firewall-enabled ipv6/net2net-ip6-in-ip4-ikev2 scenario
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@@ -26,27 +26,16 @@ start() {
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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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iptables -A INPUT -i eth0 -p 50 -j ACCEPT
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iptables -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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iptables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
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iptables -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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iptables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
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iptables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -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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@@ -56,6 +45,14 @@ start() {
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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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# 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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# 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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@@ -18,6 +18,7 @@ conn net-net
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leftsubnet=fec1::0/16
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leftcert=moonCert.pem
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[email protected]
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leftfirewall=yes
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right=PH_IP_SUN
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rightsubnet=fec2::0/16
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[email protected]
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@@ -1,6 +1,6 @@
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# /etc/strongswan.conf - strongSwan configuration file
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charon {
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load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
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load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
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install_routes = no
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}
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@@ -26,27 +26,16 @@ start() {
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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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iptables -A INPUT -i eth0 -p 50 -j ACCEPT
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iptables -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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iptables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
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iptables -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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iptables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
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iptables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -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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@@ -56,6 +45,18 @@ start() {
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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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# 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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# 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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@@ -18,6 +18,7 @@ conn net-net
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leftsubnet=fec2::0/16
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leftcert=sunCert.pem
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[email protected]
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leftfirewall=yes
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right=PH_IP_MOON
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rightsubnet=fec1::0/16
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[email protected]
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@@ -1,6 +1,6 @@
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# /etc/strongswan.conf - strongSwan configuration file
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charon {
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load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
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load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
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install_routes=no
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}
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@@ -4,3 +4,5 @@ alice::"ip route del fec2:\:/16 via fec1:\:1"
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moon::"ip route del fec2:\:/16 via fec0:\:2"
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sun::"ip route del fec1:\:/16 via fec0:\:1"
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bob::"ip route del fec1:\:/16 via fec2:\:1"
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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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@@ -1,5 +1,5 @@
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moon::echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
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sun::echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
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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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alice::"ip route add fec2:\:/16 via fec1:\:1"
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moon::"ip route add fec2:\:/16 via fec0:\:2"
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sun::"ip route add fec1:\:/16 via fec0:\:1"
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@@ -8,3 +8,4 @@ moon::ipsec start
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sun::ipsec start
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moon::sleep 2
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moon::ipsec up net-net
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moon::sleep 1
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