EAP Short for Extensible Authentication Protocol, EAP sits inside of
Point-to-Point Protocol’s (PPP) authentication protocol and provides
a generalized framework for several different authentication
methods. EAP is supposed to head off proprietary authentication
systems and let everything from passwords to challenge-response
tokens and public-key infrastructure certificates all work smoothly.
EAP-FAST EAP-FAST, like EAP-TTLS and PEAP, uses tunneling to protect
traffic. The main difference is that EAP-FAST does not use
certificates to authenticate.
EAP-GTC The EAP-GTC (Generic Token Card) is similar to the EAP-OTP
except with hardware token cards. The request contains a
displayable message, and the response contains the string read
from the hardware token card.
EAP-OTP EAP-OTP (One-Time Password) is similar to MD5, except it uses
the OTP as the response. The request contains a displayable
message. The OTP method is defined in RFC 2289. The OTP
mechanism is employed extensively in VPN and PPP scenarios but
not in the wireless world
EAP-SIM Extensible Authentication Protocol-Subscriber Identity Module (EAP-
SIM) authentication can be used with:
● Network Authentication types: Open, Shared, and WPA-
Enterprise, WPA2-Enterprise.
● Data Encryption types: None, WEP and CKIP.
A SIM card is a special smart card that is used by GSM-based
digital cellular networks. The SIM card is used to validate your
credentials with the network
EAP-TLS A type of authentication method using EAP and a security protocol
called the Transport Layer Security (TLS). EAP-TLS uses
certificates that use passwords. EAP-TLS authentication supports
dynamic WEP key management.
EAP-TTLS A type of authentication method using EAP and Tunneled Transport
Layer Security (TTLS). EAP-TTLS uses a combination of certificates
and another security method such as passwords.
Encryption Scrambling data so that only the authorized recipient can read it.
Usually a key is needed to interpret the data.
FHSS Frequency-Hop Spread Spectrum. Technology used in radio
transmission. Incompatible with DSSS.
File and
printer sharing
A capability that allows a number of people to view, modify, and
print the same file(s) from different computers.
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