Move etc/rc.firewall6 to ipfw2+v6, update related rc.d and periodic scripts.
Since ipfw2 now does dual-stack, statistics for IPv6 come from the ipfw scripts as well.
This commit is contained in:
Max Laier
parent
8a7c7f9cc3
commit
9277da52e1
@ -171,15 +171,9 @@ daily_status_security_pfdenied_enable="YES"
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# 550.ipfwlimit
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daily_status_security_ipfwlimit_enable="YES"
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# 600.ip6fwdenied
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daily_status_security_ip6fwdenied_enable="YES"
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# 610.ipf6denied
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daily_status_security_ipf6denied_enable="YES"
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# 650.ip6fwlimit
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daily_status_security_ip6fwlimit_enable="YES"
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# 700.kernelmsg
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daily_status_security_kernelmsg_enable="YES"
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@ -1,53 +0,0 @@
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#!/bin/sh -
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#
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# Copyright (c) 2001 The FreeBSD Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# If there is a global system configuration file, suck it in.
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#
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if [ -r /etc/defaults/periodic.conf ]
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then
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. /etc/defaults/periodic.conf
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source_periodic_confs
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fi
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. /etc/periodic/security/security.functions
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rc=0
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case "$daily_status_security_ip6fwdenied_enable" in
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[Yy][Ee][Ss])
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TMP=`mktemp -t security`
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if ip6fw -a l 2>/dev/null | egrep "deny|reset|unreach" > ${TMP}; then
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check_diff new_only ip6fw ${TMP} "${host} ip6fw denied packets:"
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fi
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rc=$?
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rm -f ${TMP};;
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*) rc=0;;
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esac
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exit $rc
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@ -1,63 +0,0 @@
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#!/bin/sh -
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#
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# Copyright (c) 2001 The FreeBSD Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# Show ip6fw rules which have reached the log limit
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#
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# If there is a global system configuration file, suck it in.
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#
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if [ -r /etc/defaults/periodic.conf ]
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then
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. /etc/defaults/periodic.conf
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source_periodic_confs
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fi
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rc=0
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case "$daily_status_security_ip6fwlimit_enable" in
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[Yy][Ee][Ss])
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TMP=`mktemp -t security`
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IP6FW_LOG_LIMIT=`sysctl -n net.inet6.ip6.fw.verbose_limit 2> /dev/null`
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if [ $? -eq 0 ] && [ "${IP6FW_LOG_LIMIT}" -ne 0 ]; then
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ip6fw -a l | grep " log " | \
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grep '^[[:digit:]]\+[[:space:]]\+[[:digit:]]\+' | \
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awk -v limit="$IPFW_LOG_LIMIT" \
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'{if ($2 > limit) {print $0}}' > ${TMP}
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if [ -s "${TMP}" ]; then
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rc=1
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echo ""
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echo 'ip6fw log limit reached:'
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cat ${TMP}
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fi
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fi
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rm -f ${TMP};;
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*) rc=0;;
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esac
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exit $rc
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@ -8,8 +8,6 @@ FILES= 100.chksetuid \
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510.ipfdenied \
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520.pfdenied \
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550.ipfwlimit \
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600.ip6fwdenied \
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650.ip6fwlimit \
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700.kernelmsg \
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800.loginfail \
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900.tcpwrap \
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@ -20,7 +20,7 @@ ip6fw_prestart()
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{
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# Load IPv6 firewall module, if not already loaded
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if ! ${SYSCTL} net.inet6.ip6.fw.enable > /dev/null 2>&1; then
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kldload ip6fw && {
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kldload ipfw && {
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debug 'Kernel IPv6 firewall module loaded.'
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return 0
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}
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@ -41,7 +41,7 @@ ip6fw_start()
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if [ -r "${ipv6_firewall_script}" ]; then
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. "${ipv6_firewall_script}"
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echo 'IPv6 Firewall rules loaded.'
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elif [ "`ip6fw l 65535`" = "65535 deny ipv6 from any to any" ]; then
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elif [ "`ipfw show 65535`" = "65535 deny ip from any to any" ]; then
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warn 'IPv6 firewall rules have not been loaded. Default' \
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' to DENY all access.'
