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Jake is a junior IT administrator within your company, has just created the following ACL and applied it to the outside interface of the internet router. E-mail is working however all other traffic is now being denied.
ACL: Access-list 101 permit tcp any host [*email_server_ip*] eq 25
What is the most likely reason for this?
The access list should not be applied to an interface
The two events are most likely unrelated
The implicit deny rule is blocking all other traffic
The access list is applied to the wrong interface
The implicit deny rule states that all traffic that is not explicitly permitted is denied.
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