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- The roadwarrior <b>carol</b> and the gateway <b>moon</b> use the <b>Crypto API</b>
- of the Linux kernel via the <b>af_alg</b> userland interface for all symmetric
- encryption and hash functions whereas roadwarrior <b>dave</b> uses the default
- <b>strongSwan</b> cryptographical plugins <b>aes des sha1 sha2 md5 gmp</b>.
- <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>.
- Upon the successful establishment of the IPsec tunnel automatically iptables-based
- firewall rules are inserted which 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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