25, 201
Asymmetric key, 25
AES. See Advanced Encryption
ATM machine, 236
Standard
attack (extension), 332
AH. See Authenticated Header;
Attacks, 24. See also Denial of Service
Authentication Header
prevention. See Internet Protocol
alert (keyword), 89
traffic
ALG. See Application Level Gateway
dropping, 426
Allow, 169
terminating, 426
Allowance, 154–156
Attribute value (AV) pairs, 268
Amazon, 10
Audit rule, 334
AND operation, 54
audit trail (keyword), 89
Anonymous FTP, 318
Audit trails, 15, 97, 336
Anti-replay, 211
AUP. See Acceptable Usage Policy
feature, 203
Auth-proxy (authorization type), 264
any (keyword), 56–57, 63, 80
Authen_service, 161
AppleTalk, 34
Authenticated Header (AH), 228
AppleTalk Remote Access (ARA), 35,
Authentication, 13–14, 34–37, 158–159,
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