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Appendix F. Security Messages for Authentication

ROS® v3.11User Guide 135 RMC30

Appendix F. Security Messages for

Authentication

The following describes the authentication-related security messages that can be generated

by ROS®.

F.1. Security Messages for Login Authentication

ROS® provides various logging options related to login authentication. A user can log into a

ROS® device in three different ways: Console, SSH or Telnet. ROS® can log messages in the

syslog, send a trap to notify an SNMP manager, and/or raise an alarm when a successful and

unsuccessful login event occurs. In addition, when a weak password is configured on a unit

or when the primary authentication server for TACACS+ or RADIUS is not reachable, ROS®

will raise alarms, send SNMP traps and log messages in the syslog.

The following is a list of log and alarm messages related to user authentication:

• Weak Password Configured

• Login and Logout Information

• Excessive Failed Login Attempts

• RADIUS Server Unreachable

• TACACS Server Unreachable

• TACACS Response Invalid

• SNMP Authentication Failure

All alarms and log messages related to login authentication are configurable. See

Section 4.1.4, “Configuring Alarms” for more information.

Weak Password Configured

ROS® generates this alarm and logs a message in the syslog when a weak password is

configured in the Passwords table.

Message Name Alarm SNMP Trap Syslog

Weak Password

Configured

Yes Yes Yes

Table F.1. Configurable Options

ROS® generates this alarm and logs a message in the syslog when a successful and

unsuccessful login attempt occurs. A message is also logged in the syslog when a user with

certain a privilege level is logged out from the device.

Console, Telnet or RSH). However, when a user logs out, a message is only logged when the

user is accessing the device through SSH, Telnet or Console.

Message Name Alarm SNMP Trap Syslog

Successful Login Yes Yes Yes

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