firewall-enabled ipv6/net2net-ip6-in-ip4-ikev2 scenario

This commit is contained in:
Andreas Steffen
2009-12-17 19:43:33 +01:00
parent 02ee613325
commit 92f0aa9736
8 changed files with 41 additions and 38 deletions
@@ -26,27 +26,16 @@ start() {
/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
iptables -A INPUT -i eth0 -p 50 -j ACCEPT
iptables -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
iptables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
iptables -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
iptables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
iptables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
# allow crl fetch from winnetou
iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
@@ -56,6 +45,14 @@ start() {
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A OUTPUT -p tcp --sport 22 -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
# log dropped packets
ip6tables -A INPUT -j LOG --log-prefix " IN: "
ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
@@ -18,6 +18,7 @@ conn net-net
leftsubnet=fec1::0/16
leftcert=moonCert.pem
[email protected]
leftfirewall=yes
right=PH_IP_SUN
rightsubnet=fec2::0/16
[email protected]
@@ -1,6 +1,6 @@
# /etc/strongswan.conf - strongSwan configuration file
charon {
load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
install_routes = no
}
@@ -26,27 +26,16 @@ start() {
/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
iptables -A INPUT -i eth0 -p 50 -j ACCEPT
iptables -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
iptables -A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
iptables -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
iptables -A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
iptables -A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
# allow crl fetch from winnetou
iptables -A INPUT -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
@@ -56,6 +45,18 @@ start() {
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A OUTPUT -p tcp --sport 22 -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
# log dropped packets
ip6tables -A INPUT -j LOG --log-prefix " IN: "
ip6tables -A OUTPUT -j LOG --log-prefix " OUT: "
@@ -18,6 +18,7 @@ conn net-net
leftsubnet=fec2::0/16
leftcert=sunCert.pem
[email protected]
leftfirewall=yes
right=PH_IP_MOON
rightsubnet=fec1::0/16
[email protected]
@@ -1,6 +1,6 @@
# /etc/strongswan.conf - strongSwan configuration file
charon {
load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink
load = curl aes des sha1 sha2 md5 pem pkcs1 gmp random x509 hmac xcbc stroke kernel-netlink updown
install_routes=no
}
@@ -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"
@@ -8,3 +8,4 @@ moon::ipsec start
sun::ipsec start
moon::sleep 2
moon::ipsec up net-net
moon::sleep 1