Newsgroups: fj.unix,fj.os.plan9
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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: <EsMr1K.2px@vega2.aichi-u.ac.jp>
Date: Fri, 8 May 1998 08:46:32 GMT
References: <NAKANO.98May8134635@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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X-originally-archived-at: http://galaxy.rwcp.or.jp/text/cgi-bin/newsarticle2?ng=fj.unix&nb=7994&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.

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>i486 $B$N>l9g$G$b(B($B$b$A$m$s(B Pentium II $B$G$b(B)$B!"JP$K(B OS $B$,$=$l$r5v$9$+(B
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$B$@$H;W$$$^$9$,$M!#(B
FreeBSD 2.2.1 $B$d(B Linux 2.0.32 $B$G$O%9%?%C%/$NCf$G<B9T$G$-$k$H$9$l$P!"(B
$B$^$:$3$N$3$H$r5?$C$F$_$k$Y$-$G$9$M!#(B--- $B$G$b9M$($K$/$$$J$"!#(B
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#$B$o$+$i$J$$!#(B

>$B%9%?%C%/$KBP$9$k(B buffer overrun
>vulnerability $B$r;}$D%W%m%0%m%0%i%`$K4X$7$F$O!"$?$H$((B OS $B$,%9%?%C%/>e$N(B
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>...
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$BLdBj$O%G%#%P%C%,$,2?$r9T$C$F$$$k$+$J$N$G$9$,(B... "Plan9 The Documents"
$B$K$=$N%R%s%H$,$"$j$^$7$?!#$=$N$^$^0zMQ$7$^$9!#(B
Unlike in db(1), breakpoits are left in memory even when a process is
stopped, and the process must exist, perhapes by being created by either
new or win, in order to place a breakpoint. (Db accepts breakpoint
commands before the process is started.)
$B$3$3$G(B new $B$H$+(B win $B$O%G%#%P%C%0BP>]$N%W%m%;%9$r?7$?$K@8@.$9$k%3%^%s%I(B
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$B$J$K$7$m(B5$BG/$?$C$?$iJ*;v$,(B10$BG\$N%9%1!<%k$GKDD%$9$k@$3&$G$9$+$i!#(B
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$BM-_77r<#(B
E-mail: arisawa@aichi-u.ac.jp
