added the tnc/tnccs-20-retry scenario
This commit is contained in:
Andreas Steffen
parent
26691de27f
commit
da73199fe5
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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>TNCCS 2.0 </b> client-server interface
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compliant with <b>RFC 5793 PB-TNC</b>. The IMC and IMV communicate are using the <b>IF-M</b>
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protocol defined by <b>RFC 5792 PA-TNC</b>.
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<p>
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The first time around both <b>carol</b> and <b>dave</b> fail the health test but they
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request a handshake retry. After remediation <b>carol</b> succeeds but <b>dave</b>
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still fails. Thus based on this second round of measurements the clients are connected
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by gateway <b>moon</b> to the "rw-allow" and "rw-isolate" 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 '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="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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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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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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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-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-test {
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command = isolate
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retry = yes
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retry_command = allow
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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 "Test" /usr/local/libexec/ipsec/plugins/libstrongswan-imc-test.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="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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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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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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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-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 = ru , de, en
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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-test {
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command = isolate
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retry = 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 "Test" /usr/local/libexec/ipsec/plugins/libstrongswan-imc-test.so
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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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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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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-20 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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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-test {
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rounds = 0
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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 "Test" /usr/local/libexec/ipsec/plugins/libstrongswan-imv-test.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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