KDC (Key Distribution Center), 81, 898
Kerberos
alternate implementations of, 799
authentication in Windows 2000, 81
for cross-domain relationships, 791
for domain controllers, 122
IP Security Policy Wizard and, 739
policy settings, 825–826
Key Distribution Center (KDC), 81, 898
key recovery agent, 884
keys
exchange settings, 743–744
key pairs, 864
lifetimes, 735
pre-shared, IPSec and, 763–764
in Public Key Infrastructure, 69–70
known-plaintext attack, 807