Security concepts

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12 Terms

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RADIUS

Centrilazed AAA over UDP

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TACACS+

Cisco AAA protocol over TCP

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DMZ

Public Facing network zone

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Proxy

Filters internet access for clients

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Site-to-Site VPN

Connects two networks (like offices) over an encrypted tunnel

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Remote access VPN

Individual users connect to a private network via VPN software

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Client-to-Site VPN

User device connects securely to corporate network

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SSL VPN

Browser-based VPN using HTTPS (port 443), no client needed

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WEP

Weak encryption. never use

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WPA2 Secure encryption

Secure encryption

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Split Tunneling

Routes some traffic through VPN and some directly to the internet

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802.1X

A standard for port-based network access control (PNAC), primarily used to authenticate and authorize devices attempting to connect to a network.