added ikev2/dynamic-two-peers scenario
This commit is contained in:
Andreas Steffen
parent
68f3e2462a
commit
d9e1b4c033
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The peers <b>carol</b>, <b>dave</b>, and <b>moon</b> all have dynamic IP addresses,
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so that the remote end is defined symbolically by <b>right=%<hostname></b>.
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The ipsec starter resolves the fully-qualified hostname into the current IP address
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via a DNS lookup (simulated by an /etc/hosts entry). Since the peer IP addresses are
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expected to change over time, the prefix '%' is used as an implicit alternative to the
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explicit <b>rightallowany=yes</b> option which will allow an IKE
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main mode rekeying to arrive from an arbitrary IP address under the condition that
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the peer identity remains unchanged. When this happens the old tunnel is replaced
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by an IPsec connection to the new origin.
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<p>
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In this scenario both <b>carol</b> and <b>dave</b> initiate a tunnel to
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<b>moon</b> which has a named connection definition for each peer. Although
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the IP addresses of both <b>carol</b> and <b>dave</b> are stale, thanks to
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the '%' prefix <b>moon</b> will accept the IKE negotiations from the actual IP addresses.
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carol::ipsec status 2> /dev/null::moon.*ESTABLISHED.*carol@strongswan.org.*moon.strongswan.org::YES
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dave:: ipsec status 2> /dev/null::moon.*ESTABLISHED.*dave@strongswan.org.*moon.strongswan.org::YES
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moon:: ipsec status 2> /dev/null::carol.*ESTABLISHED.*moon.strongswan.org.*carol@strongswan.org::YES
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moon:: ipsec status 2> /dev/null::dave.*ESTABLISHED.*moon.strongswan.org.*dave@strongswan.org::YES
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carol::ipsec status 2> /dev/null::moon.*INSTALLED, TUNNEL::YES
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dave:: ipsec status 2> /dev/null::moon.*INSTALLED, TUNNEL::YES
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moon:: ipsec status 2> /dev/null::carol.*INSTALLED, TUNNEL::YES
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moon:: ipsec status 2> /dev/null::dave.*INSTALLED, TUNNEL::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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dave:: ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_ALICE: icmp_seq=1::YES
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alice::tcpdump::IP carol1.strongswan.org > alice.strongswan.org: ICMP echo request::YES
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alice::tcpdump::IP alice.strongswan.org > carol1.strongswan.org: ICMP echo reply::YES
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alice::tcpdump::IP dave1.strongswan.org > alice.strongswan.org: ICMP echo request::YES
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alice::tcpdump::IP alice.strongswan.org > dave1.strongswan.org: ICMP echo reply::YES
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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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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 moon
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left=%any
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leftsourceip=%config
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leftcert=carolCert.pem
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leftid=carol@strongswan.org
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leftfirewall=yes
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right=%moon.strongswan.org
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rightsubnet=10.1.0.0/16
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rightid=@moon.strongswan.org
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auto=add
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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 updown
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}
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libstrongswan {
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dh_exponent_ansi_x9_42 = no
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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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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 moon
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left=%any
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leftsourceip=%config
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leftcert=daveCert.pem
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leftid=dave@strongswan.org
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leftfirewall=yes
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right=%moon.strongswan.org
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rightsubnet=10.1.0.0/16
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rightid=@moon.strongswan.org
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auto=add
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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 updown
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}
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libstrongswan {
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dh_exponent_ansi_x9_42 = no
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}
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# /etc/hosts: This file describes a number of hostname-to-address
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# mappings for the TCP/IP subsystem. It is mostly
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# used at boot time, when no name servers are running.
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# On small systems, this file can be used instead of a
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# "named" name server. Just add the names, addresses
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# and any aliases to this file...
