14 rcvar="firewall_enable"
15 start_cmd="ipfw_start"
16 start_precmd="ipfw_prestart"
17 start_postcmd="ipfw_poststart"
19 required_modules="ipfw"
21 set_rcvar_obsolete ipv6_firewall_enable
25 if checkyesno dummynet_enable; then
26 required_modules="$required_modules dummynet"
28 if checkyesno natd_enable; then
29 required_modules="$required_modules ipdivert"
31 if checkyesno firewall_nat_enable; then
32 required_modules="$required_modules ipfw_nat"
42 # set the firewall rules script if none was specified
43 [ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
45 if [ -r "${firewall_script}" ]; then
46 /bin/sh "${firewall_script}" "${_firewall_type}"
47 echo 'Firewall rules loaded.'
48 elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
49 echo 'Warning: kernel has firewall functionality, but' \
50 ' firewall rules are not enabled.'
51 echo ' All ip services are disabled.'
56 if checkyesno firewall_logging; then
57 echo 'Firewall logging enabled.'
58 sysctl net.inet.ip.fw.verbose=1 >/dev/null
60 if checkyesno firewall_logif; then
62 echo 'Firewall logging pseudo-interface (ipfw0) created.'
70 # Start firewall coscripts
72 for _coscript in ${firewall_coscripts} ; do
73 if [ -f "${_coscript}" ]; then
74 ${_coscript} quietstart
80 if ! ${SYSCTL} net.inet.ip.fw.enable=1 1>/dev/null 2>&1; then
81 warn "failed to enable IPv4 firewall"
83 if afexists inet6; then
84 if ! ${SYSCTL} net.inet6.ip6.fw.enable=1 1>/dev/null 2>&1
86 warn "failed to enable IPv6 firewall"
95 # Disable the firewall
97 ${SYSCTL} net.inet.ip.fw.enable=0
98 if afexists inet6; then
99 ${SYSCTL} net.inet6.ip6.fw.enable=0
102 # Stop firewall coscripts
104 for _coscript in `reverse_list ${firewall_coscripts}` ; do
105 if [ -f "${_coscript}" ]; then
106 ${_coscript} quietstop
112 firewall_coscripts="/etc/rc.d/natd ${firewall_coscripts}"