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From: nyan <nekohaha@qd6.so-net.ne.jp>
To: FreeBSD-net-jp@jp.FreeBSD.org
In-Reply-To: <20031014041647.49938.qmail@web501.mail.yahoo.co.jp>
References: <u16cy7ud.wl@DELL1.silab.ecl.ntt.co.jp> <20031014041647.49938.qmail@web501.mail.yahoo.co.jp>
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Date: Tue, 14 Oct 2003 19:32:22 +0900
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Subject: [FreeBSD-net-jp 3994] Re: LAN =?ISO-2022-JP?B?GyRCRmJJdBsoQg==?=
 =?ISO-2022-JP?B?GyRCJE4lLyVpJSQlIiVzJUgkKyRpGyhC?= PING
 =?ISO-2022-JP?B?GyRCJCxETCRpJEokJBsoQg==?=
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On Tue, 14 Oct 2003 13:16:47 +0900
$BNkLZ(B $B3X(B <gakugakuman@yahoo.co.jp> wrote:

> $B$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$$$$$?$7$^$9!#(B
> 
> 
> __________________________________________________
> Do You Yahoo!?
> Yahoo! BB is Broadband by Yahoo!
> http://bb.yahoo.co.jp/
$B$8$c$s$/$M$3$O$O!"$H$$$$$^$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>

