- import of strongswan-2.7.0
- applied patch for charon
This commit is contained in:
@@ -0,0 +1,15 @@
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The WLAN clients <b>alice</b> and <b>venus</b> secure all their wireless traffic
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by setting up an IPsec tunnel to gateway <b>moon</b>. The VPN network mask is
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<b>0.0.0.0/0</b>. Traffic with destination outside the protected 10.1.0.0/10 network
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is NAT-ed by router <b>moon</b>. The IPsec connections are tested by pings from
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<b>alice</b> to <b>venus</b> tunneled via <b>moon</b> and to both the internal
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and external interface of gateway <b>moon</b>. Access to the gateway is
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set up by <b>lefthostaccess=yes</b> in conjunction with <b>leftfirewall=yes</b>.
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At last <b>alice</b> and <b>venus</b> ping the external host <b>sun</b> via the NAT router.
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<p>
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The host system controls the UML instances <b>alice</b> and <b>carol</b> via
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ssh commands sent over the virtual <b>tap1</b> interface. In order to keep up
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the control flow in the presence of the all-encompassing 0.0.0.0/0 tunnel
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to the gateway <b>moon</b> an auxiliary <b>passthrough</b> eroute restricted
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to the ssh port is statically set up by <b>conn system</b>.
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@@ -0,0 +1,11 @@
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alice::ipsec status::wlan.*STATE_QUICK_I2.*IPsec SA established::YES
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venus::ipsec status::wlan.*STATE_QUICK_I2.*IPsec SA established::YES
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moon::ipsec status::alice.*STATE_QUICK_R2.*IPsec SA established::YES
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moon::ipsec status::venus.*STATE_QUICK_R2.*IPsec SA established::YES
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alice::ping -c 1 PH_IP_VENUS::64 bytes from PH_IP_VENUS: icmp_seq=1::YES
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alice::ping -c 1 PH_IP1_MOON::64 bytes from PH_IP1_MOON: icmp_seq=1::YES
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alice::ping -c 1 PH_IP_MOON::64 bytes from PH_IP_MOON: icmp_seq=1::YES
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alice::ping -c 1 PH_IP_SUN::64 bytes from PH_IP_SUN: icmp_seq=1::YES
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venus::ping -c 1 PH_IP_SUN::64 bytes from PH_IP_SUN: icmp_seq=1::YES
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moon::tcpdump::ESP::YES
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sun::tcpdump::icmp::YES
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+73
@@ -0,0 +1,73 @@
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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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# 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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# allow esp
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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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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 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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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/iptables -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/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/iptables -F -t $a
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/sbin/iptables -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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+37
@@ -0,0 +1,37 @@
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# /etc/ipsec.conf - strongSwan IPsec configuration file
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version 2.0 # conforms to second version of ipsec.conf specification
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config setup
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plutodebug=control
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crlcheckinterval=180
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strictcrlpolicy=no
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nat_traversal=no
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conn %default
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ikelifetime=60m
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keylife=20m
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rekeymargin=3m
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keyingtries=1
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conn system
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left=PH_IP_ALICE
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leftprotoport=tcp/ssh
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leftnexthop=%direct
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authby=never
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type=passthrough
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right=10.1.0.254
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rightprotoport=tcp
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auto=route
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conn wlan
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left=PH_IP_ALICE
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leftnexthop=%direct
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leftcert=aliceCert.pem
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[email protected]
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leftfirewall=yes
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right=PH_IP1_MOON
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[email protected]
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rightsubnet=0.0.0.0/0
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auto=add
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+82
@@ -0,0 +1,82 @@
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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/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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# allow esp
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iptables -A INPUT -i eth1 -p 50 -j ACCEPT
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iptables -A OUTPUT -o eth1 -p 50 -j ACCEPT
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# allow IKE
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iptables -A INPUT -i eth1 -p udp --sport 500 --dport 500 -j ACCEPT
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iptables -A OUTPUT -o eth1 -p udp --dport 500 --sport 500 -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 FORWARD -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
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iptables -A FORWARD -o eth0 -p tcp --dport 80 -d 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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# enable SNAT
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iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p icmp -j SNAT --to-source PH_IP_MOON
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iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p tcp -j SNAT --to-source PH_IP_MOON:2000-2100
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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/iptables -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/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/iptables -F -t $a
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/sbin/iptables -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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Executable
+37
@@ -0,0 +1,37 @@
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# /etc/ipsec.conf - strongSwan IPsec configuration file
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version 2.0 # conforms to second version of ipsec.conf specification
