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SSL VPN by Joseph Steinberg, Tim Speed

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The DMZ

The DMZ is an isolated network placed as a buffer area between a company's Trusted Network and the Non-trusted Network. The Internet is always defined as untrusted. By design, the DMZ prevents outside users from gaining direct access to the Trusted Network. The following figure shows a generic DMZ:

The DMZ

Most DMZs are configured via a set of rules that are controlled by the Policies and then implemented via the Procedures for your organization. One of the most common rules is that a single port number (like 80) cannot traverse the DMZ. So if you are attempting to access an application on a DMZ via HTTP on port 80, then that port cannot terminate ...

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