From owner-FreeBSD-users-jp@jp.freebsd.org  Sat Nov  7 11:01:21 1998
Received: (from daemon@localhost)
	by jaz.jp.freebsd.org (8.9.1+3.1W/8.7.3) id LAA15552;
	Sat, 7 Nov 1998 11:01:21 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from forensic.iwate-med.ac.jp (root@forensic.iwate-med.ac.jp [202.244.195.137])
	by jaz.jp.freebsd.org (8.9.1+3.1W/8.7.3) with ESMTP id LAA15545
	for <FreeBSD-users-jp@jp.freebsd.org>; Sat, 7 Nov 1998 11:01:18 +0900 (JST)
	(envelope-from shikoda@forensic.iwate-med.ac.jp)
Received: from [202.244.194.132] (phys1.iwate-med.ac.jp [202.244.194.132]) by forensic.iwate-med.ac.jp (8.9.1/3.4W3) with ESMTP id LAA11116 for <FreeBSD-users-jp@jp.freebsd.org>; Sat, 7 Nov 1998 11:05:37 +0900
Mime-Version: 1.0
Content-Type: text/plain; charset="ISO-2022-JP"
Content-Transfer-Encoding: 7bit
X-Mailer: Macintosh Eudora Pro Version 4.0.1J
Message-Id: <v04010500b2694f4eb79b@forensic.iwate-med.ac.jp>
In-Reply-To: <199811061331.WAA07403@alan.soft.nid.co.jp>
References: <v04010502b267f365b928@forensic.iwate-med.ac.jp>
 <3642170024E.7521ASA@mail.use-net.co.jp>
 <3640C8DC262.1F26ASA@mail.use-net.co.jp>
 <19981105121107W.shiozaki@ased.mt.nec.co.jp>
 <3642170024E.7521ASA@mail.use-net.co.jp>
 <v04010502b267f365b928@forensic.iwate-med.ac.jp>
Date: Sat, 7 Nov 1998 11:01:20 +0900
To: FreeBSD-users-jp@jp.freebsd.org
From: Arimitsu Shikoda <shikoda@forensic.iwate-med.ac.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+980914
X-Sequence: FreeBSD-users-jp 34831
Subject: [FreeBSD-users-jp 34831] Re: ghost? on finger
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org

$B;V;RED!w4d<j0e2JBg3X$G$9!#(B
$B%3%a%s%H$"$j$,$H$&$4$6$$$^$9!#$5$F(B......

$B9b662m;K(B $B!J%(%L%"%$%G%$!K$5$s(B
> /var/run/utmp $B$K%4%_$,;D$C$F$7$^$C$?$N$G$9$M!#(B
> $B<j85$N(B FreeBSD $B$G$O$=$N8=>]$K$J$C$?$3$H$,L5$$$N$G$9$,!"(B
> SunOS 4.x $B$G$O$A$g$$$A$g$$8+$+$1$k8=>]$G$9!#(B
> $B$=$s$J;~$O!"$=$NC<Kv$KBP$7$F(B write $B$G%a%C%;!<%8$r(B
> $BAw$C$F$d$l$P>C$($F$/$l$^$9!#(B
> $BF1$82H7O(B(?)$B$N(B OS $B$H$$$&$3$H$G!"$b$7$+$7$?$i(B FreeBSD $B$G$b(B
> $B;H$($k<j$+$bCN$l$^$;$s!#(B

$B$H!"65$($F2<$5$C$?$N$G(B
$B%m%0%$%s$7!"(B

bash-2.01$ finger
Login    Name                 TTY  Idle  Login Time   Office  Phone
ookawa   Haruo Ookawa         p2     4d  Mon    17:32
shikoda  Arimitsu Shikoda    *p0         Sat    10:45

$B$G$"$k$N$G(B

bash-2.01$ write ookawa p2
write: you have write permission turned off

$B$H8@$o$l$?$N$G(B

bash-2.01$ mesg y
bash-2.01$ write ookawa p2

$B$H$7$^$7$?$i(B

write: ookawa is not logged in on p2

$B$H8@$o$l$^$7$?!J(Bwrite $B$N;H$$J}$,$^$A$,$C$F$k$N$G$7$g$&$+!K!#(B


$B<!$N<j$H$7$F!"(B
$BB@EDK'I'!JC^GHBg3X!K$5$s(B
> $B$?$V$s(B /var/run/utmp $B$,2u$l$F$$$k$s$8$c$J$$$G$7$g$&$+!#%(%G%#(B
> $B%?$G4hD%$C$F=q$-49$($k$+!"B>$KC/$b%m%0%$%s$7$F$$$J$$;~$r8+7W$i$C(B
> $B$F>C$7$F%m%0%$%s$7D>$;$P(B($B$?$V$s(B)$BD>$C$F$$$k$H;W$$$^$9!#(Breboot $B$9(B
> $B$l$P3N<B!D!D!"$G$7$g$&$+!#(B
> 1$BG/$K(B1$B2s$/$i$$(B(FreeBSD $B$K8B$i$:(B)$B$I$3$+$G8+$+$1$k5$$,$7$^$9!#(B

$B$H65$($F2<$5$C$?$N$G!":#EY$O%(%G%#%?$G!"8+$k$H(B.....
bash-2.01$ vi /var/run/utmp

^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ttyv0^@^
@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@4\xa6C6ttyv1^@^@^@^@^@^@^
@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@\xdf{A6^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@ttyp0^@^@^@shikoda^@phys1^@^@^@^@^@^@^@^@^@^@^@%\
xa6C6ttyp1^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@\x9e\
xbdB6ttyp2^@^@^@ookawa^@^@:0.0^@^@^@^@^@^@^@^@^@^@^@^@^Fn=6ttyp3^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@\xf5v=6
~~~~~~~~~~~

$B$H$J$C$F$$$^$9$M!#(Bshikoda$B$d(Bookawa$B$O8+$($k$N$G$9$,!"$I$3$r>C$9$Y$-$J$N$+H=CG(B
$B$KLB$$$^$9!#(B
^@$B$O0UL#$N$"$k>pJs$J$N$G$7$g$&$+!J0UL#L5$/B8:_$9$k$H$O;W$($^$;$s$,!K!#(B

$B$=$3$G;W$$@Z$C$F$9$Y$F$NFbMF$r%(%G%#%?$G>C$7$F$7$^$$$^$7$?!#(B
$B%U%!%$%k$=$N$b$N$O;D$7$^$7$?!#(B
$B$=$N$"$H!"%m%0%"%&%H$7$F!"%m%0%$%s$7D>$7$?$i!"L5;v2sI|$7$F$*$j$^$7$?!#(B

 $B:#2s$N7o$O$^$:!"ITJY6/$G(B/var/run/utmp$B$H$$$&$b$N$NB8:_$rCN$j$^$;$s$G$7$?!#(B
write $B$GBP=h$9$kJ}K!$O<!2sF1$8>I>u$,$"$i$o$l$?$H$-$K$8$C$/$j;n$7$F$_$^$9!#(B
$BBgJQ=u$+$j$^$7$?!#(B
$BE,@Z$J%3%a%s%H$r!"$I$&$b$"$j$,$H$&$4$6$$$^$7$?!#(B








