ACL = Access Control List; list of access control entries that describe what type access is permitted from where, by who, and to what; term is often used in networking for firewall, router, and switch configurations (wikipedia)

AES = Advanced Encryption Standard; also known as Rinnsale; established by the United States National Institute of Standards & Technology in 2001; block cypher with 128 bits block size; key length is 128, 192, or 256 bits (wikipedia)