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fi
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@ -50,7 +50,7 @@ ip6fw_start()
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#
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if checkyesno ipv6_firewall_logging; then
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echo 'IPv6 Firewall logging=YES'
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sysctl net.inet6.ip6.fw.verbose=1 >/dev/null
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sysctl net.inet.ip.fw.verbose=1 >/dev/null
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fi
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# Enable the firewall
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153
etc/rc.firewall6
153
etc/rc.firewall6
@ -54,17 +54,17 @@ setup_local () {
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############
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# Only in rare cases do you want to change these rules
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#
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${fw6cmd} add 100 pass all from any to any via lo0
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${fw6cmd} add 200 deny all from any to ::1
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${fw6cmd} add 300 deny all from ::1 to any
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${fw6cmd} add 100 pass ip6 from any to any via lo0
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${fw6cmd} add 200 deny ip6 from any to ::1
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${fw6cmd} add 300 deny ip6 from ::1 to any
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#
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# ND
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#
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# DAD
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${fw6cmd} add pass ipv6-icmp from :: to ff02::/16
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${fw6cmd} add pass ip6 from :: to ff02::/16 proto ipv6-icmp
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# RS, RA, NS, NA, redirect...
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${fw6cmd} add pass ipv6-icmp from fe80::/10 to fe80::/10
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${fw6cmd} add pass ipv6-icmp from fe80::/10 to ff02::/16
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${fw6cmd} add pass ip6 from fe80::/10 to fe80::/10 proto ipv6-icmp
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${fw6cmd} add pass ip6 from fe80::/10 to ff02::/16 proto ipv6-icmp
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}
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if [ -n "${1}" ]; then
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@ -76,10 +76,10 @@ fi
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#
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case ${ipv6_firewall_quiet} in
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[Yy][Ee][Ss])
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fw6cmd="/sbin/ip6fw -q"
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fw6cmd="/sbin/ipfw -q"
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;;
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*)
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fw6cmd="/sbin/ip6fw"
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fw6cmd="/sbin/ipfw"
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;;
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esac
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@ -102,7 +102,7 @@ ${fw6cmd} -f flush
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case ${ipv6_firewall_type} in
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[Oo][Pp][Ee][Nn])
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setup_local
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${fw6cmd} add 65000 pass all from any to any
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${fw6cmd} add 65000 pass ip6 from any to any
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;;
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[Cc][Ll][Ii][Ee][Nn][Tt])
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@ -122,41 +122,42 @@ case ${ipv6_firewall_type} in
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setup_local
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# Allow any traffic to or from my own net.
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${fw6cmd} add pass all from ${ip} to ${net}/${prefixlen}
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${fw6cmd} add pass all from ${net}/${prefixlen} to ${ip}
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${fw6cmd} add pass ip6 from ${ip} to ${net}/${prefixlen}
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${fw6cmd} add pass ip6 from ${net}/${prefixlen} to ${ip}
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# Allow any link-local multicast traffic
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${fw6cmd} add pass all from fe80::/10 to ff02::/16
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${fw6cmd} add pass all from ${net}/${prefixlen} to ff02::/16
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${fw6cmd} add pass ip6 from fe80::/10 to ff02::/16
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${fw6cmd} add pass ip6 from ${net}/${prefixlen} to ff02::/16
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# Allow TCP through if setup succeeded
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${fw6cmd} add pass tcp from any to any established
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${fw6cmd} add pass ip6 from any to any established proto tcp
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# Allow IP fragments to pass through
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${fw6cmd} add pass all from any to any frag
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${fw6cmd} add pass ip6 from any to any frag
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# Allow setup of incoming email
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${fw6cmd} add pass tcp from any to ${ip} 25 setup
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${fw6cmd} add pass ip6 from any to ${ip} 25 setup proto tcp
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# Allow setup of outgoing TCP connections only
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${fw6cmd} add pass tcp from ${ip} to any setup
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${fw6cmd} add pass ip6 from ${ip} to any setup proto tcp
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# Disallow setup of all other TCP connections
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${fw6cmd} add deny tcp from any to any setup
