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- <p>The roadwarriors <b>carol</b> and <b>dave</b> set up a connection each
- to gateway <b>moon</b>. The authentication is based on <b>X.509 certificates</b>.
- To authorize clients, <b>moon</b> expects attribute certificates sent inline in
- IKEv2 CERT payloads. <b>Carol</b> provides a valid attribute certificate for
- the group <i>sales</i>, but <b>dave</b> offers two invalid attribute
- certificates: One is not for the <i>sales</i> group, and the other is issued by
- an AA that has been expired.</p>
- <p>Upon the successful establishment of the IPsec tunnels, <b>leftfirewall=yes</b>
- automatically inserts iptables-based firewall rules that let pass the tunneled traffic.
- In order to test both tunnel and firewall, both <b>carol</b> and <b>dave</b> try
- to ping the client <b>alice</b> behind the gateway <b>moon</b>, but dave fails
- to do so.</p>
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