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91 lines
1.8 KiB
Bash
Executable File
91 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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#
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# $FreeBSD$
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#
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# PROVIDE: ipfw
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# REQUIRE: ppp
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# KEYWORD: nojail
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. /etc/rc.subr
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. /etc/network.subr
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name="ipfw"
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rcvar="firewall_enable"
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start_cmd="ipfw_start"
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start_precmd="ipfw_prestart"
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stop_cmd="ipfw_stop"
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required_modules="ipfw"
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set_rcvar_obsolete ipv6_firewall_enable
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ipfw_prestart()
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{
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if checkyesno dummynet_enable; then
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required_modules="$required_modules dummynet"
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fi
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if checkyesno firewall_nat_enable; then
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if ! checkyesno natd_enable; then
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required_modules="$required_modules ipfw_nat"
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fi
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fi
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}
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ipfw_start()
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{
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local _firewall_type
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_firewall_type=$1
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# set the firewall rules script if none was specified
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[ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
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if [ -r "${firewall_script}" ]; then
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if [ -f /etc/rc.d/natd ] ; then
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/etc/rc.d/natd quietstart
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fi
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/bin/sh "${firewall_script}" "${_firewall_type}"
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echo 'Firewall rules loaded.'
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elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
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echo 'Warning: kernel has firewall functionality, but' \
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' firewall rules are not enabled.'
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echo ' All ip services are disabled.'
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fi
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# Firewall logging
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#
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if checkyesno firewall_logging; then
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echo 'Firewall logging enabled.'
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sysctl net.inet.ip.fw.verbose=1 >/dev/null
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fi
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# Enable the firewall
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#
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if ! ${SYSCTL_W} net.inet.ip.fw.enable=1 1>/dev/null 2>&1; then
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warn "failed to enable IPv4 firewall"
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fi
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if afexists inet6; then
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if ! ${SYSCTL_W} net.inet6.ip6.fw.enable=1 1>/dev/null 2>&1
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then
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warn "failed to enable IPv6 firewall"
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fi
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fi
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}
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ipfw_stop()
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{
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# Disable the firewall
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#
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${SYSCTL_W} net.inet.ip.fw.enable=0
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if afexists inet6; then
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${SYSCTL_W} net.inet6.ip6.fw.enable=0
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fi
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if [ -f /etc/rc.d/natd ] ; then
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/etc/rc.d/natd quietstop
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fi
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}
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load_rc_config $name
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run_rc_command $*
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