another four IPv6 scenarios fully demonstrate ip6tables firewall use
This commit is contained in:
@@ -1,3 +1,5 @@
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An IPv6 ESP connection between the hosts <b>moon</b> and <b>sun</b> is successfully set up.
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The authentication is based on X.509 certificates. In order to test the host-to-host tunnel
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<b>moon</b> sends an IPv6 ICMP request to <b>sun</b> using the ping6 command.
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The authentication is based on X.509 certificates. Upon the successful establishment of
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the IPsec tunnel, <b>leftfirewall=yes</b> automatically inserts ip6tables-based firewall
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rules that let pass the tunneled traffic. In order to test both the host-to-host tunnel
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and the firewall rules, <b>moon</b> sends an IPv6 ICMP request to <b>sun</b> using the ping6 command.
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@@ -0,0 +1,107 @@
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#!/sbin/runscript
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# Copyright 1999-2004 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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opts="start stop reload"
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depend() {
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before net
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need logger
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}
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start() {
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ebegin "Starting firewall"
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# enable IP forwarding
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echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
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echo 1 > /proc/sys/net/ipv4/ip_forward
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# default policy is DROP
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/sbin/iptables -P INPUT DROP
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/sbin/iptables -P OUTPUT DROP
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/sbin/iptables -P FORWARD DROP
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/sbin/ip6tables -P INPUT DROP
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/sbin/ip6tables -P OUTPUT DROP
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/sbin/ip6tables -P FORWARD DROP
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# allow esp
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ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
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# allow IKE
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ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
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# allow MobIKE
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ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
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# allow last UDP fragment
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ip6tables -A INPUT -i eth0 -p udp -m frag --fraglast -j ACCEPT
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# allow ICMPv6 neighbor-solicitations
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ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
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ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
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# allow ICMPv6 neighbor-advertisements
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ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
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ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
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# allow crl fetch from winnetou
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iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
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iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
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# allow ssh
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iptables -A INPUT -p tcp --dport 22 -j ACCEPT
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iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
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# log dropped packets
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ip6tables -A INPUT -j LOG --log-prefix " IN: "
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ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
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eend $?
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}
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stop() {
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ebegin "Stopping firewall"
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for a in `cat /proc/net/ip_tables_names`; do
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/sbin/ip6tables -F -t $a
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/sbin/ip6tables -X -t $a
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/sbin/ipables -F -t $a
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/sbin/iptables -X -t $a
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if [ $a == nat ]; then
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/sbin/iptables -t nat -P PREROUTING ACCEPT
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/sbin/iptables -t nat -P POSTROUTING ACCEPT
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/sbin/iptables -t nat -P OUTPUT ACCEPT
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elif [ $a == mangle ]; then
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/sbin/iptables -t mangle -P PREROUTING ACCEPT
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/sbin/iptables -t mangle -P INPUT ACCEPT
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/sbin/iptables -t mangle -P FORWARD ACCEPT
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/sbin/iptables -t mangle -P OUTPUT ACCEPT
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/sbin/iptables -t mangle -P POSTROUTING ACCEPT
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elif [ $a == filter ]; then
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/sbin/ip6tables -t filter -P INPUT ACCEPT
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/sbin/ip6tables -t filter -P FORWARD ACCEPT
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/sbin/ip6tables -t filter -P OUTPUT ACCEPT
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/sbin/iptables -t filter -P INPUT ACCEPT
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/sbin/iptables -t filter -P FORWARD ACCEPT
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/sbin/iptables -t filter -P OUTPUT ACCEPT
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fi
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done
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eend $?
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}
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reload() {
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ebegin "Flushing firewall"
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for a in `cat /proc/net/ip_tables_names`; do
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/sbin/ip6tables -F -t $a
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/sbin/ip6tables -X -t $a
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done;
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eend $?
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start
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}
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@@ -2,6 +2,7 @@
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config setup
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strictcrlpolicy=no
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crlcheckinterval=180
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plutostart=no
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conn %default
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@@ -0,0 +1,107 @@
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#!/sbin/runscript
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# Copyright 1999-2004 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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opts="start stop reload"
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depend() {
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before net
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need logger
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}
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start() {
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ebegin "Starting firewall"
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# enable IP forwarding
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echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
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echo 1 > /proc/sys/net/ipv4/ip_forward
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# default policy is DROP
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/sbin/iptables -P INPUT DROP
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/sbin/iptables -P OUTPUT DROP
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/sbin/iptables -P FORWARD DROP
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/sbin/ip6tables -P INPUT DROP
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/sbin/ip6tables -P OUTPUT DROP
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/sbin/ip6tables -P FORWARD DROP
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# allow esp
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ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
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# allow IKE
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ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
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# allow MobIKE
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ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
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# allow last UDP fragment
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ip6tables -A INPUT -i eth0 -p udp -m frag --fraglast -j ACCEPT
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# allow ICMPv6 neighbor-solicitations
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ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
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ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
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# allow ICMPv6 neighbor-advertisements
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ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
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ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
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# allow crl fetch from winnetou
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iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
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iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
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# allow ssh
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iptables -A INPUT -p tcp --dport 22 -j ACCEPT
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iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
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# log dropped packets
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ip6tables -A INPUT -j LOG --log-prefix " IN: "
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ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
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eend $?