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${fw6cmd} add deny ip6 from any to any setup proto tcp
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# Allow DNS queries out in the world
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${fw6cmd} add pass udp from any 53 to ${ip}
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${fw6cmd} add pass udp from ${ip} to any 53
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${fw6cmd} add pass ip6 from any 53 to ${ip} proto udp
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${fw6cmd} add pass ip6 from ${ip} to any 53 proto udp
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# Allow NTP queries out in the world
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${fw6cmd} add pass udp from any 123 to ${ip}
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${fw6cmd} add pass udp from ${ip} to any 123
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${fw6cmd} add pass ip6 from any 123 to ${ip} proto udp
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${fw6cmd} add pass ip6 from ${ip} to any 123 proto udp
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# Allow ICMPv6 destination unreach
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${fw6cmd} add pass ipv6-icmp from any to any icmptypes 1
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${fw6cmd} add pass ip6 from any to any icmp6types 1 proto ipv6-icmp
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# Allow NS/NA/toobig (don't filter it out)
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${fw6cmd} add pass ipv6-icmp from any to any icmptypes 2,135,136
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${fw6cmd} add pass ip6 from any to any icmp6types 2,135,136 \
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proto ipv6-icmp
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# Everything else is denied by default, unless the
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# IPV6FIREWALL_DEFAULT_TO_ACCEPT option is set in your kernel
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@ -185,94 +186,96 @@ case ${ipv6_firewall_type} in
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setup_local
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# Stop spoofing
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${fw6cmd} add deny all from ${inet}/${iprefixlen} to any in via ${oif}
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${fw6cmd} add deny all from ${onet}/${oprefixlen} to any in via ${iif}
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${fw6cmd} add deny ip6 from ${inet}/${iprefixlen} to any in via ${oif}
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${fw6cmd} add deny ip6 from ${onet}/${oprefixlen} to any in via ${iif}
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# Stop unique local unicast address on the outside interface
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${fw6cmd} add deny all from fc00::/7 to any via ${oif}
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${fw6cmd} add deny all from any to fc00::/7 via ${oif}
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${fw6cmd} add deny ip6 from fc00::/7 to any via ${oif}
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${fw6cmd} add deny ip6 from any to fc00::/7 via ${oif}
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# Stop site-local on the outside interface
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${fw6cmd} add deny all from fec0::/10 to any via ${oif}
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${fw6cmd} add deny all from any to fec0::/10 via ${oif}
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${fw6cmd} add deny ip6 from fec0::/10 to any via ${oif}
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${fw6cmd} add deny ip6 from any to fec0::/10 via ${oif}
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# Disallow "internal" addresses to appear on the wire.
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${fw6cmd} add deny all from ::ffff:0.0.0.0/96 to any via ${oif}
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${fw6cmd} add deny all from any to ::ffff:0.0.0.0/96 via ${oif}
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${fw6cmd} add deny ip6 from ::ffff:0.0.0.0/96 to any via ${oif}
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${fw6cmd} add deny ip6 from any to ::ffff:0.0.0.0/96 via ${oif}
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# Disallow packets to malicious IPv4 compatible prefix.
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${fw6cmd} add deny all from ::224.0.0.0/100 to any via ${oif}
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${fw6cmd} add deny all from any to ::224.0.0.0/100 via ${oif}
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${fw6cmd} add deny all from ::127.0.0.0/104 to any via ${oif}
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${fw6cmd} add deny all from any to ::127.0.0.0/104 via ${oif}
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${fw6cmd} add deny all from ::0.0.0.0/104 to any via ${oif}
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${fw6cmd} add deny all from any to ::0.0.0.0/104 via ${oif}
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${fw6cmd} add deny all from ::255.0.0.0/104 to any via ${oif}
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${fw6cmd} add deny all from any to ::255.0.0.0/104 via ${oif}
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${fw6cmd} add deny ip6 from ::224.0.0.0/100 to any via ${oif}
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${fw6cmd} add deny ip6 from any to ::224.0.0.0/100 via ${oif}
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${fw6cmd} add deny ip6 from ::127.0.0.0/104 to any via ${oif}
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${fw6cmd} add deny ip6 from any to ::127.0.0.0/104 via ${oif}
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${fw6cmd} add deny ip6 from ::0.0.0.0/104 to any via ${oif}
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${fw6cmd} add deny ip6 from any to ::0.0.0.0/104 via ${oif}
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${fw6cmd} add deny ip6 from ::255.0.0.0/104 to any via ${oif}
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${fw6cmd} add deny ip6 from any to ::255.0.0.0/104 via ${oif}
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${fw6cmd} add deny all from ::0.0.0.0/96 to any via ${oif}
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${fw6cmd} add deny all from any to ::0.0.0.0/96 via ${oif}
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${fw6cmd} add deny ip6 from ::0.0.0.0/96 to any via ${oif}
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${fw6cmd} add deny ip6 from any to ::0.0.0.0/96 via ${oif}
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# Disallow packets to malicious 6to4 prefix.
