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Oracle Integrated Lights Out Manager (ILOM) 3.1

Security Guide

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Document Information

1.  Oracle ILOM Security Principles and Considerations

Key Deployment Security Considerations for Oracle ILOM

Important Security Principles for Oracle ILOM

General Security Principles

Basic Security Principles

2.  Oracle ILOM Security at Deployment

Understanding the Default Settings of Oracle ILOM

Changing the Default root User Account

Understanding User Roles and Privileges

Enabling or Disabling Unwanted Services to Control Open Ports

Understanding the Single Sign-On Feature

Configuring the Oracle ILOM Web Interface for Maximum Security

Using SSL Certificates

Understanding Web Security Settings

Configuring the Web Interface Session Time-Out

Configuring the Oracle ILOM CLI for Maximum Security

Configuring the CLI Session Time-Out

Understanding SSH Key Generation

Using User SSH Keys

Configuring SNMP for Maximum Security

Differences Between SNMPv1/v2c and SNMPv3

SNMP Security Guidelines for Choosing Whether to Enable Sets

Understanding the Engine ID

Configuring Ws-Man for Maximum Security

User Authentication Services and Security

Configuring Banner Messages

Security Implications of Enabling Sideband Management

Security Considerations for a Local Management Connection

3.  Oracle ILOM Security After Deployment

Understanding the KCS Interface to Oracle ILOM

Understanding the LAN Interconnect Interface for Oracle ILOM

Connecting to Oracle ILOM Using Secure Protocols

Using IPMI 2.0 To Ensure Traffic Is Encrypted

Using Remote KVMS Securely

KVMS Encryption

Multiple User Sessions and Remote KVMS

Using the Host Lock Feature to Prevent Unauthorized Use

Using Serial Console Redirection (start /HOST/console)

Monitoring Audit Events to Find Unauthorized Access

Understanding the Physical Presence Check Feature

Changing Administrator Passwords Frequently

Updating to the Latest Firmware

Using Serial Console Redirection (start /HOST/console)

The host console for most operating systems is also available using a text-based, serial console. This console is available by running the start /HOST/console command at the command-line of the Oracle ILOM CLI. Similar to the graphical console, there is only a single serial console available to all Oracle ILOM users. Therefore, it is considered a shared resource. If one user logs in to the host operating system from the serial console and then terminates the console redirection without logging out, a second user of the serial console could access the previously authenticated operating system session.

Oracle ILOM sends a Data Transfer Request (DTR) signal to the host operating system when a console redirection session is terminated. Many operating systems automatically log out a user when this signal is received. However, not all operating systems have support for this feature:

For information about the DTR signal, see the user documentation for your host operating system.