14 desc="Firewall, traffic shaper, packet scheduler, in-kernel NAT"
15 rcvar="firewall_enable"
16 start_cmd="ipfw_start"
17 start_precmd="ipfw_prestart"
18 start_postcmd="ipfw_poststart"
20 required_modules="ipfw"
22 set_rcvar_obsolete ipv6_firewall_enable
26 if checkyesno dummynet_enable; then
27 required_modules="$required_modules dummynet"
29 if checkyesno natd_enable; then
30 required_modules="$required_modules ipdivert"
32 if checkyesno firewall_nat_enable; then
33 required_modules="$required_modules ipfw_nat"
43 # set the firewall rules script if none was specified
44 [ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
46 if [ -r "${firewall_script}" ]; then
47 /bin/sh "${firewall_script}" "${_firewall_type}"
48 echo 'Firewall rules loaded.'
49 elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
50 echo 'Warning: kernel has firewall functionality, but' \
51 ' firewall rules are not enabled.'
52 echo ' All ip services are disabled.'
57 if checkyesno firewall_logging; then
58 echo 'Firewall logging enabled.'
59 ${SYSCTL} net.inet.ip.fw.verbose=1 >/dev/null
61 if checkyesno firewall_logif; then
63 echo 'Firewall logging pseudo-interface (ipfw0) created.'
71 # Start firewall coscripts
73 for _coscript in ${firewall_coscripts} ; do
74 if [ -f "${_coscript}" ]; then
75 ${_coscript} quietstart
81 if ! ${SYSCTL} net.inet.ip.fw.enable=1 >/dev/null 2>&1; then
82 warn "failed to enable IPv4 firewall"
84 if afexists inet6; then
85 if ! ${SYSCTL} net.inet6.ip6.fw.enable=1 >/dev/null 2>&1
87 warn "failed to enable IPv6 firewall"
96 # Disable the firewall
98 ${SYSCTL} net.inet.ip.fw.enable=0 >/dev/null
99 if afexists inet6; then
100 ${SYSCTL} net.inet6.ip6.fw.enable=0 >/dev/null
103 # Stop firewall coscripts
105 for _coscript in `reverse_list ${firewall_coscripts}` ; do
106 if [ -f "${_coscript}" ]; then
107 ${_coscript} quietstop
113 firewall_coscripts="/etc/rc.d/natd ${firewall_coscripts}"