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}
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stop() {
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ebegin "Stopping firewall"
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for a in `cat /proc/net/ip_tables_names`; do
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/sbin/ip6tables -F -t $a
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/sbin/ip6tables -X -t $a
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/sbin/ipables -F -t $a
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/sbin/iptables -X -t $a
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if [ $a == nat ]; then
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/sbin/iptables -t nat -P PREROUTING ACCEPT
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/sbin/iptables -t nat -P POSTROUTING ACCEPT
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/sbin/iptables -t nat -P OUTPUT ACCEPT
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elif [ $a == mangle ]; then
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/sbin/iptables -t mangle -P PREROUTING ACCEPT
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/sbin/iptables -t mangle -P INPUT ACCEPT
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/sbin/iptables -t mangle -P FORWARD ACCEPT
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/sbin/iptables -t mangle -P OUTPUT ACCEPT
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/sbin/iptables -t mangle -P POSTROUTING ACCEPT
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elif [ $a == filter ]; then
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/sbin/ip6tables -t filter -P INPUT ACCEPT
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/sbin/ip6tables -t filter -P FORWARD ACCEPT
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/sbin/ip6tables -t filter -P OUTPUT ACCEPT
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/sbin/iptables -t filter -P INPUT ACCEPT
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/sbin/iptables -t filter -P FORWARD ACCEPT
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/sbin/iptables -t filter -P OUTPUT ACCEPT
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fi
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done
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eend $?
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}
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reload() {
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ebegin "Flushing firewall"
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for a in `cat /proc/net/ip_tables_names`; do
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/sbin/ip6tables -F -t $a
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/sbin/ip6tables -X -t $a
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done;
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eend $?
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start
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}
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@@ -2,6 +2,7 @@
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config setup
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strictcrlpolicy=no
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crlcheckinterval=180
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plutostart=no
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conn %default
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@@ -1,2 +1,4 @@
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moon::ipsec stop
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sun::ipsec stop
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moon::/etc/init.d/iptables stop 2> /dev/null
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sun::/etc/init.d/iptables stop 2> /dev/null
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@@ -1,3 +1,5 @@
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moon::/etc/init.d/iptables start 2> /dev/null
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sun::/etc/init.d/iptables start 2> /dev/null
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moon::ipsec start
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sun::ipsec start
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moon::sleep 2
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@@ -1,4 +1,6 @@
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An IPv6 ESP tunnel connection between the gateways <b>moon</b> and <b>sun</b> is successfully set up.
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It connects the two subnets hiding behind their respective gateways. The authentication is based on
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X.509 certificates. In order to test the net-to-net tunnel client <b>alice</b> behind <b>moon</b>
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X.509 certificates. Upon the successful establishment of the IPsec tunnel, <b>leftfirewall=yes</b>
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automatically inserts ip6tables-based firewall rules that let pass the tunneled traffic.
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In order to test both the net-to-net tunnel and the firewall rules, client <b>alice</b> behind <b>moon</b>
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sends an IPv6 ICMP request to client <b>bob</b> behind <b>sun</b> using the ping6 command.
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@@ -0,0 +1,107 @@
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#!/sbin/runscript
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# Copyright 1999-2004 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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opts="start stop reload"
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depend() {
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before net
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need logger
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}
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start() {
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ebegin "Starting firewall"
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# enable IP forwarding
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echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
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echo 1 > /proc/sys/net/ipv4/ip_forward
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# default policy is DROP
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/sbin/iptables -P INPUT DROP
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/sbin/iptables -P OUTPUT DROP
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/sbin/iptables -P FORWARD DROP
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/sbin/ip6tables -P INPUT DROP
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/sbin/ip6tables -P OUTPUT DROP
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/sbin/ip6tables -P FORWARD DROP
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# allow esp
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ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
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# allow IKE
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ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
|
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ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
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# allow MobIKE
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ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
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# allow last UDP fragment
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ip6tables -A INPUT -i eth0 -p udp -m frag --fraglast -j ACCEPT
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# allow ICMPv6 neighbor-solicitations
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ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
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ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
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# allow ICMPv6 neighbor-advertisements
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ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
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ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
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# allow crl fetch from winnetou
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iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
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iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
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# allow ssh
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iptables -A INPUT -p tcp --dport 22 -j ACCEPT
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iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
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# log dropped packets
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ip6tables -A INPUT -j LOG --log-prefix " IN: "
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ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
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eend $?
