Using <b>[<protocol>/<port>]</b> selectors in the
<b>local_ts</b> and <b>remote_ts</b> child parameters, three IPsec tunnels
between the roadwarrior <b>carol</b> and the gateway <b>moon</b> are defined.
The first CHILD_SA is restricted to ICMP request packets, the second
covers ICMP reply packets and the third TCP-based FTP and SSH connections.
The established tunnels are tested by <b>carol</b> by first pinging <b>alice</b>
behind <b>moon</b> and then setting up an SSH session to the same client.
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