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${fw6cmd} add deny all from 2002:e000::/20 to any via ${oif}
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${fw6cmd} add deny all from any to 2002:e000::/20 via ${oif}
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${fw6cmd} add deny all from 2002:7f00::/24 to any via ${oif}
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${fw6cmd} add deny all from any to 2002:7f00::/24 via ${oif}
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${fw6cmd} add deny all from 2002:0000::/24 to any via ${oif}
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${fw6cmd} add deny all from any to 2002:0000::/24 via ${oif}
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${fw6cmd} add deny all from 2002:ff00::/24 to any via ${oif}
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${fw6cmd} add deny all from any to 2002:ff00::/24 via ${oif}
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${fw6cmd} add deny ip6 from 2002:e000::/20 to any via ${oif}
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${fw6cmd} add deny ip6 from any to 2002:e000::/20 via ${oif}
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${fw6cmd} add deny ip6 from 2002:7f00::/24 to any via ${oif}
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${fw6cmd} add deny ip6 from any to 2002:7f00::/24 via ${oif}
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${fw6cmd} add deny ip6 from 2002:0000::/24 to any via ${oif}
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${fw6cmd} add deny ip6 from any to 2002:0000::/24 via ${oif}
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${fw6cmd} add deny ip6 from 2002:ff00::/24 to any via ${oif}
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${fw6cmd} add deny ip6 from any to 2002:ff00::/24 via ${oif}
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${fw6cmd} add deny all from 2002:0a00::/24 to any via ${oif}
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${fw6cmd} add deny all from any to 2002:0a00::/24 via ${oif}
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${fw6cmd} add deny all from 2002:ac10::/28 to any via ${oif}
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${fw6cmd} add deny all from any to 2002:ac10::/28 via ${oif}
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${fw6cmd} add deny all from 2002:c0a8::/32 to any via ${oif}
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${fw6cmd} add deny all from any to 2002:c0a8::/32 via ${oif}
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${fw6cmd} add deny ip6 from 2002:0a00::/24 to any via ${oif}
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${fw6cmd} add deny ip6 from any to 2002:0a00::/24 via ${oif}
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${fw6cmd} add deny ip6 from 2002:ac10::/28 to any via ${oif}
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${fw6cmd} add deny ip6 from any to 2002:ac10::/28 via ${oif}
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${fw6cmd} add deny ip6 from 2002:c0a8::/32 to any via ${oif}
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${fw6cmd} add deny ip6 from any to 2002:c0a8::/32 via ${oif}
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${fw6cmd} add deny all from ff05::/16 to any via ${oif}
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${fw6cmd} add deny all from any to ff05::/16 via ${oif}
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${fw6cmd} add deny ip6 from ff05::/16 to any via ${oif}
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${fw6cmd} add deny ip6 from any to ff05::/16 via ${oif}
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# Allow TCP through if setup succeeded
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${fw6cmd} add pass tcp from any to any established
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# Allow IP fragments to pass through
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${fw6cmd} add pass all from any to any frag
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${fw6cmd} add pass ip6 from any to any frag
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# Allow setup of incoming email
