Bbpfilter $B$N9T$@$1DI2C$9$k$H(B
$B!!LdBj$J$/%7%9%F%`$,5/F0$7$^$9!#(B

$B"((Bbpfilter $B$N8D?t$r(B4$B$K$7$F$_$F$bF1$8$G$7$?!#(B

$B%+!<%M%k%3%s%U%#%.%e%l!<%7%g%s%U%!%$%k$d(B dmesg $B$N=PNO$r:\$;$?$[$&$,$h$m$7$$$G(B
$B$7$g$&$+!)(B

$B0J>e!"D9J8$G$9$,!"$h$m$7$/$*4j$$$7$^$9!#(B

      ____                                
   __/    |                               
  |       |    $B:4F#(B $B9k(B                    
  =( )-( )=    tasato@lab.keihin.nkk.co.jp
~~~~~~~~~~~~~                             
