From: Andreas Steffen Date: Wed, 7 Nov 2007 16:41:57 +0000 (-0000) Subject: enabled ip6tables-based firewalling in first two IPv6 scenarios X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=361deb6f767c40039016d10f731305f8a52db51f;p=people%2Fms%2Fstrongswan.git enabled ip6tables-based firewalling in first two IPv6 scenarios --- diff --git a/testing/tests/ipv6/host2host-ikev1/description.txt b/testing/tests/ipv6/host2host-ikev1/description.txt index c59b32acb..b52c4caf8 100644 --- a/testing/tests/ipv6/host2host-ikev1/description.txt +++ b/testing/tests/ipv6/host2host-ikev1/description.txt @@ -1,3 +1,5 @@ An IPv6 ESP connection between the hosts moon and sun is successfully set up. -The authentication is based on X.509 certificates. In order to test the host-to-host tunnel -moon sends an IPv6 ICMP request to sun using the ping6 command. +The authentication is based on X.509 certificates. Upon the successful establishment of +the IPsec tunnel, leftfirewall=yes automatically inserts ip6tables-based firewall +rules that let pass the tunneled traffic. In order to test both the host-to-host tunnel +and the firewall rules, moon sends an IPv6 ICMP request to sun using the ping6 command. diff --git a/testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/init.d/iptables b/testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/init.d/iptables new file mode 100755 index 000000000..8db1f13d1 --- /dev/null +++ b/testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/init.d/iptables @@ -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 +} + diff --git a/testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/ipsec.conf b/testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/ipsec.conf index 9499140c5..5a18c0993 100755 --- a/testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/ipsec.conf +++ b/testing/tests/ipv6/host2host-ikev1/hosts/moon/etc/ipsec.conf @@ -27,4 +27,3 @@ conn host-host rightnexthop=0::0 rightid=@sun.strongswan.org auto=add - diff --git a/testing/tests/ipv6/host2host-ikev1/hosts/sun/etc/init.d/iptables b/testing/tests/ipv6/host2host-ikev1/hosts/sun/etc/init.d/iptables new file mode 100755 index 000000000..8db1f13d1 --- /dev/null +++ b/testing/tests/ipv6/host2host-ikev1/hosts/sun/etc/init.d/iptables @@ -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 +} + diff --git a/testing/tests/ipv6/host2host-ikev1/posttest.dat b/testing/tests/ipv6/host2host-ikev1/posttest.dat index dff181797..5a9150bc8 100644 --- a/testing/tests/ipv6/host2host-ikev1/posttest.dat +++ b/testing/tests/ipv6/host2host-ikev1/posttest.dat @@ -1,2 +1,4 @@ moon::ipsec stop sun::ipsec stop +moon::/etc/init.d/iptables stop 2> /dev/null +sun::/etc/init.d/iptables stop 2> /dev/null diff --git a/testing/tests/ipv6/host2host-ikev1/pretest.dat b/testing/tests/ipv6/host2host-ikev1/pretest.dat index 4707af077..3536fd886 100644 --- a/testing/tests/ipv6/host2host-ikev1/pretest.dat +++ b/testing/tests/ipv6/host2host-ikev1/pretest.dat @@ -1,3 +1,5 @@ +moon::/etc/init.d/iptables start 2> /dev/null +sun::/etc/init.d/iptables start 2> /dev/null moon::ipsec start sun::ipsec start moon::sleep 2 diff --git a/testing/tests/ipv6/net2net-ikev1/description.txt b/testing/tests/ipv6/net2net-ikev1/description.txt index 4c1b5c8d8..5952ecc2d 100644 --- a/testing/tests/ipv6/net2net-ikev1/description.txt +++ b/testing/tests/ipv6/net2net-ikev1/description.txt @@ -1,4 +1,6 @@ An IPv6 ESP tunnel connection between the gateways moon and sun is successfully set up. It connects the two subnets hiding behind their respective gateways. The authentication is based on -X.509 certificates. In order to test the net-to-net tunnel client alice behind moon +X.509 certificates. Upon the successful establishment of the IPsec tunnel, leftfirewall=yes +automatically inserts ip6tables-based firewall rules that let pass the tunneled traffic. +In order to test both the net-to-net tunnel and the firewall rules, client alice behind moon sends an IPv6 ICMP request to client bob behind sun using the ping6 command. diff --git a/testing/tests/ipv6/net2net-ikev1/hosts/moon/etc/init.d/iptables b/testing/tests/ipv6/net2net-ikev1/hosts/moon/etc/init.d/iptables new file mode 100755 index 000000000..8db1f13d1 --- /dev/null +++ b/testing/tests/ipv6/net2net-ikev1/hosts/moon/etc/init.d/iptables @@ -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 +} + diff --git a/testing/tests/ipv6/net2net-ikev1/hosts/sun/etc/init.d/iptables b/testing/tests/ipv6/net2net-ikev1/hosts/sun/etc/init.d/iptables new file mode 100755 index 000000000..8db1f13d1 --- /dev/null +++ b/testing/tests/ipv6/net2net-ikev1/hosts/sun/etc/init.d/iptables @@ -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 +} + diff --git a/testing/tests/ipv6/net2net-ikev1/posttest.dat b/testing/tests/ipv6/net2net-ikev1/posttest.dat index f527995ec..4c95e2afe 100644 --- a/testing/tests/ipv6/net2net-ikev1/posttest.dat +++ b/testing/tests/ipv6/net2net-ikev1/posttest.dat @@ -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 diff --git a/testing/tests/ipv6/net2net-ikev1/pretest.dat b/testing/tests/ipv6/net2net-ikev1/pretest.dat index 347a27bed..e360bfbaa 100644 --- a/testing/tests/ipv6/net2net-ikev1/pretest.dat +++ b/testing/tests/ipv6/net2net-ikev1/pretest.dat @@ -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"