added ikev2/rw-eap-tnc scenario
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The roadwarriors <b>carol</b> and <b>dave</b> set up a connection each to gateway <b>moon</b>
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using EAP-TTLS authentication only with the gateway presenting a server certificate and
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the clients doing EAP-MD5 password-based authentication.
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In a next step the EAP-TNC protocol is used within the EAP-TTLS tunnel to determine the
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health of <b>carol</b> and <b>dave</b> via the <b>IF-TNCCS 1.1</b> client-server interface.
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<b>carol</b> passes the health test and <b>dave</b> fails. Based on these measurements the
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clients are connected by gateway <b>moon</b> to the "rw-allow" and "rw-isolate" subnets,
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respectively.
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carol::cat /var/log/daemon.log::TNCCS-Recommendation.*allow::YES
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carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established ::YES
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carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful
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carol::cat /var/log/daemon.log::CHILD_SA home{1} established.*TS 192.168.0.100/32 === 10.1.0.0/28::YES
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dave::cat /var/log/daemon.log::TNCCS-Recommendation.*isolate::YES
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dave::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established ::YES
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dave::cat /var/log/daemon.log:authentication of 'moon.strongswan.org' with EAP successful
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dave::cat /var/log/daemon.log::CHILD_SA home{1} established.*TS 192.168.0.200/32 === 10.1.0.16/28::YES
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moon::cat /var/log/daemon.log::added group membership 'allow'::YES
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moon::cat /var/log/daemon.log::authentication of 'carol@strongswan.org' with EAP successful::YES
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moon::cat /var/log/daemon.log::added group membership 'isolate'::YES
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moon::cat /var/log/daemon.log::authentication of 'dave@strongswan.org' with EAP successful::YES
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moon::ipsec statusall::rw-allow.*10.1.0.0/28 === 192.168.0.100/32::YES
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moon::ipsec statusall::rw-isolate.*10.1.0.16/28 === 192.168.0.200/32::YES
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carol::ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_ALICE: icmp_seq=1::YES
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carol::ping -c 1 PH_IP_VENUS::64 bytes from PH_IP_ALICE: icmp_seq=1::NO
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dave::ping -c 1 PH_IP_VENUS::64 bytes from PH_IP_VENUS: icmp_seq=1::YES
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dave::ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_VENUS: icmp_seq=1::NO
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# /etc/ipsec.conf - strongSwan IPsec configuration file
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config setup
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plutostart=no
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charondebug="tls 2"
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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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keyexchange=ikev2
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conn home
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left=PH_IP_CAROL
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leftid=carol@strongswan.org
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leftauth=eap
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leftfirewall=yes
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right=PH_IP_MOON
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rightid=@moon.strongswan.org
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rightsubnet=10.1.0.0/16
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auto=add
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# /etc/ipsec.secrets - strongSwan IPsec secrets file
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carol@strongswan.org : EAP "Ar3etTnp"
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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 revocation hmac xcbc stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnccs-11 updown
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multiple_authentication=no
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}
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allow
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#IMC configuration file for strongSwan client
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IMC "Dummy" /usr/local/lib/libdummyimc.so
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# /etc/ipsec.conf - strongSwan IPsec configuration file
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config setup
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plutostart=no
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charondebug="tls 2"
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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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keyexchange=ikev2
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conn home
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left=PH_IP_DAVE
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leftid=dave@strongswan.org
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leftauth=eap
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leftfirewall=yes
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right=PH_IP_MOON
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rightid=@moon.strongswan.org
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rightsubnet=10.1.0.0/16
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auto=add
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# /etc/ipsec.secrets - strongSwan IPsec secrets file
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dave@strongswan.org : EAP "W7R0g3do"
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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 revocation hmac xcbc stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnccs-11 updown
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multiple_authentication=no
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}
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isolate
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#IMC configuration file for strongSwan client
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IMC "Dummy" /usr/local/lib/libdummyimc.so
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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 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 MobIKE
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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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iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
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# allow RADIUS protocol with alice
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iptables -A INPUT -i eth1 -p udp --sport 1812 -s PH_IP_ALICE -j ACCEPT
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iptables -A OUTPUT -o eth1 -p udp --dport 1812 -d PH_IP_ALICE -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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# /etc/ipsec.conf - strongSwan IPsec configuration file
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config setup
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strictcrlpolicy=no
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plutostart=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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keyexchange=ikev2
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conn rw-allow
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rightgroups=allow
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leftsubnet=10.1.0.0/28
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also=rw-eap
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auto=add
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conn rw-isolate
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rightgroups=isolate
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leftsubnet=10.1.0.16/28
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also=rw-eap
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auto=add
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conn rw-eap
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left=PH_IP_MOON
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leftcert=moonCert.pem
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leftid=@moon.strongswan.org
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leftauth=eap-ttls
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leftfirewall=yes
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rightauth=eap-ttls
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rightid=*@strongswan.org
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rightsendcert=never
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right=%any
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# /etc/ipsec.secrets - strongSwan IPsec secrets file
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: RSA moonKey.pem
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carol@strongswan.org : EAP "Ar3etTnp"
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dave@strongswan.org : EAP "W7R0g3do"
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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 revocation hmac xcbc stroke kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnccs-11 tnc-imv updown
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multiple_authentication=no
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plugins {
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eap-ttls {
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phase2_method = md5
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phase2_piggyback = yes
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phase2_tnc = yes
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}
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}
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}
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#IMV configuration file for strongSwan server
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IMV "Dummy" /usr/local/lib/libdummyimv.so
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moon::ipsec stop
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carol::ipsec stop
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dave::ipsec stop
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moon::/etc/init.d/iptables stop 2> /dev/null
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carol::/etc/init.d/iptables stop 2> /dev/null
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dave::/etc/init.d/iptables stop 2> /dev/null
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moon::/etc/init.d/iptables start 2> /dev/null
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carol::/etc/init.d/iptables start 2> /dev/null
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dave::/etc/init.d/iptables start 2> /dev/null
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moon::cat /etc/tnc_config
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carol::cat /etc/tnc_config
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dave::cat /etc/tnc_config
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carol::cat /etc/tnc/dummyimc.file
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dave::cat /etc/tnc/dummyimc.file
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moon::ipsec start
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carol::ipsec start
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dave::ipsec start
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carol::sleep 1
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carol::ipsec up home
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dave::ipsec up home
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dave::sleep 1
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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 carol winnetou dave"
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# Corresponding block diagram
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#
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DIAGRAM="a-v-m-c-w-d.png"
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# UML instances on which tcpdump is to be started
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#
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TCPDUMPHOSTS="moon"
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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="moon carol dave"
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# UML instances on which FreeRadius is started
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#
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RADIUSHOSTS=
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