Which outbound access list, applied to the WAN interface of a router, permits all traffic except for http traffic sourced from the workstation with IP address 10.10.10.1?
Which outbound access list, applied to the WAN interface of a router, permits all traffic except for http traffic sourced from the workstation with IP address 10.10.10.1?
A. ip access-list extended 100
deny tcp host 10.10.10.1 any eq 80
permit ip any any
B. ip access-list extended 200
deny tcp host 10.10.10.1 eq 80 any
permit ip any any
C. ip access-list extended NO_HTTP
deny tcp host 10.10.10.1 any eq 80
D. ip access-list extended 10
deny tcp host 10.10.10.1 any eq 80
permit ip any any
Answer: A
Explanation:
The correct answer is Option A. This option specifies an access list that denies HTTP traffic from the host with the IP address 10.10.10.1 while permitting all other traffic. This is achieved by denying TCP traffic on port 80, which is the default port for HTTP, from the specified host and allowing all other IP traffic.
References: = Implementing and Operating Cisco Service Provider Network Core Technologies
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