This chapter will provide a basic introduction to system security concepts, some general good rules of thumb, and some advanced topics under DragonFly. A lot of the topics covered here can be applied to system and Internet security in general as well. The Internet is no longer a ``friendly'' place in which everyone wants to be your kind neighbor. Securing your system is imperative to protect your data, intellectual property, time, and much more from the hands of hackers and the like.
DragonFly provides an array of utilities and mechanisms to ensure the integrity and security of your system and network.
After reading this chapter, you will know:
Basic system security concepts, in respect to DragonFly.
About the various crypt mechanisms available in DragonFly, such as DES and MD5.
How to set up one-time password authentication.
How to set up KerberosIV.
How to set up Kerberos5.
How to create firewalls using IPFW.
How to configure IPsec and create a VPN between DragonFly/Windows® machines.
How to configure and use OpenSSH, DragonFly's SSH implementation.
Before reading this chapter, you should:
Understand basic DragonFly and Internet concepts.
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