Appendix A. Cisco Access List Sample Configurations
This appendix comprises two access lists that demonstrate possible ways to securely configure a Cisco router as a standalone security device. These sections use best practices as described in Chapter 2, “Packet Filtering,” and Chapter 6, “The Role of a Router,” listed out so that a complete configuration can be seen in its entirety. The first access list is used to demonstrate a network that has no publicly shared resources, and the second access list illustrates an example of a network with publicly accessible mail, DNS, and web servers.
Complete Access List for a Private-Only Network
The following sample access list is appropriate for a network that has outbound and return traffic only, with ...
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