From owner-FreeBSD-users-jp@jp.freebsd.org  Wed May 20 19:53:44 1998
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Date: Wed, 20 May 1998 19:52:26 +0900 (JST)
Message-Id: <199805201052.TAA16036.vifam@fureai.or.jp>
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: Your message of "Mon, 18 May 1998 23:24:53 +0900".
	<356044B5.88DE505B@marianna-u.ac.jp>
From: futatuki@fureai.or.jp (Yasuhito FUTATSUKI)
X-Mailer: mnews [version 1.20] 1996-12/08(Sun)
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Subject: [FreeBSD-users-jp 28497] Re: fetchmail, popclient and sendmail by ppp session
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  $B$U$?$D$-$G$9!#(B

<356044B5.88DE505B@marianna-u.ac.jp>
$B$N5-;v$K$*$$$F!D!D(B
> $B$H$b$G$9!#(B
 
> mariannna-u.ac.jp$B$K(Bdial up$B$7$?>l9g$OBg3X$N(Bfirewall$B$NFbB&$KF~$j$^$9!#(Bping
> $B$O(Bmarianna-u.ac.jp$B$K$b30It$K$bDL$j$^$9!#(Bweb browser$B$G3XFb$N(Bhome page$B$K(B
> access$B=PMh$^$9!#(Bfirewall$B$NFbB&$G(Bweb browser$B$O$b$H$b$H3XFb$7$+(Baccess$B=PMh(B
> $B$J$/$J$C$F$$$^$9!#(B

  $B30$K(B ping $B$,DL$C$F(B http $B$,DL$i$J$$$H$$$&$3$H$O(B firewall $B$G(B
$B%Q%1%C%H!&%U%#%k%?$7$F$k$C$F$3$H$G$7$g$&$+(B ?

> > > > traceroute mail-1.marianna-u.ac.jp
> > > traceroute to mail-1.marianna-u.ac.jp (202.209.68.4), 30 hops max, 40
> > > byte packets
> > >  1  192.168.100.200 (192.168.100.200)  55.789 ms !H  56.837 ms !H
> > > 57.870 ms !H
> > 
> >   $BFO$$$F$J$$$G$9$M!#(B
> 
> $B$=$&$G$9$+!#L/$K;~4V$,$+$+$k$N$G$*$+$7$$$H$O;W$$$^$7$?!#(B

  $B0l1~(B traceroute(8) $B$KL\$rDL$7$F$_$F$/$@$5$$!#(B

  $B$G!"$[$s$H$K(B ping $B$bDL$C$F$k$s$G$7$g$&$+(B ?
  ping $B$N=PNO$ONc$($P$3$s$J46$8$N$b$N$G$O$J$$$G$9$+(B ?

    % ping -c -n 202.209.68.4
    PING 202.209.68.4 (202.209.68.4): 56 data bytes
    36 bytes from 192.168.100.200: Destination Host Unreachable
    Vr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst
     4  5  00 6800 dd39   0 0000  fe  01 57b2 192.168.1.1  202.209.68.4

    36 bytes from 192.168.100.200: Destination Host Unreachable
    Vr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst
     4  5  00 6800 dd3a   0 0000  fe  01 57b1 192.168.1.1  202.209.68.4

    36 bytes from 192.168.100.200: Destination Host Unreachable
    Vr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst
     4  5  00 6800 dd3b   0 0000  fe  01 57b0 192.168.1.1  202.209.68.4


    --- 202.209.68.4 ping statistics ---
    3 packets transmitted, 0 packets received, 100% packet loss

  mail-1.marianna-u.ac.jp $B$,%^%k%A%[!<%`$J%^%7%s!"$b$7$/$O(B
NAT $B$G30$+$iD>@\7Q$k$h$&$K$J$C$F$$$k%^%7%s$G!"(B202.209.68.4
$B$H$$$&(B IP $B%"%I%l%90J30$KFbB&MQ$N(B IP $B%"%I%l%9$r;}$C$F$F(B
$B:#$^$G$O$=$A$i$N(B IP $B%"%I%l%9$G@\B3$7$F$$$?!"$J$s$F$3$H$O(B
$B$J$$$s$G$9$+(B ?

#   DNS $B$N@_Dj$G(B marianna-u.ac.jp $B%I%a%$%sFb$N>pJs$b(B 
# firewall $B30$N(B $B%M!<%`!&%5!<%P!<$K?V$-$K9T$/$h$&$K@_Dj$7$F$$$F(B
# firewall $BFbB&$K7R$$$@;~$K@5$7$$>pJs$rF@$i$l$F$$$J$$!"$K0lI<!#(B
 --
$BFsLZLw?N!J$U$?$D$-$d$9$R$H!K(B <futatuki@fureai.or.jp>