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}
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stop() {
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ebegin "Stopping firewall"
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for a in `cat /proc/net/ip_tables_names`; do
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/sbin/ip6tables -F -t $a
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/sbin/ip6tables -X -t $a
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/sbin/ipables -F -t $a
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/sbin/iptables -X -t $a
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if [ $a == nat ]; then
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/sbin/iptables -t nat -P PREROUTING ACCEPT
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/sbin/iptables -t nat -P POSTROUTING ACCEPT
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/sbin/iptables -t nat -P OUTPUT ACCEPT
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elif [ $a == mangle ]; then
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/sbin/iptables -t mangle -P PREROUTING ACCEPT
|
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/sbin/iptables -t mangle -P INPUT ACCEPT
|
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/sbin/iptables -t mangle -P FORWARD ACCEPT
|
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/sbin/iptables -t mangle -P OUTPUT ACCEPT
|
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/sbin/iptables -t mangle -P POSTROUTING ACCEPT
|
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elif [ $a == filter ]; then
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/sbin/ip6tables -t filter -P INPUT ACCEPT
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/sbin/ip6tables -t filter -P FORWARD ACCEPT
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/sbin/ip6tables -t filter -P OUTPUT ACCEPT
|
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/sbin/iptables -t filter -P INPUT ACCEPT
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/sbin/iptables -t filter -P FORWARD ACCEPT
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/sbin/iptables -t filter -P OUTPUT ACCEPT
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fi
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done
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eend $?
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}
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reload() {
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ebegin "Flushing firewall"
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for a in `cat /proc/net/ip_tables_names`; do
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/sbin/ip6tables -F -t $a
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/sbin/ip6tables -X -t $a
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done;
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eend $?
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start
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||||
}
|
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|
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@@ -2,6 +2,7 @@
|
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|
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config setup
|
||||
strictcrlpolicy=no
|
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crlcheckinterval=180
|
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plutostart=no
|
||||
|
||||
conn %default
|
||||
@@ -25,4 +26,3 @@ conn host-host
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right=PH_IP6_SUN
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[email protected]
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auto=add
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||||
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|
||||
@@ -0,0 +1,107 @@
|
||||
#!/sbin/runscript
|
||||
# Copyright 1999-2004 Gentoo Foundation
|
||||
# Distributed under the terms of the GNU General Public License v2
|
||||
|
||||
opts="start stop reload"
|
||||
|
||||
depend() {
|
||||
before net
|
||||
need logger
|
||||
}
|
||||
|
||||
start() {
|
||||
ebegin "Starting firewall"
|
||||
|
||||
# enable IP forwarding
|
||||
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
|
||||
echo 1 > /proc/sys/net/ipv4/ip_forward
|
||||
|
||||
# default policy is DROP
|
||||
/sbin/iptables -P INPUT DROP
|
||||
/sbin/iptables -P OUTPUT DROP
|
||||
/sbin/iptables -P FORWARD DROP
|
||||
|
||||
/sbin/ip6tables -P INPUT DROP
|
||||
/sbin/ip6tables -P OUTPUT DROP
|
||||
/sbin/ip6tables -P FORWARD DROP
|
||||
|
||||
# allow esp
|
||||
ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
|
||||
|
||||
# allow IKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
|
||||
|
||||
# allow MobIKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
|
||||
|
||||
# allow last UDP fragment
|
||||
ip6tables -A INPUT -i eth0 -p udp -m frag --fraglast -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-solicitations
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-advertisements
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
|
||||
# allow crl fetch from winnetou
|
||||
iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
|
||||
iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
|
||||
|
||||
# allow ssh
|
||||
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
|
||||
iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
|
||||
|
||||
# log dropped packets
|
||||
ip6tables -A INPUT -j LOG --log-prefix " IN: "
|
||||
ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
|
||||
|
||||
eend $?
|
||||
}
|
||||
|
||||
stop() {
|
||||
ebegin "Stopping firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
|
||||
/sbin/ipables -F -t $a
|
||||
/sbin/iptables -X -t $a
|
||||
|
||||
if [ $a == nat ]; then
|
||||
/sbin/iptables -t nat -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P POSTROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P OUTPUT ACCEPT
|
||||
elif [ $a == mangle ]; then
|
||||
/sbin/iptables -t mangle -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t mangle -P INPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P FORWARD ACCEPT
|
||||
/sbin/iptables -t mangle -P OUTPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P POSTROUTING ACCEPT
|
||||
elif [ $a == filter ]; then
|
||||
/sbin/ip6tables -t filter -P INPUT ACCEPT
|
||||
/sbin/ip6tables -t filter -P FORWARD ACCEPT
|
||||
/sbin/ip6tables -t filter -P OUTPUT ACCEPT
|
||||
|
||||
/sbin/iptables -t filter -P INPUT ACCEPT
|
||||
/sbin/iptables -t filter -P FORWARD ACCEPT
|
||||
/sbin/iptables -t filter -P OUTPUT ACCEPT
|
||||
fi
|
||||
done
|
||||
eend $?
|
||||
}
|
||||
|
||||
reload() {
|
||||
ebegin "Flushing firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
done;
|
||||
eend $?
