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From: shin@hans.or.jp (Teruhiko Shinmura)
To: FreeBSD-users-jp@jp.freebsd.org
In-reply-to: FreeBSD-users-jp@jp.freebsd.org's message of "Fri, 01 Sep 2000
 20:55:57 +0900" <6t4s40comq.wl@eucharis.scu.hinet.co.jp>
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Subject: [FreeBSD-users-jp 54773] Re: About icmp-response bandwidth limit 124/100 pps
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$B?7B<$H?=$7$^$9!#(B

>>>>> "K" == karasu  <karasu@hinet.co.jp> writes:

K> $B1(;3!w(BHINET$B$G$9(B

K> At Fri, 1 Sep 2000 14:04:48 +0900 (JST),
K> shin@hans.or.jp (Teruhiko Shinmura) wrote:

>> Sep  1 02:25:57 host /kernel: icmp-response bandwidth limit 151/100 pps
>> Sep  1 02:25:58 host /kernel: icmp-response bandwidth limit 128/100 pps
>> Sep  1 02:25:59 host /kernel: icmp-response bandwidth limit 106/100 pps
>> 
>> $B$3$N%m%0$K$D$$$F$*$o$+$j$K$J$kJ}$O65$($F2<$5$$!#(B

K>  icmp$B$KBP$9$k1~Ez$,C10L;~4VEv$?$jogCM$r1[$($k$HH/@8$7$^$9(B

$B$=$&$J$s$G$9$+!#(B
$B$3$l$ODL>o$N1?MQ$G$h$/H/@8$9$k$h$&$J0lHLE*$J$b$N$G$7$g$&$+(B?

K> net.inet.icmp.icmplim: 100

K> $B$C$F=P$F$/$k$H;W$$$^$9(B

$B$O$$!"=P$^$7$?!#(B

>> $B$3$N;~4VBS$K%]!<%H$r%9%-%c%s$5$l$F$$$k7A@W$b$"$k$N$G!"$=$l$K4X78$7(B
>> $B$F$$$k$N$@$m$&$H;W$$$^$9$,!"6qBNE*$K$O$I$N$h$&$J;v$r$5$l$k$H$3$N$h(B
>> $B$&$J5-O?$,;D$k$N$G$7$g$&$+(B?

K> UDP $B$N(B port scan$B$r<u$1$k$H=P$k$H;W$$$^$9(B

$B$=$&$J$s$G$9$+!#(B
$B$d$C$Q$j%]!<%H%9%-%c%s$H4X78$,$"$C$?$N$G$9$M!#(B
$B$3$N$h$&$J%"%?%C%/$N0l<o$r$5$l$?>l9g$KBP=h$9$kJ}K!$O2?$+$"$j$^$9$+(B?

$B%+!<%M%k%3%s%Q%$%k$G;XDj$9$k!"(B
options		"ICMP_BANDLIM"
$B$H4X78$,$"$j$^$9$G$7$g$&$+(B?

$B:G6a$N(B 4.1R $B$@$H(B rc.conf $B$G2?$d$i@_Dj$G$-$k$h$&$J46$8$G$9!#(B

K> nmap$B$,$"$k$J$i(Broot$B$G(B

nmap $B$O%$%s%9%H!<%k$7$F$$$J$$$N$G$"$j$^$;$s$,!"%F%9%H$7$F$_$?$$$H(B
$B;W$$$^$9!#(B

--
shin
