RADIUS Attribute - User Name

Owned by Kelli Higdon
Last updated: Mar 06, 2024
1 min read

As per RFC 2865

This Attribute indicates the name of the user to be authenticated. It MUST be sent in Access-Request packets if available. It MAY be sent in an Access-Accept packet, in which case the client SHOULD use the name returned in the Access-Accept packet in all Accounting-Request packets for this session.  If the Access-Accept includes Service-Type = Rlogin and the User-Name attribute, a NAS MAY use the returned User-Name when performing the Rlogin function. A summary of the User-Name Attribute format is shown below. The fields are transmitted from left to right.

 

Type (IETF Number) = 1 for User-Name.

Length >= 3

String = The String field is one or more octets. The NAS may limit the maximum length of the User-Name but the ability to handle at least 63 octets is recommended. The format of the username MAY be one of several forms described below:

 

 

text

Consisting only of UTF-8 encoded 10646 [7] characters.

network access identifier

A Network Access Identifier as described in RFC 2486[8].

distinguished name

A name in ASN.1 form used in Public Key authentication systems.

 

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