|
||||
start
|
||||
}
|
||||
|
||||
@@ -2,6 +2,7 @@
|
||||
|
||||
config setup
|
||||
strictcrlpolicy=no
|
||||
crlcheckinterval=180
|
||||
plutostart=no
|
||||
|
||||
conn %default
|
||||
|
||||
@@ -4,3 +4,5 @@ alice::"ip route del fec2:\:/16 via fec1:\:1"
|
||||
moon::"ip route del fec2:\:/16 via fec0:\:2"
|
||||
sun::"ip route del fec1:\:/16 via fec0:\:1"
|
||||
bob::"ip route del fec1:\:/16 via fec2:\:1"
|
||||
moon::/etc/init.d/iptables stop 2> /dev/null
|
||||
sun::/etc/init.d/iptables stop 2> /dev/null
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
moon::echo "1" >/proc/sys/net/ipv6/conf/all/forwarding
|
||||
sun::echo "1" >/proc/sys/net/ipv6/conf/all/forwarding
|
||||
moon::/etc/init.d/iptables start 2> /dev/null
|
||||
sun::/etc/init.d/iptables start 2> /dev/null
|
||||
alice::"ip route add fec2:\:/16 via fec1:\:1"
|
||||
moon::"ip route add fec2:\:/16 via fec0:\:2"
|
||||
sun::"ip route add fec1:\:/16 via fec0:\:1"
|
||||
|
||||
@@ -1,5 +1,7 @@
|
||||
The roadwarrior <b>carol</b> sets up a connection to gateway <b>moon</b>.
|
||||
The authentication is based on <b>X.509 certificates</b>.
|
||||
In order to test the IPv6 ESP tunnel, <b>carol</b> sends an IPv6 ICMP request
|
||||
to the client <b>alice</b> behind the gateway <b>moon</b> using the ping6
|
||||
command.
|
||||
The authentication is based on <b>X.509 certificates</b>. Upon the successful
|
||||
establishment of the IPsec tunnel, <b>leftfirewall=yes</b> automatically inserts
|
||||
ip6tables-based firewall rules that let pass the tunneled traffic.
|
||||
In order to test both the IPv6 ESP tunnel and the firewall rules, <b>carol</b>
|
||||
sends an IPv6 ICMP request to the client <b>alice</b> behind the gateway <b>moon</b>
|
||||
using the ping6 command.
|
||||
|
||||
+100
@@ -0,0 +1,100 @@
|
||||
#!/sbin/runscript
|
||||
# Copyright 1999-2004 Gentoo Foundation
|
||||
# Distributed under the terms of the GNU General Public License v2
|
||||
|
||||
opts="start stop reload"
|
||||
|
||||
depend() {
|
||||
before net
|
||||
need logger
|
||||
}
|
||||
|
||||
start() {
|
||||
ebegin "Starting firewall"
|
||||
|
||||
# enable IP forwarding
|
||||
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
|
||||
echo 1 > /proc/sys/net/ipv4/ip_forward
|
||||
|
||||
# default policy is DROP
|
||||
/sbin/iptables -P INPUT DROP
|
||||
/sbin/iptables -P OUTPUT DROP
|
||||
/sbin/iptables -P FORWARD DROP
|
||||
|
||||
/sbin/ip6tables -P INPUT DROP
|
||||
/sbin/ip6tables -P OUTPUT DROP
|
||||
/sbin/ip6tables -P FORWARD DROP
|
||||
|
||||
# allow esp
|
||||
ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
|
||||
|
||||
# allow IKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
|
||||
|
||||
# allow MobIKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-solicitations
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-advertisements
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
|
||||
# allow crl fetch from winnetou
|
||||
iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
|
||||
iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
|
||||
|
||||
# allow ssh
|
||||
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
|
||||
iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
|
||||
|
||||
eend $?
|
||||
}
|
||||
|
||||
stop() {
|
||||
ebegin "Stopping firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
|
||||
/sbin/ipables -F -t $a
|
||||
/sbin/iptables -X -t $a
|
||||
|
||||
if [ $a == nat ]; then
|
||||
/sbin/iptables -t nat -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P POSTROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P OUTPUT ACCEPT
|
||||
elif [ $a == mangle ]; then
|
||||
/sbin/iptables -t mangle -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t mangle -P INPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P FORWARD ACCEPT
|
||||
/sbin/iptables -t mangle -P OUTPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P POSTROUTING ACCEPT
|
||||
elif [ $a == filter ]; then
|
||||
/sbin/ip6tables -t filter -P INPUT ACCEPT
|
||||
/sbin/ip6tables -t filter -P FORWARD ACCEPT
|
||||
/sbin/ip6tables -t filter -P OUTPUT ACCEPT
|
||||
|
||||
/sbin/iptables -t filter -P INPUT ACCEPT
|
||||
/sbin/iptables -t filter -P FORWARD ACCEPT
|
||||
/sbin/iptables -t filter -P OUTPUT ACCEPT
|
||||
fi
|
||||
done
|
||||
eend $?
|
||||
}
|
||||
|
||||
reload() {
|
||||
ebegin "Flushing firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
done;
|
||||
eend $?