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#
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127.0.0.1 localhost
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192.168.0.254 uml0.strongswan.org uml0
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10.1.0.254 uml1.strongswan.org uml1
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10.2.0.254 uml1.strongswan.org uml2
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10.1.0.10 alice.strongswan.org alice
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10.1.0.20 venus.strongswan.org venus
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10.1.0.1 moon1.strongswan.org moon1
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192.168.0.1 moon.strongswan.org moon
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192.168.0.110 carol.strongswan.org carol
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10.3.0.1 carol1.strongswan.org carol1
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192.168.0.150 winnetou.strongswan.org winnetou crl.strongswan.org ocsp.strongswan.org ldap.strongswan.org
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192.168.0.220 dave.strongswan.org dave
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10.3.0.2 dave1.strongswan.org dave1
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192.168.0.2 sun.strongswan.org sun
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10.2.0.1 sun1.strongswan.org sun1
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10.2.0.10 bob.strongswan.org bob
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# IPv6 versions of localhost and co
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::1 ip6-localhost ip6-loopback
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fe00::0 ip6-localnet
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ff00::0 ip6-mcastprefix
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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ff02::3 ip6-allhosts
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# IPv6 solicited-node multicast addresses
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ff02::1:ff00:1 ip6-mcast-1
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ff02::1:ff00:2 ip6-mcast-2
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ff02::1:ff00:10 ip6-mcast-10
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ff02::1:ff00:15 ip6-mcast-15
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ff02::1:ff00:20 ip6-mcast-20
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# IPv6 site-local addresses
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fec1::10 ip6-alice.strongswan.org ip6-alice
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fec1::20 ip6-venus.strongswan.org ip6-venus
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fec1::1 ip6-moon1.strongswan.org ip6-moon1
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fec0::1 ip6-moon.strongswan.org ip6-moon
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fec0::10 ip6-carol.strongswan.org ip6-carol
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fec3::1 ip6-carol1.strongswan.org ip6-carol1
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fec0::15 ip6-winnetou.strongswan.org ip6-winnetou
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fec0::20 ip6-dave.strongswan.org ip6-dave
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fec3::2 ip6-dave1.strongswan.org ip6-dave1
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fec0::2 ip6-sun.strongswan.org ip6-sun
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fec2::1 ip6-sun1.strongswan.org ip6-sun1
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fec2::10 ip6-bob.strongswan.org ip6-bob
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# IPv6 link-local HW derived addresses
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fe80::fcfd:0aff:fe01:14 ip6-hw-venus.strongswan.org ip6-hw-venus
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fe80::fcfd:0aff:fe01:0a ip6-hw-alice.strongswan.org ip6-hw-alice
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fe80::fcfd:0aff:fe01:01 ip6-hw-moon1.strongswan.org ip6-hw-moon1
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fe80::fcfd:c0ff:fea8:01 ip6-hw-moon.strongswan.org ip6-hw-moon
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fe80::fcfd:c0ff:fea8:64 ip6-hw-carol.strongswan.org ip6-hw-carol
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fe80::fcfd:c0ff:fea8:96 ip6-hw-winnetou.strongswan.org ip6-hw-winnetou
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fe80::fcfd:c0ff:fea8:c8 ip6-hw-dave.strongswan.org ip6-hw-dave
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fe80::fcfd:c0ff:fea8:02 ip6-hw-sun.strongswan.org ip6-hw-sun
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fe80::fcfd:0aff:fe02:01 ip6-hw-sun1.strongswan.org ip6-hw-sun1
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fe80::fcfd:0aff:fe02:0a ip6-hw-bob.strongswan.org ip6-hw-bob
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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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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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left=%any
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leftsubnet=10.1.0.0/16
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leftsourceip=PH_IP_MOON1
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leftcert=moonCert.pem
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leftid=@moon.strongswan.org
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leftfirewall=yes
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conn carol
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right=%carol.strongswan.org
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rightid=carol@strongswan.org
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rightsourceip=PH_IP_CAROL1
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auto=add
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conn dave
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right=%dave.strongswan.org
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rightid=dave@strongswan.org
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rightsourceip=PH_IP_DAVE1
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auto=add
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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 updown
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}
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libstrongswan {
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dh_exponent_ansi_x9_42 = no
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}
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carol::ipsec stop
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dave::ipsec stop
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moon::sleep 1
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moon::ipsec stop
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moon::mv /etc/hosts.ori /etc/hosts
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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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carol::ip addr del PH_IP_CAROL1/32 dev eth0
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dave::ip addr del PH_IP_DAVE1/32 dev eth0
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moon::mv /etc/hosts /etc/hosts.ori
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moon::mv /etc/hosts.stale /etc/hosts
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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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carol::ipsec start
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dave::ipsec start
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moon::ipsec start
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carol::sleep 2
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carol::ipsec up moon
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dave::ipsec up moon
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carol::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 moon carol winnetou dave"
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# Corresponding block diagram
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#
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DIAGRAM="a-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 alice"
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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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