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<sect1>
<title>Synopsis</title>
- <para>The following chapter will provide a basic introduction to
- system security concepts, some general good rules of thumb, and some
- advanced topics such as S/Key, OpenSSL, Kerberos, and others.</para>
+ <para>This chapter will provide a basic introduction to system security
+ concepts, some general good rules of thumb, and some advanced topics
+ under FreeBSD. 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 <quote>friendly</quote> place in which everyone
+ wants to be your kind neighbor. Securing your system is imperative
+ to protect your data, intellecutal property, time, and much more
+ from the hands of hackers and the like.</para>
+
+ <para>FreeBSD provides an array of utilities and mechanisms to
+ ensure the integrity and security of your system and
+ network.</para>
+
+ <para>After reading this chapter, you will know:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>Basic system security concepts, in respect to FreeBSD.</para>
+ </listitem>
+
+ <listitem>
+ <para>About the various crypt mechanisms available in FreeBSD,
+ such as DES and MD5.</para>
+ </listitem>
+
+ <listitem>
+ <para>How to setup S/Key, an alternative, one-time password
+ authentication system.</para>
+ </listitem>
+
+ <listitem>
+ <para>How to setup Kereberos, another alternative
+ authentication system.</para>
+ </listitem>
+
+ <listitem>
+ <para>How to create firewalls using IPFW.</para>
+ </listitem>
+
+ <listitem>
+ <para>How to configure IPSec.</para>
+ </listitem>
+
+ <listitem>
+ <para>How to configure and use OpenSSH, FreeBSD's SSH
+ implementation.</para>
+ </listitem>
+ </itemizedlist>
+
+ <para>Before reading this chapter, you should:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>Understand basic FreeBSD and Internet concepts.</para>
+ </listitem>
+ </itemizedlist>
+
</sect1>
<sect1 id="security-intro">