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To: FreeBSD-users-jp@jp.FreeBSD.org
From: moto kawasaki <moto@kawasaki3.org>
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Date: Fri, 02 Oct 2009 12:20:05 +0900
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Subject: [FreeBSD-users-jp 92526] Re: UDP limited broadcast
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$B@n:j$G$9!#(B

hping (net/hping) $B$GH>J,$G$-$^$7$?!#(B
$B!t(B $B$d!"Lr$KN)$?$L(B... ^^;

# hping --udp 255.255.255.255
HPING 255.255.255.255 (fxp0 255.255.255.255): udp mode set, 28 headers + 0 data bytes

$B$3$&$d$k$H!"(BDSTIP $B$O(B 255.255.255.255 $B$K$J$C$F$$$k$h$&$G$9$,!"(BDST $B$N(B
MAC $B%"%I%l%9$O%G%U%)%k%H%2!<%H%&%'%$$N$b$N$K$J$C$F$$$^$9!#(B

12:13:05.912929 00:30:48:52:19:38 > 00:00:87:d0:78:9e, ethertype IPv4 (0x0800), length 42: xx.yy.zz.230.1764 > 255.255.255.255.0: UDP, length 0
12:13:06.914869 00:30:48:52:19:38 > 00:00:87:d0:78:9e, ethertype IPv4 (0x0800), length 42: xx.yy.zz.230.1765 > 255.255.255.255.0: UDP, length 0
12:13:07.916823 00:30:48:52:19:38 > 00:00:87:d0:78:9e, ethertype IPv4 (0x0800), length 42: xx.yy.zz:w.230.1766 > 255.255.255.255.0: UDP, length 0

$B$3$N(B hping $B$O(B hping2 $B$J$N$G$9$,!"(BMAC $B%"%I%l%9$r$$$8$k%O%s%I%k$OL5$$$h(B
$B$&$G$9!#(Bhping3 $B$J$i$G$-$k$+$7$i$`!#(B

-- 
moto kawasaki <moto@kawasaki3.org>
