Chapter 3. Inbound Traffic, ACLs, Object Grouping

Requirements for Inbound Traffic

Now that you have basic outbound traffic configured, you are probably wondering how to allow inbound access to your servers. That answer is simple: Network Address Translation (NAT). We’re not just talking any type of NAT, however, because there are a number of methods for doing NAT. You might come across the following types of NAT:

  • Dynamic outbound NAT: You configured this in Chapter 2, “Getting Started with Cisco Security Appliance Configurations.”

  • Dynamic outbound PAT: The configuration is the same as Chapter 2, but instead of a pool of addresses you just put a single address.

  • Dynamic inbound NAT: Used when connecting two networks with the same internal IP addressing. ...

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