added tnc/tnccs-20-os scenario
This commit is contained in:
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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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state of <b>carol</b>'s and <b>dave</b>'s operating system via the <b>TNCCS 2.0 </b>
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client-server interface compliant with <b>RFC 5793 PB-TNC</b>. The OS IMC and OS IMV pair
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is using the <b>IF-M 1.0</b> measurement protocol defined by <b>RFC 5792 PA-TNC</b> to
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exchange PA-TNC attributes.
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<p>
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<b>carol</b> sends information on her operating system consisting of the PA-TNC attributes
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<em>Product Information</em>, <em>String Version</em> and <em>Forwarding Enabled</em> up-front,
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whereas <b>dave</b> must be prompted by the IMV to do so via an <em>Attribute Request</em>
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PA-TNC attribute. <b>carol</b> is then prompted to send a list of installed packages
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using the <em>Installed Packages</em> PA-TNC attribute whereas <b>dave</b>'s "Windows 1.2.3"
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operating system is not supported.
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<p>
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<b>carol</b> passes the health test and <b>dave</b> fails. Based on these assessments
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which are communicated to the IMCs using the <em>Assessment Result</em> PA-TNC attribute,
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the clients are connected by gateway <b>moon</b> to the "rw-allow" and "rw-isolate"
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subnets, respectively.
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</p>
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carol::cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Allowed'::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::YES
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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::PB-TNC access recommendation is 'Quarantined'::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::YES
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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 '[email protected]' 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 '[email protected]' with EAP successful::YES
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moon:: ipsec statusall 2> /dev/null::rw-allow.*10.1.0.0/28 === 192.168.0.100/32::YES
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moon:: ipsec statusall 2> /dev/null::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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charondebug="tnc 3, imc 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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[email protected]
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leftauth=eap
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leftfirewall=yes
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right=PH_IP_MOON
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[email protected]
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rightauth=any
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rightsendcert=never
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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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[email protected] : 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 nonce x509 revocation hmac stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-tnccs tnc-imc tnccs-20 updown
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multiple_authentication=no
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plugins {
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eap-tnc {
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protocol = tnccs-2.0
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}
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}
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}
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libimcv {
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plugins {
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imc-os {
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send_info = yes
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}
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}
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}
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#IMC configuration file for strongSwan client
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IMC "OS" /usr/local/lib/ipsec/imcvs/imc-os.so
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# /etc/ipsec.conf - strongSwan IPsec configuration file
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config setup
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charondebug="tnc 3, imc 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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[email protected]
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leftauth=eap
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leftfirewall=yes
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right=PH_IP_MOON
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[email protected]
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rightauth=any
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rightsendcert=never
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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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[email protected] : 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 nonce x509 revocation hmac stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
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multiple_authentication=no
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plugins {
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eap-tnc {
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protocol = tnccs-2.0
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}
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tnc-imc {
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preferred_language = de
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}
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}
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}
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libimcv {
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os_info {
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name = Windows
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version = 1.2.3
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}
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plugins {
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imc-os {
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send_info = no
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}
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}
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}
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#IMC configuration file for strongSwan client
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IMC "OS" /usr/local/lib/ipsec/imcvs/imc-os.so
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# /etc/ipsec.conf - strongSwan IPsec configuration file
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config setup
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charondebug="tnc 3, imv 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 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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[email protected]
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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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[email protected] : EAP "Ar3etTnp"
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[email protected] : 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 nonce x509 revocation hmac stroke kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-imv tnc-tnccs tnccs-20 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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eap-tnc {
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protocol = tnccs-2.0
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}
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}
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}
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libimcv {
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plugins {
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imv-os {
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request_installed_packages = yes
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}
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}
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}
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#IMV configuration file for strongSwan client
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IMV "OS" /usr/local/lib/ipsec/imcvs/imv-os.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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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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Block a user