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 status_cmd="ipfw_status"
21 required_modules="ipfw"
22 extra_commands="status"
24 set_rcvar_obsolete ipv6_firewall_enable
28 if checkyesno dummynet_enable; then
29 required_modules="$required_modules dummynet"
31 if checkyesno natd_enable; then
32 required_modules="$required_modules ipdivert"
34 if checkyesno firewall_nat_enable; then
35 required_modules="$required_modules ipfw_nat"
37 if checkyesno firewall_nat64_enable; then
38 required_modules="$required_modules ipfw_nat64"
40 if checkyesno firewall_nptv6_enable; then
41 required_modules="$required_modules ipfw_nptv6"
43 if checkyesno firewall_pmod_enable; then
44 required_modules="$required_modules ipfw_pmod"
52 if [ -n "${1}" ]; then
55 _firewall_type=${firewall_type}
58 # set the firewall rules script if none was specified
59 [ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
61 if [ -r "${firewall_script}" ]; then
62 /bin/sh "${firewall_script}" "${_firewall_type}"
63 echo 'Firewall rules loaded.'
64 elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
65 echo 'Warning: kernel has firewall functionality, but' \
66 ' firewall rules are not enabled.'
67 echo ' All ip services are disabled.'
72 if checkyesno firewall_logging; then
73 echo 'Firewall logging enabled.'
74 ${SYSCTL} net.inet.ip.fw.verbose=1 >/dev/null
76 if checkyesno firewall_logif; then
78 echo 'Firewall logging pseudo-interface (ipfw0) created.'
86 # Start firewall coscripts
88 for _coscript in ${firewall_coscripts} ; do
89 if [ -f "${_coscript}" ]; then
90 ${_coscript} quietstart
96 if ! ${SYSCTL} net.inet.ip.fw.enable=1 >/dev/null 2>&1; then
97 warn "failed to enable IPv4 firewall"
99 if afexists inet6; then
100 if ! ${SYSCTL} net.inet6.ip6.fw.enable=1 >/dev/null 2>&1
102 warn "failed to enable IPv6 firewall"
111 # Disable the firewall
113 ${SYSCTL} net.inet.ip.fw.enable=0 >/dev/null
114 if afexists inet6; then
115 ${SYSCTL} net.inet6.ip6.fw.enable=0 >/dev/null
118 # Stop firewall coscripts
120 for _coscript in `reverse_list ${firewall_coscripts}` ; do
121 if [ -f "${_coscript}" ]; then
122 ${_coscript} quietstop
129 status=$(sysctl -n net.inet.ip.fw.enable)
130 if [ ${status} -eq 0 ]; then
131 echo "ipfw is not enabled"
134 echo "ipfw is enabled"
140 firewall_coscripts="/etc/rc.d/natd ${firewall_coscripts}"