Chapter 17

1: How does the AAA server provide authorization information to the NAS?
A1: Answer: It uses the authorization response message containing the attributes for authorization.
2: What types of messages does TACACS+ use for authentication?
A2: Answer: It uses four types of messages for authentication: Accept, Reject, Fail, and Continue.
3: What types of messages does TACACS+ use for accounting purposes?
A3: Answer: It uses start record, stop record, and continue record for accounting.
4: What algorithm does TACACS+ employ for encryption?
A4: It uses a combination of XOR and MD5 to calculate cipher texts.
5: What is a pseudo_pad?
A5: All the hashes calculated using MD5 are concatenated and then are truncated to the length of the data that is to be ...

Get Network Security Principles and Practices now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.