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config setup
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plutodebug=control
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crlcheckinterval=180
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strictcrlpolicy=no
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nat_traversal=no
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conn %default
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ikelifetime=60m
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keylife=20m
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rekeymargin=3m
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keyingtries=1
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conn alice
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right=PH_IP_ALICE
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[email protected]
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also=wlan
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auto=add
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conn venus
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right=PH_IP_VENUS
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[email protected]
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also=wlan
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auto=add
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conn wlan
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left=PH_IP1_MOON
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leftnexthop=%direct
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leftsubnet=0.0.0.0/0
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leftcert=moonCert.pem
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[email protected]
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leftfirewall=yes
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lefthostaccess=yes
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+73
@@ -0,0 +1,73 @@
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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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# 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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# allow esp
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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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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 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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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/iptables -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/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/iptables -F -t $a
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/sbin/iptables -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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+37
@@ -0,0 +1,37 @@
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# /etc/ipsec.conf - strongSwan IPsec configuration file
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version 2.0 # conforms to second version of ipsec.conf specification
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config setup
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plutodebug=control
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crlcheckinterval=180
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strictcrlpolicy=no
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nat_traversal=no
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conn %default
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ikelifetime=60m
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keylife=20m
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rekeymargin=3m
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keyingtries=1
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conn system
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left=PH_IP_VENUS
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leftprotoport=tcp/ssh
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leftnexthop=%direct
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authby=never
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type=passthrough
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right=10.1.0.254
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rightprotoport=tcp
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auto=route
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conn wlan
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left=PH_IP_VENUS
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leftnexthop=%direct
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leftcert=venusCert.pem
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[email protected]
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leftfirewall=yes
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right=PH_IP1_MOON
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[email protected]
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rightsubnet=0.0.0.0/0
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auto=add
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@@ -0,0 +1,10 @@
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alice::iptables -v -n -L
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venus::iptables -v -n -L
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moon::iptables -t nat -v -n -L POSTROUTING
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moon::iptables -v -n -L
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moon::ipsec stop
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alice::ipsec stop
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venus::ipsec stop
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alice::/etc/init.d/iptables stop 2> /dev/null
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venus::/etc/init.d/iptables stop 2> /dev/null
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moon::/etc/init.d/iptables stop 2> /dev/null
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@@ -0,0 +1,11 @@
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moon::/etc/init.d/iptables start 2> /dev/null
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alice::/etc/init.d/iptables start 2> /dev/null
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venus::/etc/init.d/iptables start 2> /dev/null
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moon::ipsec start
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alice::ipsec start
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venus::ipsec start
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alice::sleep 2
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alice::ipsec up wlan
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venus::sleep 2
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venus::ipsec up wlan
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venus::sleep 2
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@@ -0,0 +1,21 @@
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#!/bin/bash
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#
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||||
# This configuration file provides information on the
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||||
# UML instances used for this test
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# All UML instances that are required for this test
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#
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UMLHOSTS="alice venus moon winnetou sun"
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# Corresponding block diagram
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#
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DIAGRAM="a-v-m-w-s-b.png"
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# UML instances on which tcpdump is to be started
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#
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TCPDUMPHOSTS="moon:eth1 sun"
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# UML instances on which IPsec is started
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# Used for IPsec logging purposes
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#
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IPSECHOSTS="alice venus moon"
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Reference in New Issue
Block a user