From owner-FreeBSD-users-jp@jp.freebsd.org  Fri Jun 20 13:17:03 1997
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$B$O$8$a$^$7$F!#$$$o$?!w$^$$$3$s(B  $B$H$$$$$^$9!#(B
$B:G6a$K$J$C$F!"(BFreeBSD$B$r;H$$;O$a$k$3$H$K$J$j$^$7$?!#(B
UNIX$BNr$O@u$$;d$G$9$,!"$I$&$>$h$m$7$/$*4j$$CW$7$^$9!#(B

----------------------------------------------------

[$B:$$C$F$$$^$9!#(B]

IPFW$B$G%Q%1%C%H%U%#%k%?$r$7$h$&$H$7$F$$$^$9$,!"(B
$B$&$^$/$$$+$J$/$F!":$$C$F$$$^$9!#(B
$B$I$&$>%"%I%P%$%9$r$*4j$$$7$^$9!#(B

$B$=$l$+$i!"Ds<(>pJs$,ITB-$7$F$$$k>l9g$O65$($F2<$5$$!#(B
$B$h$m$7$/$*4j$$CW$7$^$9!#(B

----------------------------------------------------

[$B>u67(B]

$B!|%V!<%H;~$N%a%C%;!<%8(B
kernel$B%V!<%H;~$K(B
ipfw getsockopt(IP_FW_GET): Invalid argument
$B$H$$$&%a%C%;!<%8$,=P$F$7$^$$$^$9!#(B

$B!|(BIPFW$B$,F/$+$J$$!#(B
$B$=$7$F!"$3$N%^%7%s$O(BIPFW$B$,F/$+$J$$$N$G!"(B
$B:#$O(Ball packet allow$B$J%k!<%?!<$K$J$C$F$7$^$C$F$$$^$9!#(B

$B!|$A$J$_$K!"(Bipfw$B%3%^%s%I$r<B9T$7$F$b%(%i!<$,$G$^$9!#(B

#
# ipfw list	
ipfw: getsockopt(IP_FW_GET): Invalid argument


# ipfw flush
Are you sure? [yn] y
ipfw: setsockopt failed.


----------------------------------------------------

[$B@_DjA0$N854D6-(B]
$B!|(B2.2.1-Release	CD-ROM
$B!|A4(Bpacket$B$rDL$9(Bgateway$B$H$7$FF0:n$7$F$$$?!#(B


[$B@_Dj$7$?FbMF(B]
$B!|(Bkernel$B$N(Bconfiguration
	options		IPFIREWALL_VERBOSE
	
$B!|(B/etc/sysconfig
	gateway="YES"
	firewall="YES"

$B!|(B/etc/rc.firewall$B$N@_Dj(B
	firewall_type=NONE



