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Date: Fri, 22 May 1998 11:00:02 +0900 (JST)
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: Your message of "Thu, 21 May 1998 19:50:06 JST".
	<199805211051.TAA05523@chisato.nd.net.fujitsu.co.jp>
From: sada@e-mail.ne.jp (SADA Kenji)
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Subject: [FreeBSD-users-jp 28553] Re: IP address batting
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$BL>8E20$N:4ED$G$9!#(B

<199805211051.TAA05523@chisato.nd.net.fujitsu.co.jp>$B$N5-;v$K$*$$$F(B
miyata@nd.net.fujitsu.co.jp$B$5$s$O=q$-$^$7$?!#(B

>> >   $B:rF|!"0J2<$N$h$&$J$3$H$,5/$3$j$^$7$F!"8&5f2J$N%5!<%P$,(B 
>> > Ethetnet $B$GDL?.ITG=$K4Y$C$F$7$^$$$^$7$?!#(B
>> > 
>> > >> arp: 00:20:78:0e:90:0a is using my IP address 130.158.223.1!
>> > 
>> >   $B9,$$LkCY$/$@$C$?$3$H$b$"$j!"7zJ*Fb$rAv$j2s$k$3$H$K$h$j$9$0$KHH(B
>> > $B?M(B(Mac $B$G$7$?(B)$B$rH/8+$G$-$?$N$G$9$,!"7k6I(B
>> > 
>> >   # ifconfig fe0 down; ifconfig fe0 up
>> > 
>> > $B$9$k$^$GDL?.$O$G$-$^$;$s$G$7$?!#$3$N$h$&$J$3$H$,5/$-$?>l9g$K!"DL(B
>> > $B?.$G$-$J$/$J$i$J$$$h$&$K$9$k!"$"$k$$$O<+F0E*$KI|5"$9$k$h$&$K$9$k(B
>> > $B$3$H$O$G$-$^$9$G$7$g$&$+!)(B

1) $B$$$8$i$l$=$&$J(B segment $B$rJ,N%$9$k!#(B
2) $B>e$N(B ifconfig $B$r(B cron $B$G7+$jJV$9!#(B

$B$J$s$F$N$OB@ED$5$s$J$i$b$&8!F$$5$l$F$^$9$h$M!#(B

>> ARP $B%F!<%V%k$K%9%?%F%#%C%/$KEPO?$7$F$*$1$P=PMh$k$+$b$7$l$J$$$1$I!"(B
>> $BBgJQ$G$9$7!#(B(^^;;)

$B$d$k$H$7$?$i$3$s$J46$8$G$9$+!#(B

% arp -a
a.hoge.domain (x.x.x.249) at *:*:*:*:*:11
b.hoge.domain (x.x.x.250) at *:*:*:*:*:22
c.hoge.domain (x.x.x.251) at *:*:*:*:*:33
% vi /etc/rc.conf ($BItJ,(B)
ifconfig_ed2="inet x.x.x.249 netmask 255.255.255.0 -arp"
% vi /etc/ed2.arp
x.x.x.249 *:*:*:*:*:11
x.x.x.250 *:*:*:*:*:22
x.x.x.251 *:*:*:*:*:33
% vi /etc/rc.local ($BItJ,(B)
/usr/sbin/arp -f /etc/ed2.arp

Crack $B$O$5$l$^$9$,!"(B IP $B@_Dj$N4V0c$($KBP$7$F$OM-8z$G$7$g$&!#(B

# $B;n$7$F$J$$$N$G!"$@$a$+$b$7$l$^$;$s!#(B

--
"SADA Kenji" <sada@e-mail.ne.jp>
