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Network Security Architectures by Sean Convery

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Appendix A. Glossary of Terms

3DES—

Triple DES. for further details.

See Also DES—.

AAA—

Authentication, authorization, and accounting (pronounced “triple a”).

ACK—

Acknowledgment bit in a TCP frame.

ACL—

Access control list. A list of rules that can be applied to traffic entering a network device or other computing resource. These rules are most often enforced based on the Layer 3 (L3) and Layer 4 (L4) information in a packet.

AES—

Advanced Encryption Standard. The newest standard for data confidentiality from the U.S. government. Over time, this will replace DES in most deployments.

APNIC—

Asia Pacific Network Information Center. A nonprofit Internet registry organization for the Asia Pacific region.

ARIN—

American Registry for Internet Numbers. A nonprofit ...

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