ACL is an acronym of “Access Control List” are being used in networking devices such as routers, switched to authorized and limit the flow of data inside as well as outside the network interfaces. Each entry in a typical ACL specifies a subject and an operation.
For instance, if a file object has an ACL that contains (Alice: read,write; Bob: read), this would give Alice permission to read and write the file and Bob to only read it.
The attached devices carefully examine the data flow and compare it to the mentioned criterion in the access control list than allow the data to move in or out. The ACL list provides security to the entire network.
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Martin Cooper (inventor) Inventing handheld cellular mobile phone Making world’s first handheld cellular mobile phone call. Martin “Marty” Cooper (born December 26, 1928) is an American engineer.