|
||||
start
|
||||
}
|
||||
|
||||
@@ -17,6 +17,7 @@ conn home
|
||||
leftnexthop=0::0
|
||||
leftcert=carolCert.pem
|
||||
[email protected]
|
||||
leftfirewall=yes
|
||||
right=PH_IP6_MOON
|
||||
rightnexthop=0::0
|
||||
rightsubnet=fec1::/16
|
||||
|
||||
+100
@@ -0,0 +1,100 @@
|
||||
#!/sbin/runscript
|
||||
# Copyright 1999-2004 Gentoo Foundation
|
||||
# Distributed under the terms of the GNU General Public License v2
|
||||
|
||||
opts="start stop reload"
|
||||
|
||||
depend() {
|
||||
before net
|
||||
need logger
|
||||
}
|
||||
|
||||
start() {
|
||||
ebegin "Starting firewall"
|
||||
|
||||
# enable IP forwarding
|
||||
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
|
||||
echo 1 > /proc/sys/net/ipv4/ip_forward
|
||||
|
||||
# default policy is DROP
|
||||
/sbin/iptables -P INPUT DROP
|
||||
/sbin/iptables -P OUTPUT DROP
|
||||
/sbin/iptables -P FORWARD DROP
|
||||
|
||||
/sbin/ip6tables -P INPUT DROP
|
||||
/sbin/ip6tables -P OUTPUT DROP
|
||||
/sbin/ip6tables -P FORWARD DROP
|
||||
|
||||
# allow esp
|
||||
ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
|
||||
|
||||
# allow IKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
|
||||
|
||||
# allow MobIKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-solicitations
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-advertisements
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
|
||||
# allow crl fetch from winnetou
|
||||
iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
|
||||
iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
|
||||
|
||||
# allow ssh
|
||||
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
|
||||
iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
|
||||
|
||||
eend $?
|
||||
}
|
||||
|
||||
stop() {
|
||||
ebegin "Stopping firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
|
||||
/sbin/ipables -F -t $a
|
||||
/sbin/iptables -X -t $a
|
||||
|
||||
if [ $a == nat ]; then
|
||||
/sbin/iptables -t nat -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P POSTROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P OUTPUT ACCEPT
|
||||
elif [ $a == mangle ]; then
|
||||
/sbin/iptables -t mangle -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t mangle -P INPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P FORWARD ACCEPT
|
||||
/sbin/iptables -t mangle -P OUTPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P POSTROUTING ACCEPT
|
||||
elif [ $a == filter ]; then
|
||||
/sbin/ip6tables -t filter -P INPUT ACCEPT
|
||||
/sbin/ip6tables -t filter -P FORWARD ACCEPT
|
||||
/sbin/ip6tables -t filter -P OUTPUT ACCEPT
|
||||
|
||||
/sbin/iptables -t filter -P INPUT ACCEPT
|
||||
/sbin/iptables -t filter -P FORWARD ACCEPT
|
||||
/sbin/iptables -t filter -P OUTPUT ACCEPT
|
||||
fi
|
||||
done
|
||||
eend $?
|
||||
}
|
||||
|
||||
reload() {
|
||||
ebegin "Flushing firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
done;
|
||||
eend $?
|
||||
start
|
||||
}
|
||||
|
||||
@@ -18,6 +18,7 @@ conn rw
|
||||
leftcert=moonCert.pem
|
||||
[email protected]
|
||||
leftsubnet=fec1::/16
|
||||
leftfirewall=yes
|
||||
right=%any
|
||||
rightnexthop=0::0
|
||||
auto=add
|
||||
|
||||
@@ -1,3 +1,6 @@
|
||||
moon::ipsec stop
|
||||
carol::ipsec stop
|
||||
alice::"ip route del fec0:\:/16 via fec1:\:1"
|
||||
carol::"ip route del fec1:\:/16 via fec0:\:1"
|
||||
moon::/etc/init.d/iptables stop 2> /dev/null
|
||||
carol::/etc/init.d/iptables stop 2> /dev/null
|
||||
|
||||
@@ -1,5 +1,7 @@
|
||||
moon::echo "1" >/proc/sys/net/ipv6/conf/all/forwarding
|
||||
moon::/etc/init.d/iptables start 2> /dev/null
|
||||
carol::/etc/init.d/iptables start 2> /dev/null
|
||||
alice::"ip route add fec0:\:/16 via fec1:\:1"
|
||||
carol::"ip route add fec1:\:/16 via fec0:\:1"
|
||||
carol::ipsec start
|
||||
moon::ipsec start
|
||||
carol::sleep 2
|
||||
|
||||
@@ -0,0 +1,7 @@
|
||||
The roadwarriors <b>carol</b> and <b>dave</b> set up an IPv6 connection each
|
||||
to gateway <b>moon</b>. The authentication is based on <b>X.509 certificates</b>.
|
||||
Upon the successful establishment of the IPv6 ESP tunnels, <b>leftfirewall=yes</b>
|
||||
automatically inserts ip6tables-based firewall rules that let pass the tunneled traffic.
|
||||
In order to test both tunnel and firewall, both <b>carol</b> and <b>dave</b> send
|
||||
an IPv6 ICMP request to the client <b>alice</b> behind the gateway <b>moon</b>
|
||||
using the ping6 command.
