18.Click the Network Relationship tab. The default setting is Network Address Translation (NAT). This is a slightly higher security configuration because it hides the addresses of the Internal network clients that connect to perimeter network hosts. However, NAT relationships can complicate access for certain protocols as not all protocols support address translation. In our current example, select the Route relationship to improve on the level of protocol access at the cost of a slight reduction in overall security. Keep in mind that, at this point, there are no Access Rules that allow access to the Internal network from the perimeter network.
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