つづき
FreeBSD 4.9 RELASE

rc.conf
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gateway_enable="YES"
defaultrouter="192.168.0.1"
hostname="hoge"
network_interfaces="rl0 dc0 lo0"
ifconfig_rl0="inet 192.168.0.1 netmask="255.255.255.0"
ifconfig_dc0"tun0"
inet_enable="NO"
kern_securelevel_enable="NO"
nfs_reserved_port_only="YES"
sendmail_enable="NO"
sshd_enable="NO"
usbd_enable="NO"
# add PPPoE
portmap_enable="NO"
ppp_enable="YES"
ppp_mode="ddial"
ppp_profile="provider"
ppp_nat="NO"
firewall_enable="YES"
firewall_script="/etc/ipfw.conf"
natd_enable="YES"
natd_flags="-dynamic"
natd_interface=tun0"
dcp_drop_synfin="YES"