|
||||
@@ -0,0 +1,10 @@
|
||||
moon::ipsec statusall::rw.*ESTABLISHED::YES
|
||||
carol::ipsec statusall::home.*ESTABLISHED::YES
|
||||
dave::ipsec statusall::home.*ESTABLISHED::YES
|
||||
carol::ping6 -c 1 ip6-alice.strongswan.org::64 bytes from ip6-alice.strongswan.org: icmp_seq=1::YES
|
||||
dave::ping6 -c 1 ip6-alice.strongswan.org::64 bytes from ip6-alice.strongswan.org: icmp_seq=1::YES
|
||||
moon::tcpdump::IP6 ip6-carol.strongswan.org > ip6-moon.strongswan.org: ESP::YES
|
||||
moon::tcpdump::IP6 ip6-moon.strongswan.org > ip6-carol.strongswan.org: ESP::YES
|
||||
moon::tcpdump::IP6 ip6-dave.strongswan.org > ip6-moon.strongswan.org: ESP::YES
|
||||
moon::tcpdump::IP6 ip6-moon.strongswan.org > ip6-dave.strongswan.org: ESP::YES
|
||||
|
||||
+107
@@ -0,0 +1,107 @@
|
||||
#!/sbin/runscript
|
||||
# Copyright 1999-2004 Gentoo Foundation
|
||||
# Distributed under the terms of the GNU General Public License v2
|
||||
|
||||
opts="start stop reload"
|
||||
|
||||
depend() {
|
||||
before net
|
||||
need logger
|
||||
}
|
||||
|
||||
start() {
|
||||
ebegin "Starting firewall"
|
||||
|
||||
# enable IP forwarding
|
||||
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
|
||||
echo 1 > /proc/sys/net/ipv4/ip_forward
|
||||
|
||||
# default policy is DROP
|
||||
/sbin/iptables -P INPUT DROP
|
||||
/sbin/iptables -P OUTPUT DROP
|
||||
/sbin/iptables -P FORWARD DROP
|
||||
|
||||
/sbin/ip6tables -P INPUT DROP
|
||||
/sbin/ip6tables -P OUTPUT DROP
|
||||
/sbin/ip6tables -P FORWARD DROP
|
||||
|
||||
# allow esp
|
||||
ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
|
||||
|
||||
# allow IKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
|
||||
|
||||
# allow MobIKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
|
||||
|
||||
# allow last UDP fragment
|
||||
ip6tables -A INPUT -i eth0 -p udp -m frag --fraglast -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-solicitations
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-advertisements
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
|
||||
# allow crl fetch from winnetou
|
||||
iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
|
||||
iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
|
||||
|
||||
# allow ssh
|
||||
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
|
||||
iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
|
||||
|
||||
# log dropped packets
|
||||
ip6tables -A INPUT -j LOG --log-prefix " IN: "
|
||||
ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
|
||||
|
||||
eend $?
|
||||
}
|
||||
|
||||
stop() {
|
||||
ebegin "Stopping firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
|
||||
/sbin/ipables -F -t $a
|
||||
/sbin/iptables -X -t $a
|
||||
|
||||
if [ $a == nat ]; then
|
||||
/sbin/iptables -t nat -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P POSTROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P OUTPUT ACCEPT
|
||||
elif [ $a == mangle ]; then
|
||||
/sbin/iptables -t mangle -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t mangle -P INPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P FORWARD ACCEPT
|
||||
/sbin/iptables -t mangle -P OUTPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P POSTROUTING ACCEPT
|
||||
elif [ $a == filter ]; then
|
||||
/sbin/ip6tables -t filter -P INPUT ACCEPT
|
||||
/sbin/ip6tables -t filter -P FORWARD ACCEPT
|
||||
/sbin/ip6tables -t filter -P OUTPUT ACCEPT
|
||||
|
||||
/sbin/iptables -t filter -P INPUT ACCEPT
|
||||
/sbin/iptables -t filter -P FORWARD ACCEPT
|
||||
/sbin/iptables -t filter -P OUTPUT ACCEPT
|
||||
fi
|
||||
done
|
||||
eend $?
|
||||
}
|
||||
|
||||
reload() {
|
||||
ebegin "Flushing firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
done;
|
||||
eend $?
|
||||
start
|
||||
}
|
||||
|
||||
+23
@@ -0,0 +1,23 @@
|
||||
# /etc/ipsec.conf - strongSwan IPsec configuration file
|
||||
|
||||
config setup
|
||||
crlcheckinterval=180
|
||||
strictcrlpolicy=no
|
||||
plutostart=no
|
||||
|
||||
conn %default
|
||||
ikelifetime=60m
|
||||
keylife=20m
|
||||
rekeymargin=3m
|
||||
keyingtries=1
|
||||
|
||||
conn home
|
||||
left=PH_IP6_CAROL
|
||||
leftcert=carolCert.pem
|
||||
[email protected]
|
||||
leftfirewall=yes
|
||||
right=PH_IP6_MOON
|
||||
[email protected]
|
||||
rightsubnet=fec1::/16
|
||||
keyexchange=ikev2
|
||||
auto=add
|
||||
+107
@@ -0,0 +1,107 @@
|
||||
#!/sbin/runscript
|
||||
# Copyright 1999-2004 Gentoo Foundation
|
||||
# Distributed under the terms of the GNU General Public License v2
|
||||
|
||||
opts="start stop reload"
|
||||
|
||||
depend() {
|
||||
before net
|
||||
need logger
|
||||
}
|
||||
|
||||
start() {
|
||||
ebegin "Starting firewall"
|
||||
|
||||
# enable IP forwarding
|
||||
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
|
||||
echo 1 > /proc/sys/net/ipv4/ip_forward
|
||||
|
||||
# default policy is DROP
|
||||
/sbin/iptables -P INPUT DROP
|
||||
/sbin/iptables -P OUTPUT DROP
|
||||
/sbin/iptables -P FORWARD DROP
|
||||
|
||||
/sbin/ip6tables -P INPUT DROP
|
||||
/sbin/ip6tables -P OUTPUT DROP
|
||||
/sbin/ip6tables -P FORWARD DROP
|
||||
|
||||
# allow esp
|
||||
ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
|
||||
|
||||
# allow IKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
|
||||
|
||||
# allow MobIKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
|
||||
|
||||
# allow last UDP fragment
|
||||
ip6tables -A INPUT -i eth0 -p udp -m frag --fraglast -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-solicitations
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-advertisements
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
|
||||
# allow crl fetch from winnetou
|
||||
iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
|
||||
iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
|
||||
|
||||
# allow ssh
|
||||
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
|
||||
iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
|
||||
|
||||
# log dropped packets
|
||||
ip6tables -A INPUT -j LOG --log-prefix " IN: "
|
||||
ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
|
||||
|
||||
eend $?
