Chapter 6 from Building Internet Firewalls

    Date20 Nov 2000
    CategoryFirewalls
    4338
    Posted ByAnthony Pell
    This chapter describes a variety of ways to put firewall components together, and discusses their advantages and disadvantages. We'll tell you what some appropriate uses are for each architecture. The simplest firewall architectures have a single object that acts as . . . This chapter describes a variety of ways to put firewall components together, and discusses their advantages and disadvantages. We'll tell you what some appropriate uses are for each architecture. The simplest firewall architectures have a single object that acts as the firewall. In general, the security advantage of single-box architectures is that they provide a single place that you can concentrate on and be sure that you have correctly configured, while the disadvantage is that your security is entirely dependent on a single place. There is no defense in depth, but on the other hand, you know exactly what your weakest link is and how weak it is, which is much harder with multiple layers.
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