HP GbE2c HP GbE2c Ethernet Blade Switch for c-Class BladeSystem Browser-based - Page 121
Switch TACACS+ Configuration, whereas RADIUS uses the User Datagram Protocol UDP. Also
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Switch TACACS+ Configuration To display the following form, select System > Tacacs+. TACACS+ (Terminal Access Controller Access Control System) is an authentication protocol that allows a remote access server to forward a user's logon password to an authentication server to determine whether access can be allowed to a given system. TACACS+ and Remote Authentication Dial-In User Service (RADIUS) protocols are more secure than the TACACS encryption protocol. TACACS+ is described in RFC 1492. TACACS+ protocol is more reliable than RADIUS, as TACACS+ uses the Transmission Control Protocol (TCP) whereas RADIUS uses the User Datagram Protocol (UDP). Also, RADIUS combines authentication and authorization in a user profile, whereas TACACS+ separates the two operations. TACACS+ offers the following advantages over RADIUS as the authentication device: • TACACS+ is TCP-based, so it facilitates connection-oriented traffic. • It supports full-packet encryption, as opposed to password-only in authentication requests. • It supports decoupled authentication, authorization, and accounting. Configuring the switch 121