Appendix A

List of Acronyms

The following acronyms are used in various parts of the book.

ACE

Access control entry (in an access control list)

ACK

Acknowledgement

ACL

Access control list

ADSL

Asynchronous digital subscriber line

AES

Advanced encryption standard

AH

Authentication header

AI

Authentication information

AIRMIC

Association of Insurance and Risk Managers (UK)

ALARM

The national forum for risk managers in the UK public sector

ALE

Annual loss expectancy

ANSI

American National Standards Institute

API

Application program interface

ASCII

American standard code for information interchange

AS/NZS

Australian standard and New Zealand standard

ASN.1

Abstract syntax notation number 1

B2B

Business-to-business ...

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