|
||||
}
|
||||
|
||||
stop() {
|
||||
ebegin "Stopping firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
|
||||
/sbin/ipables -F -t $a
|
||||
/sbin/iptables -X -t $a
|
||||
|
||||
if [ $a == nat ]; then
|
||||
/sbin/iptables -t nat -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P POSTROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P OUTPUT ACCEPT
|
||||
elif [ $a == mangle ]; then
|
||||
/sbin/iptables -t mangle -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t mangle -P INPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P FORWARD ACCEPT
|
||||
/sbin/iptables -t mangle -P OUTPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P POSTROUTING ACCEPT
|
||||
elif [ $a == filter ]; then
|
||||
/sbin/ip6tables -t filter -P INPUT ACCEPT
|
||||
/sbin/ip6tables -t filter -P FORWARD ACCEPT
|
||||
/sbin/ip6tables -t filter -P OUTPUT ACCEPT
|
||||
|
||||
/sbin/iptables -t filter -P INPUT ACCEPT
|
||||
/sbin/iptables -t filter -P FORWARD ACCEPT
|
||||
/sbin/iptables -t filter -P OUTPUT ACCEPT
|
||||
fi
|
||||
done
|
||||
eend $?
|
||||
}
|
||||
|
||||
reload() {
|
||||
ebegin "Flushing firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
done;
|
||||
eend $?
|
||||
start
|
||||
}
|
||||
|
||||
+23
@@ -0,0 +1,23 @@
|
||||
# /etc/ipsec.conf - strongSwan IPsec configuration file
|
||||
|
||||
config setup
|
||||
crlcheckinterval=180
|
||||
strictcrlpolicy=no
|
||||
plutostart=no
|
||||
|
||||
conn %default
|
||||
ikelifetime=60m
|
||||
keylife=20m
|
||||
rekeymargin=3m
|
||||
keyingtries=1
|
||||
|
||||
conn home
|
||||
left=PH_IP6_DAVE
|
||||
leftcert=daveCert.pem
|
||||
[email protected]
|
||||
leftfirewall=yes
|
||||
right=PH_IP6_MOON
|
||||
[email protected]
|
||||
rightsubnet=fec1::/16
|
||||
keyexchange=ikev2
|
||||
auto=add
|
||||
+107
@@ -0,0 +1,107 @@
|
||||
#!/sbin/runscript
|
||||
# Copyright 1999-2004 Gentoo Foundation
|
||||
# Distributed under the terms of the GNU General Public License v2
|
||||
|
||||
opts="start stop reload"
|
||||
|
||||
depend() {
|
||||
before net
|
||||
need logger
|
||||
}
|
||||
|
||||
start() {
|
||||
ebegin "Starting firewall"
|
||||
|
||||
# enable IP forwarding
|
||||
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
|
||||
echo 1 > /proc/sys/net/ipv4/ip_forward
|
||||
|
||||
# default policy is DROP
|
||||
/sbin/iptables -P INPUT DROP
|
||||
/sbin/iptables -P OUTPUT DROP
|
||||
/sbin/iptables -P FORWARD DROP
|
||||
|
||||
/sbin/ip6tables -P INPUT DROP
|
||||
/sbin/ip6tables -P OUTPUT DROP
|
||||
/sbin/ip6tables -P FORWARD DROP
|
||||
|
||||
# allow esp
|
||||
ip6tables -A INPUT -i eth0 -p 50 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p 50 -j ACCEPT
|
||||
|
||||
# allow IKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
|
||||
|
||||
# allow MobIKE
|
||||
ip6tables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
|
||||
ip6tables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
|
||||
|
||||
# allow last UDP fragment
|
||||
ip6tables -A INPUT -i eth0 -p udp -m frag --fraglast -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-solicitations
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
|
||||
|
||||
# allow ICMPv6 neighbor-advertisements
|
||||
ip6tables -A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
ip6tables -A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
|
||||
|
||||
# allow crl fetch from winnetou
|
||||
iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
|
||||
iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
|
||||
|
||||
# allow ssh
|
||||
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
|
||||
iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
|
||||
|
||||
# log dropped packets
|
||||
ip6tables -A INPUT -j LOG --log-prefix " IN: "
|
||||
ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
|
||||
|
||||
eend $?
