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Brocade ICX 6650 Security Configuration Guide 27
53-1002601-01
TACACS and TACACS+ security
Telnet connections (inbound):
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2 closed
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Telnet connection (outbound):
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SSH connections:
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stack9#
TACACS authentication
NOTE
Also, multiple challenges are supported for TACACS+ login authentication.
When TACACS authentication takes place, the following events occur.
1. A user attempts to gain access to the Brocade device by doing one of the following:
• Logging into the device using Telnet or SSH
• Entering the Privileged EXEC level or CONFIG level of the CLI
2. The user is prompted for a username and password.
3. The user enters a username and password.
4. The Brocade device sends a request containing the username and password to the TACACS
server.
5. The username and password are validated in the TACACS server database.
6. If the password is valid, the user is authenticated.
TACACS+ authentication
When TACACS+ authentication takes place, the following events occur.
1. A user attempts to gain access to the Brocade device by doing one of the following:
• Logging into the device using Telnet or SSH
• Entering the Privileged EXEC level or CONFIG level of the CLI
2. The user is prompted for a username.
3. The user enters a username.
4. The Brocade device obtains a password prompt from a TACACS+ server.
5. The user is prompted for a password.
6. The user enters a password.
7. The Brocade device sends the password to the TACACS+ server.