Chapter 7. Through ASA Without NAT

This chapter covers the following topics:

• Types of access through the firewall

• Additional thoughts about security levels

• ICMP connection examples

• UDP connection examples

• TCP connection examples

• Same security access

• Handling ACLs and Object-Group

“When liberty destroys order, the hunger for order will destroy liberty.” —Will Durant

After getting acquainted with the tools that help you understand the behavior of firewall functionality and with the various connectivity models, it is time to turn the attention to the security features. This chapter studies the establishment of connections through firewalls that are based on the Adaptive Security Algorithm (ASA family), in situations that do not ...

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