|
||||
}
|
||||
|
||||
stop() {
|
||||
ebegin "Stopping firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
|
||||
/sbin/ipables -F -t $a
|
||||
/sbin/iptables -X -t $a
|
||||
|
||||
if [ $a == nat ]; then
|
||||
/sbin/iptables -t nat -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P POSTROUTING ACCEPT
|
||||
/sbin/iptables -t nat -P OUTPUT ACCEPT
|
||||
elif [ $a == mangle ]; then
|
||||
/sbin/iptables -t mangle -P PREROUTING ACCEPT
|
||||
/sbin/iptables -t mangle -P INPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P FORWARD ACCEPT
|
||||
/sbin/iptables -t mangle -P OUTPUT ACCEPT
|
||||
/sbin/iptables -t mangle -P POSTROUTING ACCEPT
|
||||
elif [ $a == filter ]; then
|
||||
/sbin/ip6tables -t filter -P INPUT ACCEPT
|
||||
/sbin/ip6tables -t filter -P FORWARD ACCEPT
|
||||
/sbin/ip6tables -t filter -P OUTPUT ACCEPT
|
||||
|
||||
/sbin/iptables -t filter -P INPUT ACCEPT
|
||||
/sbin/iptables -t filter -P FORWARD ACCEPT
|
||||
/sbin/iptables -t filter -P OUTPUT ACCEPT
|
||||
fi
|
||||
done
|
||||
eend $?
|
||||
}
|
||||
|
||||
reload() {
|
||||
ebegin "Flushing firewall"
|
||||
for a in `cat /proc/net/ip_tables_names`; do
|
||||
/sbin/ip6tables -F -t $a
|
||||
/sbin/ip6tables -X -t $a
|
||||
done;
|
||||
eend $?
|
||||
start
|
||||
}
|
||||
|
||||
+22
@@ -0,0 +1,22 @@
|
||||
# /etc/ipsec.conf - strongSwan IPsec configuration file
|
||||
|
||||
config setup
|
||||
crlcheckinterval=180
|
||||
strictcrlpolicy=no
|
||||
plutostart=no
|
||||
|
||||
conn %default
|
||||
ikelifetime=60m
|
||||
keylife=20m
|
||||
rekeymargin=3m
|
||||
keyingtries=1
|
||||
|
||||
conn rw
|
||||
left=PH_IP6_MOON
|
||||
leftcert=moonCert.pem
|
||||
[email protected]
|
||||
leftsubnet=fec1::/16
|
||||
leftfirewall=yes
|
||||
right=%any
|
||||
keyexchange=ikev2
|
||||
auto=add
|
||||
@@ -0,0 +1,9 @@
|
||||
moon::ipsec stop
|
||||
carol::ipsec stop
|
||||
dave::ipsec stop
|
||||
moon::/etc/init.d/iptables stop 2> /dev/null
|
||||
carol::/etc/init.d/iptables stop 2> /dev/null
|
||||
dave::/etc/init.d/iptables stop 2> /dev/null
|
||||
alice::"ip route del fec0:\:/16 via fec1:\:1"
|
||||
carol::"ip route del fec1:\:/16 via fec0:\:1"
|
||||
dave::"ip route del fec1:\:/16 via fec0:\:1"
|
||||
@@ -0,0 +1,12 @@
|
||||
moon::/etc/init.d/iptables start 2> /dev/null
|
||||
carol::/etc/init.d/iptables start 2> /dev/null
|
||||
dave::/etc/init.d/iptables start 2> /dev/null
|
||||
alice::"ip route add fec0:\:/16 via fec1:\:1"
|
||||
carol::"ip route add fec1:\:/16 via fec0:\:1"
|
||||
dave::"ip route add fec1:\:/16 via fec0:\:1"
|
||||
moon::ipsec start
|
||||
carol::ipsec start
|
||||
dave::ipsec start
|
||||
carol::sleep 1
|
||||
carol::ipsec up home
|
||||
dave::ipsec up home
|
||||
@@ -0,0 +1,21 @@
|
||||
#!/bin/bash
|
||||
#
|
||||
# This configuration file provides information on the
|
||||
# UML instances used for this test
|
||||
|
||||
# All UML instances that are required for this test
|
||||
#
|
||||
UMLHOSTS="alice moon carol winnetou dave"
|
||||
|
||||
# Corresponding block diagram
|
||||
#
|
||||
DIAGRAM="a-m-c-w-d.png"
|
||||
|
||||
# UML instances on which tcpdump is to be started
|
||||
#
|
||||
TCPDUMPHOSTS="moon"
|
||||
|
||||
# UML instances on which IPsec is started
|
||||
# Used for IPsec logging purposes
|
||||
#
|
||||
IPSECHOSTS="moon carol dave"
|
||||
Reference in New Issue
Block a user