What is TACACS server key?
Creates or modifies a TACACS+ global passkey. The TACACS+ global passkey is used as a shared-secret for encrypting the communication between all TACACS+ servers and the switch. The TACACS+ global passkey is required for authentication unless local passkeys have been set.
Is TACACS encrypted?
TACACS+ provides security by encrypting all traffic between the NAS and the process. Encryption relies on a secret key that is known to both the client and the TACACS+ process. A program or software running on a security server that provides AAA services using the TACACS+ protocol.
What is TACACS password?
TACACS stands for Terminal Access Control Access-Control System. It lets administrators manage passwords and configurations on a number of routers using a single server.
How AAA plays an important role in TACACS+ server?
When the AAA accounting is enabled, a network access server will report user activity to the RADIUS or TACACS+. It is the networking protocol, which gives centralized authentication, authorization and accounting management for customers that connects and use the network service.
Is TACACS a AAA?
TACACS+ is another AAA protocol. TACACS+ was developed by Cisco from TACACS (Terminal Access Controller Access-Control System, developed in 1984 for the U.S Department of Defense).
What is the difference between Authorisation and authentication?
Simply put, authentication is the process of verifying who someone is, whereas authorization is the process of verifying what specific applications, files, and data a user has access to. Authentication is used to verify that users really are who they represent themselves to be.
What is Cisco AAA?
By default, a Cisco IOS device performs authentication based on a line password and authorization based on a level 15 enable password. The solution to this is AAA, an acronym for Authentication, Authorization and Accounting. This allows an administrator to configure granular access and audit ability to an IOS device.
What does AAA authentication do?
AAA stands for authentication, authorization, and accounting. AAA is a framework for intelligently controlling access to computer resources, enforcing policies, auditing usage, and providing the information necessary to bill for services.
How do I set the authentication encryption key for TACACS+?
To set the authentication encryption key used for all TACACS+ communications between the access server and the TACACS+ daemon, use the tacacs-server key command in global configuration mode. To disable the key, use the no form of this command.
What is the TACACS+ key specification?
Specifies a TACACS+ key for all TACACS+ server. You can specify that the key-value is in clear text format (0), is type-6 encrypted (6), or is type-7 encrypted (7). The Cisco NX-OS software encrypts a clear text key before saving it to the running configuration.
How do I disable Tacacs server key?
tacacs-server key To set the authentication encryption key used for all TACACS+ communications between the access server and the TACACS+ daemon, use the tacacs-server key command in global configuration mode. To disable the key, use the no form of this command.
Does the service password have anything to do with the TACACS?
11-11-2005 10:17 AM Will is correct and service password has everything to do with scrambling the TACACS key. There are some (recent) version of IOS that do support this and there are some (older) versions that do not.