What is the purpose of an access 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.

What are the features of an IP access list?

An access-list that is widely used as it can differentiate IP traffic. It uses both source and destination IP addresses and port numbers to make sense of IP traffic. You can also specify which IP traffic should be allowed or denied. They use the numbers 100-199 and 2000-2699.

What is the concept of ACL explain in detail?

Access-list (ACL) is a set of rules defined for controlling network traffic and reducing network attacks. ACLs are used to filter traffic based on the set of rules defined for the incoming or outgoing of the network.

What is the purpose of an access list for a router?

The Quick Definition: Access lists, also known as access control lists, are configured on routers and used to regulate traffic entering and exiting networks. Access lists can be configured for all routed network protocols such as IP.

What are the benefits of access control list?

The advantages of using access control lists include:

  • Better protection of internet-facing servers.
  • More control of access through entry points.
  • More control of access to and traffic between internal networks.
  • More granular control of user and group permissions.

What is true about access control lists?

ACLs are the packet filters of a network. They can restrict, permit, or deny traffic which is essential for security. An ACL allows you to control the flow of packets for a single or group of IP address or different for protocols, such as TCP, UDP, ICMP, etc.

How do I delete a name from my access list?

To completely remove an entire ACL, first remove it from the interface by using the no ip access-group access-list-number command on the specific interface and then use the global configuration no access-list access-list-number command to delete the entire ACL.

What is IP access group?

To control access to an interface, use the ip access-group interface configuration command. To remove the specified access group, use the no form of this command. ip access-group {access-list-number | name}{in | out}

What are the advantages and disadvantages of access control lists?

– Advantage: ∗ Easy to know the access right of a given subject. ∗ Easy to revoke a users access right on all objects. – Disadvantage: ∗ Difficult to know who can access a given object. ∗ Difficult to revoke all access right to an object.

What is the main problem with access control list?

The general way of protection is to associate identity-dependent access with all the files and directories an list called access-control list (ACL) which specify the names of the users and the types of access associate with each of the user. The main problem with the access list is their length.

What is an access control list quizlet?

Access Control List – A series of IOS commands that control whether a router forwards or drops packets based on information found in the packet header.