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Date: Thu, 24 Dec 1998 19:08:19 +0900
From: Koga Youichirou <y-koga@jp.freebsd.org>
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Subject: [doc-jp 5717] Re: ANNOUNCE: CERT Advisory CA-98.13 - TCP/IP Denial of Service (fwd)
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$B8eF#$5$s(B:
> $B1F6A$r<u$1$k%7%9%F%`(B
> 
>    BSD $BM3Mh$N(B TCP/IP $B%9%?%C%/$r;}$D%7%9%F%`$N$&$A$N$$$/$D$+$G$"$k(B. $B1F6A(B

$B$3$3$G$O!V$G$"$k!WITMW$+$J!#(B

>    $B$K<($5$l$F$$$k<eE@$r4^$`B>$N%5!<%S%9K832(B (denial-of-service) $B967b$HF1(B

$B%5!<%S%9ITG=(B

> B. $B;OE@%"%I%l%956B$$rKI$0$h$&$K%k!<%?$d%U%!%$%"%&%)!<%k$r@_Dj$9$k(B
> 
>    $BDL2a;~$KFbIt$N;OE@%"%I%l%9$rMW5a$9$k$h$&$K%k!<%?$d%U%!%$%"%&%)!<%k(B
>    $B$rD4@0$9$k$3$H$r>)Ne$7$F$$$k(B. 

$B;OE@%"%I%l%9$r56B$$7$?967b$r8:$i$9$Y$/!"%k!<%?$d%U%!%$%"%&%)!<%k$r@_Dj(B
$B$9$k$3$H$r>)Ne$9$k!#(B

> $B:#$N$H$3$m%M%C%H%o!<%/$KN.$l$kB?$/$N(B IP 
>    $B56B$%Q%1%C%H$r8:$i$9$?$a$N:GNI$N<jCJ$O(B, $B%M%C%H%o!<%/$+$i=P$F9T$/%Q(B
>    $B%1%C%H$K$D$$$F(B, $BFbIt$N;OE@%"%I%l%9$rI,?\$H$9$k$h$&$K$9$kDL2a;~$K;O(B
>    $BE@%"%I%l%9$rMW5a$9$k%U%#%k%?$r%k!<%?$K%$%s%9%H!<%k$9$k$3$H$G$"$k(B. 

$B:#$N$H$3$m!"%M%C%H%o!<%/$KN.$l$kB?$/$N(B IP $B56B$%Q%1%C%H$r8:$i$9:GNI$N<j(B
$BCJ$O!"%M%C%H%o!<%/$+$i=P$F9T$/%Q%1%C%H$K$D$$$F!"FbIt$N;OE@%"%I%l%9$rI,(B
$B?\$H$9$k$h$&$J%U%#%k%?$r%k!<%?$K%$%s%9%H!<%k$9$k$3$H$G$"$k!#(B

>    $B$3$N<j$N%U%#%k%?$O30It%M%C%H%o!<%/$X=P$F$$$/$9$Y$F$N%Q%1%C%H$r%U%#%k(B
                       ^$B!"(B
>    $B%?%j%s%0$9$k$3$H$G<+%5%$%H$+$i$N;OE@(BIP$B%"%I%l%956B$967b$rKI$0(B. 

>    IP Source Address Spoofing$B!I$r;2>H$"$l(B. $B2f!9$O$3$l$r%$%s%?!<%M%C%H%5!<(B

$B;2>H$N$3$H!#(B

>  Appendix A - $B%Y%s%@>pJs(B ($BLuCm(B*:FreeBSD $B4XO"$N$_H4?h(B)
> 
>     FreeBSD, Inc.
>     FreeBSD 2.2.8 $B$K$O$3$N<eE@$O$J$$(B. 
>     2.2.8 $B$h$jA0$N%P!<%8%g%s$N(B FreeBSD $B$K$O$3$N<eE@$,$"$k(B. 
>     FreeBSD 3.0 $B$K$b$3$N<eE@$,$"$k(B. 
>     1998/11/12 $BIU$N(B FreeBSD 3.0-current $B$K$O$3$N<eE@$O$"$k(B. 

s/$B<eE@$O(B/$B<eE@$,(B/

> $B0E9f$NMxMQ(B
> 
>      $B5!L)$N9b$$>pJs$O0E9f2=$7$F$+$i%a!<%k$GAw$k$h$&$K6/$/4+$a$F$$$k$b$N$G(B

$B5!L)@-$N9b$$(B
----
$B$3$,$h$&$$$A$m$&(B
