For added security, you can now configure a firewall as part of your system installation. You can choose from two levels of security, as well as choosing which common system services should be allowed or disallowed by default. It creates an rsa or dsa key if needed and copies the public half to the server. Once the process is done, you'll be able to log in with the passphrase and key instead of a password. It also includes procmail filtering mechanisms.
All services are self-contained modules which can be prioritized easily in the ipchains stack.
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