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Date: Fri, 12 Nov 1999 11:21:17 +0900
From: Katsuyuki Maeda <kei@nanet.co.jp>
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References: <19991111181220F.ryuichi@falcon.cs.ritsumei.ac.jp>
		<382A8DC4.3B27DDAA@nanet.co.jp> <19991111184251I.ryuichi@falcon.cs.ritsumei.ac.jp>
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Subject: [FreeBSD-net-jp 2089] Re: traceroute over IPFW
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$B!!(BKei@nanet$B$G$9!#(B

Ryuichi HINO wrote:
> kei>   allow udp from my-address 32768-65535 to any 33434-33463
> kei>
> 
> $B$9$$$^$;$s!%(B
> from $B%U%#!<%k%I$N%]!<%HHV9f(B"32768"$B$N:,5r$r65$($F$$$?$@$1$J$$$G$7$g$&$+!%(B

  3.3-stable$B$N%^%7%s$G$9$,!"(B

  /usr/src/contrib/traceroute/traceroute.c
  -----
   506          ident = (getpid() & 0xffff) | 0x8000;
   507          outudp->uh_sport = htons(ident);
  -----

$B!!$H$$$&$N$,!"%=!<%9%]!<%HHO0O$NM}M3$G$9$,!"(Btraceroute$B$,$=$N%]!<%H(B
$BHO0O$r;H$&M}M3$O!"0lHL$K;H$o$l$F$$$J$$2DG=@-$,9b$$$+$i$G$7$g$&!#(B

--
Nagasaki Network Service (http://www.nanet.co.jp/)
 kei@nanet.co.jp <Katsuyuki Maeda> (http://www.nanet.co.jp/~kei/)
