CISSP For Dummies
- L2F (Layer 2 Forwarding Protocol)
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A VPN protocol similar to PPTP.
- L2TP (Layer 2 Tunneling Protocol)
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A VPN protocol similar to PPTP and L2F.
- LAN
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Local area network.
- Lattice-based access controls
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A method for implementing mandatory access controls in which a mathematical structure defines greatest lower-bound and least upper-bound values for a pair of elements: for example, subject and object.
- LDAP (Lightweight Directory Access Protocol)
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An IP protocol and data storage model that supports authentication and directory functions.
- Least privilege
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A principle requiring that a subject is granted only the minimum privileges necessary to perform an assigned task.
- Link encryption
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Packet encryption and decryption at every node along the network path. Requires each node to have separate key pairs for its upstream and downstream neighbors.
- Logic bomb
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A program, or portion thereof, that is designed to perform some malicious function given the realization of a predetermined circumstance.
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