Radius: Access-Accept

Access-Accept packet sent by Radius server to radius client, once all the credentials of user are verified. On reception of an Access-Accept, the Identifier field is matched with a pending Access-Request.  The Response Authenticator field must contain the correct response for the pending Access-Request. Invalid packets are silently discarded.

Following is the packet format for Access-Accept.

Code field

It is set to 2 for Access-Accept packet.

Identifier field

The Identifier field is a copy of the Identifier field of the Access-Request, which caused this Access-Accept.

Response Authenticator

Response authenticator value computed using following logic.

ResponseAuth=MD5(Code+ID+Length+RequestAuth+Attributes+Secret)

Attributes field

This file can contain a list of zero or more Attributes. Its size can vary in length.

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