glossary/Authentication

What is authentication?

Authentication refers to the confirmation that a user who is requesting services is a valid user of the network services requested.

Authentication is accomplished via the presentation of an identity and credentials. Examples of types of credentials are passwords, one-time tokens, digital certificates, and phone numbers (calling/called).

Authentication methods

The following authentication types are some of the many methods supported by the server:

Plaintext-Authentication-Protocol (PAP)
CHAP
MS-CHAP
MS-CHAPv2
Windows Domain Controller Authentication (via ntlm_auth and winbind)
Proxy to another RADIUS server
Local system authentication (usually through unix /etc/passwd)
rlm_pam (PAM)
rlm_ldap (PAP only)
rlm_pam (PAP only)
rlm_cram
Perl program
Python program
SIP Digest (Cisco VoIP boxes, [http://www.iptel.org/ser/ SER])
A locally executed program (like a CGI program)
rlm_krb5 authentication
X9.9 authentication token (e.g. [http://www.onlineshow.info CRYPTOCard])
rlm_eap wireless with embedded authentication methods
- EAP-MD5
- Cisco LEAP
- EAP-MSCHAP-V2 (as implemented by Microsoft),
- EAP-GTC
- EAP-SIM
- EAP-TLS
- EAP-TTLS (with any authentication protocol inside of the TLS tunnel)
- EAP-PEAP (with tunnelled EAP)

glossary/Authentication

Quick Links

What is authentication?

Authentication methods

See also