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From: =?ISO-2022-JP?B?GyRCTmtMWhsoQiAbJEIzWBsoQg==?= <gakugakuman@yahoo.co.jp>
To: FreeBSD-net-jp@jp.FreeBSD.org
In-Reply-To: <20031014192831.4DD2.NEKOHAHA@qd6.so-net.ne.jp>
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Date: Tue, 14 Oct 2003 22:49:29 +0900
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Subject: [FreeBSD-net-jp 3995] Re: LAN =?ISO-2022-JP?B?GyRCRmJJdBsoQg==?=
 =?ISO-2022-JP?B?GyRCJE4lLyVpJSQlIiVzJUgkKyRpGyhC?= PING
 =?ISO-2022-JP?B?GyRCJCxETCRpJEokJBsoQg==?= 
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$B$8$c$s$/$M$3$O$OMM$"$j$,$H$&$4$6$$$^$9!#(B
$BAaB.(B
/sbin/ipfw add allow icmp from localnet to any
$B$H9T$C$?$H$3$m(BBSD4.7relese$B$G$O2<5-$N$h$&$KI=<((B
$B$5$l$F$7$^$$$^$7$?!#(B
ipfw:hostname ``localnet'' unknow

> $B:G6a$O!"(Bicmp$B<u$1IU$1$J$$(BISP$B$N(BDNS$B%5!<%P!<$bB?$$$N$G(B
> $BH=CG$7$:$i$$$G$9$M$'!#(B
ISP$B$N(BDNS$B@_Dj$K$h$C$F$b0c$&$s$G$9$M!#(B
$BJY6/$K$J$j$^$7$?!#(B
$BJV?.$$$?$@$-$^$7$F$"$j$,$H$&$4$6$$$^$9!#(B



