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- The roadwarriors <b>carol</b> and <b>dave</b> set up a connection to gateway <b>moon</b>.
- The authentication is based on Pre-Shared Keys (<b>PSK</b>)
- followed by extended authentication (<b>XAUTH</b>) of <b>carol</b> and <b>dave</b>
- based on user names and passwords. Next <b>carol</b> and <b>dave</b> request a
- <b>virtual IP</b> via the IKE Mode Config protocol by using the <b>leftsourceip=%config</b>
- parameter. The virtual IP addresses are registered under the users' XAUTH identity.
- <p>
- Upon the successful establishment of the IPsec tunnel, leftfirewall=yes automatically
- inserts iptables-based firewall rules that let pass the tunneled traffic.
- In order to test both tunnel and firewall, <b>carol</b> and <b>dave</b> ping the client
- <b>alice</b> behind the gateway <b>moon</b>.
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