Which Address Is Required In The Command Syntax Of A Standard Acl?

Which Address Is Required In The Command Syntax Of A Standard Acl?

Source IP address is required in the command Syntax of standard ACL. Today let us discuss the ACL in detail. ACL stands for access control list. It is a private type of network which will heavily be protected by various different network devices. The networking devices are nothing but routers, firewalls, proxy servers, and many more.

The router is mainly used in order to connect different types of networks together. The main primary function of this router is to transfer the packets based on layer 3 of the IP address. The late three is nothing but the network layer of the OSI model. This is considered the most important function of the router.

This access control list will be set up in order to control the traffic in both of the directions mean both in incoming direction and outgoing direction.

Normally the access control list will inform the router in order to permit or deny the traffic according to the following rules Or variables like source IP address, source Subnet Mask, destination IP address, and destination Subnet Mask.

Typically, all the subnet masks are mainly used in order to define different types of segments that are present within the network.

The ACL of the router can able to control the traffic based on the transfer control protocol or user datagram protocol or through the port numbers and many more. Normally, we will be having various reasons in order to use the ACLs. The main goal of using the access control list is to provide the basic level of security in the network.

This access control list is also called the rule-based list that is mainly used by the switches and routers in order to identify the traffic that is based on the features or characteristics of the IP addresses and port numbers. Once we identified this we can able to filter the traffic that is present in this list.

We can able to identify the traffic on the basis of the source and destination addresses and also the port numbers. As we said earlier the main use of this access control list is in order to deny or permit the traffic.

This is nothing but we can able to configure the network address translation and we can able to and we can able to allow or deny the quality of services. Now let us date an example in order to understand this.

Let’s say we have a router that has a configuration of ACL. This is serial will be configured with all the rules that can able to tell which of the traffic is allowed in order to pass through it and which traffic is not allowed to pass through it. Let’s say if you want to hello all the traffic which is destined to send to the server, but in the same way, if you want to block or reject all the traffic. Now this will be possible by using the access control list