> 
> > $B$I$J$?$+65$($F$/$@$5$$!#(B
> >
> LAN$BFbIt$N%/%i%$%"%s%H$+$i30B&$X$N(BPING$B$,DL$i$J$$$N$G(B
> > $BDL$k$h$&$K$7$?$$$G$9!#(B
> > $BIT2D2r$J$3$H$H$7$F$O%2!<%H%&%'%$C<Kv$+$i$N30It$X$N(B
> > PING$B$ODL$j$^$9$,!"%/%i%$%"%s%H$+$i30It$X$N(BPING$B$,(B
> > $BDL$i$J$$E@$G$9!#(BOS$B$O(BFreeBSD 4.7 Relese$B$G$9!#(B
> > $B$A$J$_$K%/%i%$%"%s%H(B(Host
> "A""C")$B$N(Bwindows$B%^%7!<%s$G(B
> > $B30B&$K$"$k%[!<%`%Z!<%8$N1\MwEy$OLdBj$J$/$G$-$^$9!#(B
> > 
> > $B!{%M%C%H%o!<%/9=@.(B
> >      Inter net
> >     _____|____
> >    |ADSL MODEM|
> >    |__________|
> >          |
> >   _______|tun0___ FreeBSD 4.7
> >  |    HOST "G"   |(Gateway,nameserver,
> >  |________rl0____|nat,samba,ipfw,apache)
> >          | 192.168.1.1
> >   _______|_______
> >  |      HUB      |
> >  |_______________|
> >     |    |    |   ____________________
> >     |    |    |__|Host "A" 192.168.1.3| win
> >     |    |        ____________________
> >     |    |_______|Host "B" 192.168.1.4| FreeBSD
> 4.7
> >     |             ____________________  (os only)
> >     |____________|Host "C" 192.168.1.5| win
> > 
> >
>
$B8=>](B==========================================================================
> >   PING OK
> >     HOST "A" "B" "C" <-> HOST "A" "B" "C"
> >     HOST "A" "B" "C" <-> HOST "G"
> >     HOST "G" <-> Internet
> >   PING NG
> >     HOST "A" "B" "C" <-> Internet
> >     $BNc$($P(B
> >       Host "C" $B$+$i(BPING$B$r9T$C$?$H$-$NI=<(!#(B
> >        Pinging www.yahoo.co.jp [211.14.15.5] with
> 32 bytes
> > of data:
> >        Request timed out.
> >        Request timed out.
> >        Request timed out.
> >        Request timed out.
> >        Ping statistics for 211.14.15.5:
> >          Packets: Sent = 4, Received = 0, Lost = 4
> (100%
> > loss),
> > 
> >
>
$B@_Dj(B=========================================================================
> >   /etc/rc.conf
> >     gateway_enable="YES"
> > 
> >   HOST "G"$B$G(Bipfw list
> >     00100 allow log icmp from any to any
> > 
> >   HOST "G"$B$G(Bnetstat $BI=<(7k2L(B
> >   $B!J$3$N$H$-(BHOST
> > "A"$B$ON)$A$"$,$C$F$$$J$+$C$?$N$G(B192.168.1.3
> > $B$NI=<($O$"$j$^$;$s!#!K(B
> >     Routing tables
> >     Internet:
> >     Destination   Gateway           Flags Refs 
> Use Netif
> > Expire
> >     default       61.207.**.***     UGSc    2  755
>  tun0
> >     61.207.**.*** 219.160.**.***    UH      2    0
>  tun0
> >     127.0.0.1     127.0.0.1         UH      1   65
>   lo0
> >     192.168.1     link#2            UC      4    0
>   rl0
> >     192.168.1.1   00:0a:79:27:e0:38 UHLW    0   13
>   lo0
> >     192.168.1.4   00:09:41:1e:58:1f UHLW    1   47
>   rl0  
> >  714
> >     192.168.1.5   00:08:a1:1e:12:7e UHLW    4 2718
>   rl0  
> >  734
> >     192.168.1.255 ff:ff:ff:ff:ff:ff UHLWb   2   63
>   rl0
> > 
> >   HOST "G"$B$G(Bifconfig $BI=<(7k2L(B
> >   dc0:
> flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
> > mtu 1500
> > 	inet6 fe80::203:6dff:fe19:aaca%dc0 prefixlen 64
> scopeid
> > 0x1 
> > 	ether 00:03:6d:19:aa:ca
> > 	media: Ethernet autoselect (100baseTX
> <full-duplex>)
> > 	status: active
> >   rl0:
> flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
> > mtu 1500
> > 	inet 192.168.1.1 netmask 0xffffff00 broadcast
> > 192.168.1.255
> > 	inet6 fe80::20a:79ff:fe27:e038%rl0 prefixlen 64
> scopeid
> > 0x2 
> > 	ether 00:0a:79:27:e0:38
> > 	media: Ethernet autoselect (10baseT/UTP)
> > 	status: active
> >   lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST>
> mtu 1500
> >   lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST>
> mtu 16384
> > 	inet6 ::1 prefixlen 128 
> > 	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4 
> > 	inet 127.0.0.1 netmask 0xff000000 
> >   ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
> >   sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu
> 552
> >   faith0: flags=8002<BROADCAST,MULTICAST> mtu 1500
> >   tun0:
> flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu
> > 1454
> > 	inet 219.160.**.*** --> 61.207.**.*** netmask
> 0xffffffff 
> > 	Opened by PID 55
> > 
> >
> $BD9$/$J$j$^$7$?$,$465<x$/$@$5$$$^$9$h$&$*4j$$$$$?$7$^$9(B
$B!#(B
> > 
> > 
> > __________________________________________________
> > Do You Yahoo!?
> > Yahoo! BB is Broadband by Yahoo!
> > http://bb.yahoo.co.jp/
> $B$8$c$s$/$M$3$O$O!"$H$$$$$^$9(B
> 
> ipfw$B$N@_Dj$G!"(B
> allow icmp from localnet to any
> $B$rDI2C$9$l$P$$$$$N$G$O!)(B
> 
> $B$=$l$,(BOK$B$J$i$P!"(BDNS$B$H$$$&;v$b9M$($i$l$^$9$,!#(B
> 
> $B:G6a$O!"(Bicmp$B<u$1IU$1$J$$(BISP$B$N(BDNS$B%5!<%P!<$bB?$$$N$G(B
> $BH=CG$7$:$i$$$G$9$M$'!#(B
> 
> -- 
> nyan <nekohaha@qd6.so-net.ne.jp>
> 


__________________________________________________
Do You Yahoo!?
Yahoo! BB is Broadband by Yahoo!
http://bb.yahoo.co.jp/

