Newsgroups: fj.unix,fj.os.plan9
Path: galaxy.trc.rwcp.or.jp!news.trc!nf2.iij.ad.jp!nr0.iij.ad.jp!news.iij.ad.jp!rim.or.jp!Q.T.Honey!aero.kyushu-u!hakozaki.karrn!hakata!sakura.kudpc!cancer.nca5.ad.jp!nfeed.gw.nagoya-u.ac.jp!vega2!arisawa
From: arisawa@vega2.aichi-u.ac.jp (Kenji Arisawa)
Subject: Re: Plan9 security (Re: reserved ports)
Sender: news@vega2.aichi-u.ac.jp (News Master)
Message-ID: <EsKHnB.3zK@vega2.aichi-u.ac.jp>
Date: Thu, 7 May 1998 03:28:23 GMT
References: <NAKANO.98May7112149@dolphin61.math.ryukoku.ac.jp>
Nntp-Posting-Host: vega2
Organization: Aichi University Computer Center, Aichi University, Aichi, Japan.
X-Newsreader: mnews [version 1.18PL3+] 1994-08/01(Mon)
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Xref: galaxy.trc.rwcp.or.jp fj.unix:7974 fj.os.plan9:85
X-originally-archived-at: http://galaxy.rwcp.or.jp/text/cgi-bin/newsarticle2?ng=fj.unix&nb=7974&hd=a
X-reformat-date: Mon, 18 Oct 2004 15:18:22 +0900
X-reformat-comment: Tabs were expanded into 4 column tabstops by the Galaxy's archiver. See http://katsu.watanabe.name/ancientfj/galaxy-format.html for more info.

$BM-_7(B@$B0&CNBg3X$G$9(B

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>$BF0$$$F$$$k$N$J$iB>$N(B none $B$N%W%m%;%9$rC%$o$l$l$P!"(Bftpd $B$bC%$o$l$F$7$^(B
>$B$&$H$$$&$3$H$O$"$j$^$;$s$+(B?
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$BNc$($P(B ftpd $B$rMn$H$9$H$+$G$"$l$P4JC1$K$G$-$^$9!#(Bkill $B$9$k$@$1$G==J,!#(B
$B$G$9$+$i!"(BPlan9$B$H8@$($I$b(B none $B$N<B9T4D6-$K$O==J,Cm0U$9$kI,MW$,$"$j$^$9!#(B
$B9,$$(B Plan9 $B$O(B none $B$N<B9T4D6-$rJD$89~$a$k;v$,2DG=$G!"$^$?(B none $B$K$O(B
$B%U%!%$%k$N@8@.$r(B(OS$B%l%Y%k$N5!G=$H$7$F(B)$B6X;_$G$-$^$9!#(B($BDL>o$O6X;_$7$^$9(B)
$B$b$7$b%U%!%$%k$r:n@.$G$-$l$P(B none $B$O$=$3$K%W%m%0%i%`$r;}$A9~$_GK2u$N(B
$BF;6q$H$9$k2DG=@-$,$"$k$N$G!"$3$N;v$O=EMW$G$9!#(B
$B0JA0$K$3$N%3!<%J!<$G(B UNIX $B$N%5!<%S%9%W%m%0%i%`$KHo$;$k%i%C%Q!<$NOC$,(B
$BOCBj$K$J$j$^$7$?$,!"(BUNIX $B$G$b(B nobody $B$OB>$N(B nobody $B$r(B kill $B$G$-$k$H(B
$B;W$$$^$9!#$3$N7j$r$I$N$h$&$KKI$0$+$,$d$O$jLdBj$K$J$C$F$-$^$9!#(B

none $B$,B>$N(Bnone$B$N%W%m%;%9$rFbMF$rGA$-8+$9$k$3$H$b86M}E*$K$O2DG=$@$H;W$$$^$9!#(B
Plan9 $B$N%G%#%P%C%,(B acid $B$O<B9TCf$N%W%m%0%i%`$r%G%#%P%C%0$G$-$^$9$+$i!#(B
$B$^$?(B CPU ($BNc$($P(B 486)$B$O<B9T%3!<%I$K4X$7$F$O87=E$J80$r$+$1$F$$$F$bJQ?t$K(B
$B4X$7$F$O80$r$+$1$F$$$^$;$s!#$@$+$i43>D$9$k;v$b2DG=$G$7$g$&!#(B
$BBg@Z$J;v$OF;6q$rM?$($J$$$3$H$G$9!#(B

>$B$3$N<j$N(B exploitation script$B$r$$$/$D$+:n$C$?$3$H$,$"$j$^$9(B($BK\Ev(B)$B!#(B
$B@'Hs8+$;$FM_$7$$$J$"(B... $B$G$b?M$N>&GdF;6q$G$O$M!"8+$;$F$/$l$J$$$@$m$&$J$"!#(B

>$B<!$NJ88%$KM-_7$5$s$N$*CN$j$K$J$j$?$$$3$H$,=q$$$F$"$k$h$&$G$9!#$3$l$r$4(B
>$BMw$K$J$C$F$O$$$+$,$G$7$g$&$+(B?
>
>  Eugene H. Spafford, The Internet Worm Program: An Analysis,
>  Purdue Technical Report CSD-TR-823, 1988
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$B$@$+$i$3$3$K$=$N$h$&$JOC$,:\$C$F$$$k$3$H$O4|BT$7$F$$$^$;$s!#(B
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E-mail: arisawa@aichi-u.ac.jp
