When would TACACS+ be used over RADIUS?

When would TACACS+ be used over RADIUS?

RADIUS was designed to authenticate and log remote network users, while TACACS+ is most commonly used for administrator access to network devices like routers and switches.

Should I use RADIUS or Tacacs?

As TACACS+ uses TCP therefore more reliable than RADIUS. TACACS+ provides more control over the authorization of commands while in RADIUS, no external authorization of commands is supported. All the AAA packets are encrypted in TACACS+ while only the passwords are encrypted in RADIUS i.e more secure.

What is the difference between RADIUS and TACACS+?

The most important difference between RADIUS and TACACS+ is the network transport protocol: RADIUS uses UDP to exchange information between the NAS and the AAA server, while TACACS+ uses TCP. However, this makes RADIUS perform better (less overhead).

What is the advantage of using TACACS+ in user authentication?

It is more stable because it uses TCP instead of UDP, and it is more secure because it encrypts the whole packet instead of just hashing passwords. The biggest advantage of using TACACS+ is that it enables more granular access controls than RADIUS.

Where is RADIUS protocol used?

RADIUS stands for Remote Authentication Dial-In User Service, is a security protocol used in the AAA framework to provide centralized authentication for users who want to gain access to the network.

Is RADIUS a TCP or UDP?

RADIUS is a client/server protocol that runs in the application layer, and can use either TCP or UDP.

Is RADIUS still used?

RADIUS has evolved far beyond just the dial up networking use-cases it was originally created for. Today it is still used in the same way, carrying the authentication traffic from the network device to the authentication server.

Does RADIUS use TCP or UDP?

Does TACACS+ use TCP or UDP?

TACACS+ uses TCP (while RADIUS operates over UDP). Since TCP is a connection oriented protocol, TACACS+ has to implement transmission control.

What are three characteristics of the RADIUS protocol?

What are three characteristics of RADIUS? Answers B, C, and E are correct. RADIUS is an open standard developed by the IETF; it uses UDP/IP and is only able to encrypt passwords. Answers A and D describe TACACS+; it is Cisco proprietary, uses TCP/IP, and encrypts all the data.

What is the characteristics of the RADIUS protocol?

Features – Some of the features of RADIUS are:

• Open standard protocol for AAA framework i.e it can use between any vendor device and Cisco ACS server.
• It uses UDP as a transmission protocol.
• It uses UDP port number 1812 for authentication and authorization and 1813 for accounting.

Is TCP a RADIUS?

RADIUS is a client/server protocol that runs in the application layer, and can use either TCP or UDP. Network access servers, which control access to a network, usually contain a RADIUS client component that communicates with the RADIUS server. RADIUS is often the back-end of choice for 802.1X authentication.

What’s the difference between RADIUS, TACACS and Kerberos?

Radius only has a leg up on TACACS because it can be encrypted where TACACS isn’t. Radius is used for network device control and network access control (dot1X). Kerberos is buried somewhere in the Microsoft stack and I never directly touch it. RHEL directory server too, I think.

What is the difference between radius and TACACS +?

In modern networks, the two principal AAA solutions are the Remote Authentication Dial-In User Service (RADIUS) and Cisco’s Terminal Access Controller Access-Control System Plus (TACACS+) protocols.

Which is TCP port does TACACS + use?

Terminal Access Controller Access Control System (TACACS+) is Cisco proprietary protocol which is used for the communication of the Cisco client and Cisco ACS server. It uses TCP port number 49 which makes it reliable.

What is the underlying architecture of the TACACS + protocol?

The protocol was designed to scale as networks grow, and to adapt to new security technology as the market matures. The underlying architecture of the TACACS+ protocol complements the independent authentication, authorization, and accounting (AAA) architecture.