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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

Understanding the KCS Interface to Oracle ILOM

Oracle servers provide a standard, low-speed connection between the host and Oracle ILOM called a Keyboard Controller Style (KCS) interface. This interface is fully compliant with the Intelligent Platform Management Interface (IPMI) Version 2.0 specification and likewise cannot be disabled.

Any operating system user who has kernel or driver access to the physical KCS device is able to modify Oracle ILOM settings without authentication. Typically, only root or Administrator users can access this device. However, it is possible to configure most operating systems to provide wider access to this device.

An operating system user with KCS access can do the following:

Typically, the device is called /dev/kcs0 or /dev/bmc on Linux or Oracle Solaris and ipmidrv.sys or imbdrv.sys on Microsoft Windows. Access to this device, also referred to as a Baseboard Management Controller (BMC) driver or an IPMI driver, must be carefully controlled using the appropriate access control mechanisms that are part of the host operating system.

For information about how to control access to hardware devices, see the documentation for the host operating system.