added ha/both-active scenario

2010-11-20 20:16:26 +01:00
parent 841b2b3ee9
commit 4a8ebe0b35
22 changed files with 555 additions and 0 deletions
@@ -0,0 +1,104 @@
+#!/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/ipv4/ip_forward
+	
+	# default policy is DROP
+	/sbin/iptables -P INPUT DROP
+	/sbin/iptables -P OUTPUT DROP
+	/sbin/iptables -P FORWARD DROP
+
+	# forward ESP-tunneled traffic
+	iptables -A FORWARD -m policy -i eth0 --dir in  --pol ipsec --proto esp -s PH_IP_CAROL -j ACCEPT
+	iptables -A FORWARD -m policy -i eth0 --dir in  --pol ipsec --proto esp -s PH_IP_DAVE  -j ACCEPT
+	iptables -A FORWARD -m policy -o eth0 --dir out --pol ipsec --proto esp -j ACCEPT
+
+        # clusterip rules
+        iptables -A INPUT -i eth0 -d 192.168.0.5 -j CLUSTERIP --new --hashmode sourceip \
+                          --clustermac 01:00:c0:a8:00:05 --total-nodes 2 --local-node 1
+        iptables -A INPUT -i eth1 -d 10.1.0.5 -j CLUSTERIP --new --hashmode sourceip \
+                          --clustermac 01:00:0a:01:00:05 --total-nodes 2 --local-node 1
+
+	# allow esp
+	iptables -A INPUT  -p 50 -j ACCEPT
+	iptables -A OUTPUT -p 50 -d PH_IP_CAROL -j ACCEPT
+	iptables -A OUTPUT -p 50 -d PH_IP_DAVE  -j ACCEPT
+
+	# allow IKE
+	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
+	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
+	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
+
+	# allow heartbeat
+	iptables -A INPUT  -i eth1 -d PH_IP_MOON1 -s PH_IP_ALICE -p udp --dport 4510 --sport 4510 -j ACCEPT
+	iptables -A OUTPUT -o eth1 -s PH_IP_MOON1 -d PH_IP_ALICE -p udp --dport 4510 --sport 4510 -j ACCEPT
+
+	# allow ICMP type 3
+        iptables -A INPUT  -i eth1 -d PH_IP_MOON1 -s PH_IP_ALICE -p icmp --icmp-type 3 -j ACCEPT
+        iptables -A OUTPUT -o eth1 -s PH_IP_MOON1 -d PH_IP_ALICE -p icmp --icmp-type 3 -j ACCEPT
+
+	# allow IGMP multicasts
+	iptables -A INPUT  -d 224.0.0.1 -p igmp -j ACCEPT
+	iptables -A OUTPUT -s 224.0.0.1 -p igmp -j ACCEPT
+
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping firewall"
+		for a in `cat /proc/net/ip_tables_names`; do
+			/sbin/iptables -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/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/iptables -F -t $a
+			/sbin/iptables -X -t $a
+		done;
+        eend $?
+	start
+}
+