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To: FreeBSD-net-jp@jp.freebsd.org
From: hino@ccm.cl.nec.co.jp
In-Reply-To: hitoshi.kamata@fujixerox.co.jp's message of "Tue, 2 Feb 1999 11:50:07
	 +0900"
References: <199902021150.HEI65663.NBBIJIUTULJPB/@fujixerox.co.jp>
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Date: Tue, 02 Feb 1999 12:11:29 +0900
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Subject: [FreeBSD-net-jp 1311] Re: =?ISO-2022-JP?B?GyRCSVRANRsoQg==?= ARP
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$B$A$g$C$H$@$1%3%a%s%H!D(B

>> On Tue, 2 Feb 1999 11:50:07 +0900, Hitoshi Kamata
>> <hitoshi.kamata@fujixerox.co.jp> said:
:> $B#1!K(Bifconfig$B$G(B-arp$B$r;XDj$7$F(BARP$B$r;H$($J$/$9$k(B
:>     (firewall$B30B&$N(BNIC$B$H(Bfirewall$BFbB&$N(BNIC$BN>J}$KBP=h(B)
:> $B#2!K(Bboot$B;~$K(Barp -s $B$G(BMAC$B%"%I%l%9$r8GDj$7$F$7$^$&!#(B
:>     ($B30B&$HFbB&$NN>J}BP=h(B)

$B40A4$K8GDj$K$9$k$N$O!$$^$!0BA4$J$s$G$7$g$&$M!%$G$b;H$$>!<j$O$"$^$jNI$/(B
$B$J$$$G$9$h$M!%(B

>> $B<!$N9=@.$G!"%U%!%$%"!<%&%)!<%k5!!J(BFreebsd$B!K$H(BPC(Windows9x/NT)$B$H$N(B
>> $BDL?.$,$G$-$J$$$J$j:$$C$F$*$j$^$9!#(B

>> $B8=>]!K(B
>> $B!&30B&MQ$N(BNIC$B$+$i(BPrivete$B%"%I%l%9(B192.168.0.2$B$N(Barp$B%j%/%(%9%H$,Mh$k!J$*$=$i$/!K(B
>> $B!&(B/var/log/messages$B$K0J2<%a%C%;!<%8$,>e$,$k(B
>> /kernel: arp: 192.168.0.2 moved
>> from  ($B@5$7$$(BMAC$B%"%I%l%9(B) to$B!JIT@5$N(BMAC$B%"%I%l%9!K(B

kernel$B$,$=$&$$$&$+$i$K$O!$%=!<%9%"%I%l%9$H$7$F(B192.168.0.2$B$r;}$C$?%Q%1%C(B
$B%H$,!$(Bfirewall$BB&(BNIC$B$,@\B3$7$F$$$k(BLAN$B%;%0%a%s%H$KN.$l$?$N$G$O$J$$$G$9$+(B?
$B$@$C$F(B192.168.0.2$B$N(BMAC$B%"%I%l%9$r65$($F!$$H$$$&(BARP$B%j%/%(%9%H$,Mh$?$+$i(B
$B$H$$$C$F!$(Bkernel$BFb$N(B192.168.0.2$B$K4X$9$k(BARP$B%F!<%V%k$O=q$-$+$o$j$^$;$s$h(B
$B$M!%(B

$BK\Mh$N2r7h$O!$$=$NJQ$J%Q%1%C%H$r$H$i$(!$Aw=P85$rD4$Y$k$3$H$G$O$J$$$+$H(B
$B;W$$$^$9!D(B

firewall$B$N30B&$O(BThe Internet$B$J$N$G$7$g$&$+(B? $B$b$7$=$&$J$i!$(B192.168.0.2
$B$K4X$9$k%Q%1%C%H$,$=$3$K=P$5$l$k$@$1$G!$$+$J$jJQ$G$9$h$M!%(B
$B99$K30B&$K(Bfirewall$B$,$"$C$F!$:#2sLdBj$N%;%0%a%s%H$,4K>WCOBS$G$"$k$J$i%m!<(B
$B%+%k%"%I%l%9$G$"$k$3$H<+BN$OLdBj$8$c$J$$$N$+$J(B?

>> $B<ALd!K(B
>> $B30B&$N(BARP$B$KBP$7$F$N%"%/%;%9@)8B$9$kJ}K!$O$"$k$N$G$7$g$&$+!)(B
>> $B$"$k$$$O!"$3$N8=>]$r2sHr$9$kJ}K!$O$"$k$N$G$7$g$&$+!)(B

$B$d$C$?$3$H$J$$$N$G%R%s%H$@$1$G$9$,!$(Bipfw$B$r$*;H$$$N$h$&$G$9$+$i!$(B
$B!V(Bvia ifX$B!W;XDj$H!V(Bsrc$B!W!$!V(Bdst$B!W;XDj$rAH$_9g$o$;$l$P2?$H$+$J$k$N$G$O(B
$B$J$$$G$7$g$&$+(B?
$B!t(B $B%M%C%H%o!<%/@_7W>e!$(Bfirewall$B30B&$K(B192.168.0.*$B$,B8:_$7$J$$$J$i(B
$B=q$-$C$Q$J$7$G$9$_$^$;$s$,!$2?$+;29M$K$J$l$P!%(B
==========================================
$BF|Ln9@;V(B($B$R$N$3$&$8(B)@NEC C&C$B%a%G%#%"8&5f=j(B
		     hino@ccm.CL.nec.co.jp

