Chapter 9. Security
Access Lists / Extended IP Access Lists
Many types of access lists are available in Cisco IOS Software for many different protocols. See Table 9-1 for a complete list.
Table 9-1 Cisco IOS Software Access Lists
You are permitted one access list per protocol, per interface, per direction.
Figure 9-1 Access Control Lists
At the end of every access list is an implied deny-all-traffic access control entry (ACE). Therefore, if a packet does not match any of your criteria statements, it is blocked.
Remember that the order of access ...
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