What is needed to allow specific traffic that is sourced on the outside network of an ASA firewall to reach an internal network?
- ACL
- NAT
- dynamic routing protocols
- outside security zone level 0
Explanation: In order to explicitly permit traffic from an interface with a lower security level to an interface with a higher security level, an ACL must be configured. By default, traffic will only flow from a higher security level to a lower.
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