How do I find my Cisco access control List?
To display the contents of current access lists, use the show access-lists privileged EXEC command. To display the contents of all current IP access lists, use the show ip access-list EXEC command.
How configure Cisco ASA access-list?
The purpose of the sample configuration is to allow all IP (including ICMP) traffic to be allowed from IP 172.16. 1.10, which currently resides off of the Left interface to IP 192.168….ASA ACL Configuration Example.
| 1 | Enter privileged EXEC mode. | asa>enable |
|---|---|---|
| 5 | Configure an interface name. | asa(config-if)#nameif Left |
Which command shows if an access-list is assigned to an interface?
The only command that shows which access lists have been applied to an interface is show ip interface Ethernet 0.
How do I reset my access-list counter?
To clear IP access list counters, use the clear ip access-list counters command in privileged EXEC mode. The counter counts the number of packets that match each permit or deny statement in an access list.
Where is ACL applied?
firewall router
Normally ACLs reside in a firewall router or in a router connecting two internal networks. You can set up ACLs to control traffic at Layer 2, Layer 3, or Layer 4. MAC ACLs operate on Layer 2. IP ACLs operate on Layers 3 and 4.
What is access control list?
An access control list (ACL) is a list of rules that specifies which users or systems are granted or denied access to a particular object or system resource. Access control lists are also installed in routers or switches, where they act as filters, managing which traffic can access the network.
How do I reset my access list counter?
Which router command allows you to view the entire contents of all access lists?
The show access-lists command
14. Which router command allows you to view the entire contents of all access lists? Explanation: The show access-lists command will allow you to view the entire contents of all access lists, but it will not show you the interfaces to which the access lists are applied.
Which command statement configures a valid access list?
Which command statement configures a valid access list? Answer C. Using the command access-list 143 permit tcp host 192.168. 8.3 eq 80 any is a valid statement.
How do I display the hit counters for an access list?
To display the hit counters and a timestamp value for an access list, use the show access-list command in privileged EXEC mode. (Optional) Displays the access list identifiers, the hit count, and the timestamp of the last rule hit, all in hexadecimal format.
How do access-lists work on the ASA?
If you have no idea how access-lists work then it’s best to read my introduction to access-lists first. Without any access-lists, the ASA will allow traffic from a higher security level to a lower security level. All other traffic is dropped. If you have no idea what security levels on the ASA are about then read this post first.
How do I see ACL contents and activity counters?
Use this EXEC command to see a breakdown of ACL contents and activity counters: Firewall# show access-list [acl id] Each line of the ACL is shown, along with a hit counter indicating how many connections or flows (or packets for ICMP) have been matched by that line.
How can I monitor the use of access lists?
After an access list has been configured and applied to an interface, you can monitor its use. Use this EXEC command to see a breakdown of ACL contents and activity counters: