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- The roadwarriors <b>carol</b> and <b>dave</b> set up a connection each
- to gateway <b>moon</b>. The authentication is based on distinct <b>pre-shared keys</b>
- and <b>Fully Qualified Domain Names</b> and includes a <b>Postquantum Preshared Key (PPK)</b>
- that's also mixed into the derived key material. The PPK_ID used by <b>dave</b> is
- unknown to <b>moon</b> but since both peers don't enforce the use of a PPK they fall back
- to regular authentication by use of the authentication data provided in the NO_PPK_AUTH
- notify.
- 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> ping the client <b>alice</b> behind the gateway <b>moon</b>.
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