EAP and 802.1x

Question 1

What is EAP?

Answer 1

Extensible authentication protocol, its a framework for authentication, used in wireless networks, expands upon PPP authentication

Question 2

What are the EAP FAST?

Answer 2

EAP-FAST-cisco technology for wireless networks and P2P communication it performs session authentication

Question 3

What is EAP TLS?

Answer 3

A popular EAP methods, if you have to do mutual authentication, or token,

Question 4

What is EAP TTLS

Answer 4

This is done by doing a secure tunnel to send the encrypted authentication method

Question 5

What is 802.1X?

Answer 5

It is port based authentication using a supplicant(wireless client), authenticator (WLAN controller, 802.1X compliant Accesss point),
authentication server (Radius server)

Question 6

What is RADius?

Answer 6

It is a open standard and uses UDP ports 1812,1813, 1812 is for authentication, then authorization and accounting

Question 7

What is TACACS+?

Answer 7

cisco proprietary and seperates the authentication, authorization and accounting, and uses TCP and encryption.

Question 8

What is Kerberos?

Answer 8

It was developed by MIT and it was open source, and it time based authentication and it the default for MS active directory.

Question 9

Kerberos componants?

Answer 9

Authentication server, a key distribution center, ticket-granting ticket, ticker granting service.