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From: Yoshihiro Hanahara <hanahara@meiko.co.jp>
Date: Fri, 21 Apr 2000 21:33:51 +0900
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Subject: [FreeBSD-users-jp 51301] natd =?ISO-2022-JP?B?GyRCJEskKhsoQg==?=
 =?ISO-2022-JP?B?GyRCJDEkayEiGyhC?= UDP
	=?ISO-2022-JP?B?GyRCJV0hPCVIJE5NPUxzJEskRCQkJEYbKEI=?=
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$B2V86(B@$BL@9($G$9!#(B

FreeBSD-3.4$B$N(B 1$BBf$N%^%7%s$G!"(BNAT$B$H(B QuickTimeStreamingProxy(RTSP, RTP)$B$r(B
$BF1;~$K<B9T$7$?$$$H;W$C$F$$$^$9!#(B
QuickTimeStreamingProxy$B$O!"(BApple$B$N(BDarwin$B%W%m%8%'%/%H$N(B

	http://www.publicsource.apple.com/projects/streaming/

$B$+$i<hF@$7$^$7$?!#(B

QuickTimeStreaming$B$O!"(B554/TCP$B$G(BStreaming$B%5!<%P!<$H$d$j<h$j$7!"(B
UDP$B$G%G!<%?$r$3$A$i$KAw$C$F$-$^$9(B($B%G%U%)%k%H$O(B6970-6999/UDP)$B!#(B
$B$h$C$F(BNAT$B$H$OAj@-$,0-$$$N$G$9$,!"(BStreamingProxy$B$rN)$F$k;v$K$h$j(B
QuickTimeStreaming$B$,8+$l$F$^$9!#(B


       $B%0%m!<%P%k%"%I%l%96u4V(B
               |
	       |  210.aaa.bbb.ccc/28
        +------------+
    	| natd       |
        | RTSP proxy |
        +------------+
               |  192.168.1.0/24
               |
	$B%W%i%$%Y!<%H%"%I%l%96u4V(B

$B$7$+$7!"(Bnatd$B$,;H$&(BUDP$B$N%]!<%H$H!"(BStreamingProxy$B$,;H$&%]!<%H$,(B
$B43>D$7$J$$$+$A$g$C$H?4G[$J$N$G$9(B($B[9M+$+$7$i(B?)$B!#(B

$B$=$3$G<ALd$G$9!#(B


Q-1.
----
$BM=$a!"(BStreamingProxy$B$,;H$&(BUDP$B%]!<%H$rM=Ls$7$F$*$-!"(B
natd$B$G;H$o$J$$$h$&$K$9$k$H$$$&@_Dj$O$G$-$k$G$7$g$&$+(B?
($B$=$b$=$b?4G[$9$kI,MW$O$J$$(B?)


Q-2.
----
natd$B$r(B

	/sbin/natd -f /etc/natd.conf -n vr0

$B$G5/F0$9$k$h$&$K(B(rc.conf$B$NJQ?t$r%;%C%H(B)$B$7!"(Bnatd.conf$B$K(B

	redirect_port tcp 210.aaa.bbb.ccc:554 554
	redirect_port udp 210.aaa.bbb.ccc:10000-15000 10000-15000

$B$N$h$&$K5-=R$9$l$P!"M=$aM=Ls$7$?;v$K$J$k$G$7$g$&$+(B?
10000-15000 $B$O(BStreamingProxy$B$,;H$&%]!<%H$N%G%U%)%k%H$G$9(B
($B%/%i%$%"%s%HB&$+$i%5!<%P!<$K%]!<%H$r;XDj$9$k$N$G!"7k6I$I$3$G$b(B
$B$$$$$_$?$$(B)$B!#(B
$B$3$N>l9g!"$H$j$"$($:F0$$$F$^$9!#(B
$B$,!"$3$l$G$$$$$N$+3N?.$O;}$F$^$;$s!#(B


Q-3.
----
Q-2$B$N(Bnatd.conf$B$r(B

	redirect_port tcp 210.aaa.bbb.ccc:554 554
	redirect_port udp 210.aaa.bbb.ccc:6970-6999 6970-6999
	redirect_port udp 210.aaa.bbb.ccc:10000-15000 10000-15000

$B$N$h$&$K;XDj$7$^$7$?!#(B
6970-6999, 10000-15000/UDP$B$NHO0O$rM=Ls$7$?$D$b$j$G$9!#(B
$B$7$+$7!"$3$&$9$k$H!"%0%m!<%P%kB&$HDL?.$=$N$b$N$,$G$-$J$/$J$j$^$7$?!#(B
$B$J$K$+!"Bg4V0c$$$r$7$F$$$k5$$O$9$k$N$G$9$,(B....$B!#(B
6970-6999 and 10000-15000 $B$H$$$&HsO"B3$JHO0O$r;XDj$9$k$3$H$O$G$-$J$$$N$G(B
$B$7$g$&$+(B?



$B0J>e!"2?$+$*5$$E$-$NE@$,$4$6$$$^$7$?$i!"65$($F2<$5$$$^$;(B(^_^;)$B!#(B

---
hanahara@meiko.co.jp (Yoshihiro Hanahara)