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${fw6cmd} add pass tcp from any to ${oip} 25 setup
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${fw6cmd} add pass ip6 from any to ${oip} 25 setup proto tcp
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# Allow access to our DNS
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${fw6cmd} add pass tcp from any to ${oip} 53 setup
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${fw6cmd} add pass udp from any to ${oip} 53
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${fw6cmd} add pass udp from ${oip} 53 to any
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${fw6cmd} add pass ip6 from any to ${oip} 53 setup proto tcp
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${fw6cmd} add pass ip6 from any to ${oip} 53 proto udp
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${fw6cmd} add pass ip6 from ${oip} 53 to any proto udp
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# Allow access to our WWW
|
||||
${fw6cmd} add pass tcp from any to ${oip} 80 setup
|
||||
${fw6cmd} add pass ip6 from any to ${oip} 80 setup proto tcp
|
||||
|
||||
# Reject&Log all setup of incoming connections from the outside
|
||||
${fw6cmd} add deny log tcp from any to any in via ${oif} setup
|
||||
${fw6cmd} add deny log ip6 from any to any in via ${oif} setup \
|
||||
proto tcp
|
||||
|
||||
# Allow setup of any other TCP connection
|
||||
${fw6cmd} add pass tcp from any to any setup
|
||||
${fw6cmd} add pass ip6 from any to any setup proto tcp
|
||||
|
||||
# Allow DNS queries out in the world
|
||||
${fw6cmd} add pass udp from any 53 to ${oip}
|
||||
${fw6cmd} add pass udp from ${oip} to any 53
|
||||
${fw6cmd} add pass ip6 from any 53 to ${oip} proto udp
|
||||
${fw6cmd} add pass ip6 from ${oip} to any 53 proto udp
|
||||
|
||||
# Allow NTP queries out in the world
|
||||
${fw6cmd} add pass udp from any 123 to ${oip}
|
||||
${fw6cmd} add pass udp from ${oip} to any 123
|
||||
${fw6cmd} add pass ip6 from any 123 to ${oip} proto udp
|
||||
${fw6cmd} add pass ip6 from ${oip} to any 123 proto udp
|
||||
|
||||
# Allow RIPng
|
||||
#${fw6cmd} add pass udp from fe80::/10 521 to ff02::9 521
|
||||
#${fw6cmd} add pass udp from fe80::/10 521 to fe80::/10 521
|
||||
#${fw6cmd} add pass ip6 from fe80::/10 521 to ff02::9 521 proto udp
|
||||
#${fw6cmd} add pass ip6 from fe80::/10 521 to fe80::/10 521 proto udp
|
||||
|
||||
# Allow ICMPv6 destination unreach
|
||||
${fw6cmd} add pass ipv6-icmp from any to any icmptypes 1
|
||||
${fw6cmd} add pass ip6 from any to any icmp6types 1 proto ipv6-icmp
|
||||
|
||||
# Allow NS/NA/toobig (don't filter it out)
|
||||
${fw6cmd} add pass ipv6-icmp from any to any icmptypes 2,135,136
|
||||
${fw6cmd} add pass ip6 from any to any icmp6types 2,135,136 \
|
||||
proto ipv6-icmp
|
||||
|
||||
# Everything else is denied by default, unless the
|
||||
# IPV6FIREWALL_DEFAULT_TO_ACCEPT option is set in your kernel
|
||||
@ -281,7 +284,7 @@ case ${ipv6_firewall_type} in
|
||||
|
||||
[Cc][Ll][Oo][Ss][Ee][Dd])
|
||||
# Only enable the loopback interface
|
||||
${fw6cmd} add 100 pass all from any to any via lo0
|
||||
${fw6cmd} add 100 pass ip6 from any to any via lo0
|
||||
;;
|
||||
[Uu][Nn][Kk][Nn][Oo][Ww][Nn])
|
||||
;;
|
||||
|
||||
@ -536,20 +536,6 @@ Set to
|
||||
to display
|
||||
.Xr ipfw 8
|
||||
rules that have reached their verbosity limit.
|
||||
.It Va daily_status_security_ip6fwdenied_enable
|
||||
.Pq Vt bool
|
||||
Set to
|
||||
.Dq YES
|
||||
to show log entries for packets denied by
|
||||
.Xr ip6fw 8
|
||||
since yesterday's check.
|
||||
.It Va daily_status_security_ip6fwlimit_enable
|
||||
.Pq Vt bool
|
||||
Set to
|
||||
.Dq YES
|
||||
to display
|
||||
.Xr ip6fw 8
|
||||
rules that have reached their verbosity limit.
|
||||
.It Va daily_status_security_kernelmsg_enable
|
||||
.Pq Vt bool
|
||||
Set to
|
||||
|
||||
@ -402,7 +402,7 @@ to load IPv6 firewall rules at startup.
|
||||
If the kernel was not built with
|
||||
.Cd "options IPV6FIREWALL" ,
|
||||
the
|
||||
.Pa ip6fw.ko
|
||||
.Pa ipfw.ko
|
||||
kernel module will be loaded.
|
||||
.It Va firewall_script
|
||||
.Pq Vt str
|
||||
|
||||
Loading…
Reference in New Issue
Block a user