IBM Hardware Management Console (HMC) Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000480-GPOS-00227
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On Classified Systems the Processor Resource/Systems Manager (PR/SM) must not allow access to system complex data.
Allowing unrestricted access to all Logical Partition data could result in the possibility of unauthorized access and updating of data. This could also impact the integrity of the processing enviro...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
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SRG-OS-000480-GPOS-00227
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SRG-OS-000037-GPOS-00015
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SRG-OS-000080-GPOS-00048
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Processor Resource/Systems Manager (PR/SM) must not allow unrestricted issuing of control program commands.
Unrestricted control over the issuing of system commands by a Logical Partition could result in unauthorized data access and inadvertent updates. This could result in severe damage to system resour...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
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SRG-OS-000080-GPOS-00048
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SRG-OS-000480-GPOS-00227
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The Enterprise System Connection (ESCON) Director (ESCD) Application Console must be located in a secure location
The ESCD Application Console is used to add, change, and delete port configurations and dynamically switch paths between devices. If the ESCON Director Application Console is not located in a secur...Rule High Severity -
Sign-on to the ESCD Application Console must be restricted to only authorized personnel.
The ESCD Application Console is used to add, change, and delete port configurations and to dynamically switch paths between devices. Access to the ESCD Application Console is restricted to three cl...Rule Medium Severity -
Classified Logical Partition (LPAR) channel paths must be restricted.
Restricted LPAR channel paths are necessary to ensure data integrity. Unrestricted LPAR channel path access could result in a compromise of data integrity. When a classified LPAR exists on a mainfr...Rule High Severity -
Central processors must be restricted for classified/restricted Logical Partitions (LPARs).
Allowing unrestricted access to classified processors for all LPARs could cause the corruption and loss of classified data sets, which could compromise classified processing.Rule High Severity -
The Hardware Management Console must be located in a secure location.
The Hardware Management Console is used to perform Initial Program Load (IPLs) and control the Processor Resource/System Manager (PR/SM). If the Hardware Management Console is not located in a secu...Rule High Severity -
Dial-out access from the Hardware Management Console Remote Support Facility (RSF) must be restricted to an authorized vendor site.
Dial-out access from the Hardware Management Console could impact the integrity of the environment, by enabling the possible introduction of spyware or other malicious code. It is important to note...Rule Medium Severity -
Predefined task roles to the Hardware Management Console (HMC) must be specified to limit capabilities of individual users.
Individual task roles with access to specific resources if not created and restricted, will allow unrestricted access to system functions. The following is an example of some managed resource categ...Rule Medium Severity -
Maximum failed password attempts before disable delay must be set to 3 or less.
The Maximum failed attempts before disable delay is not set to 3. This specifies the number of consecutive incorrect password attempts the Hardware Management Console allows as 3 times, before sett...Rule Medium Severity -
A maximum of 60-minute delay must be specified for the password retry after 3 failed attempts to enter your password
The Maximum failed attempts before disable delay is not set to 3. This specifies the number of consecutive incorrect password attempts the Hardware Management Console allows as 3 times, before sett...Rule Low Severity -
Hardware Management Console audit record content data must be backed up.
The Hardware Management Console has the ability to backup and display the following data: 1) Critical console data 2) Critical hard disk information 3) Backup of critical CPC data and 4) Security L...Rule Medium Severity -
Audit records content must contain valid information to allow for proper incident reporting.
The content of audit data must validate that the information contains: User IDs Successful and unsuccessful attempts to access security files (e.g., audit records, password files, access control ...Rule Medium Severity -
Hardware Management Console management must be accomplished by using the out-of-band or direct connection method.
Removing the management traffic from the production network diminishes the security profile of the Hardware Management Console servers by allowing all the management ports to be closed on the produ...Rule Medium Severity -
Product engineering access to the Hardware Management Console must be disabled.
The Hardware Management Console has a built-in feature that allows Product Engineers access to the console. With access authority, IBM Product Engineering can log on the Hardware Management Console...Rule High Severity -
Connection to the Internet for IBM remote support must be in compliance with the Remote Access STIGs.
Failure to securely connect to remote sites can leave systems open to multiple attacks and security violations through the network. Failure to securely implement remote support connections can lead...Rule High Severity -
Connection to the Internet for IBM remote support must be in compliance with mitigations specified in the Ports and Protocols and Services Management (PPSM) requirements.
Failure to securely connect to remote sites can leave systems open to multiple attacks and security violations through the network. Failure to securely implement remote support connections can lead...Rule High Severity -
On Classified Systems, Logical Partition must be restricted with read/write access to only its own IOCDS.
Unrestricted control over the IOCDS files could result in unauthorized updates and impact the configuration of the environment by allowing unauthorized access to a restricted resource. This could s...Rule Medium Severity -
SRG-OS-000324-GPOS-00125
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SRG-OS-000062-GPOS-00031
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The ESCON Director Application Console Event log must be enabled.
The ESCON Director Console Event Log is used to record all ESCON Director Changes. Failure to create an ESCON Director Application Console Event log results in the lack of monitoring and accountabi...Rule High Severity -
SRG-OS-000324-GPOS-00125
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The Distributed Console Access Facility (DCAF) Console must be restricted to only authorized personnel.
The DCAF Console enables an operator to access the ESCON Director Application remotely. Access to a DCAF Console by unauthorized personnel could result in varying of ESCON Directors online or offli...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
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DCAF Console access must require a password to be entered by each user.
The DCAF Console enables an operator to access the ESCON Director Application remotely. Access to a DCAF Console by unauthorized personnel could result in varying of ESCON Directors online or offli...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
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Unauthorized partitions must not exist on the system complex.
The running of unauthorized Logical Partitions (LPARs) could allow a “Trojan horse” version of the operating environment to be introduced into the system complex. This could impact the integrity of...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
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SRG-OS-000480-GPOS-00227
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Dial-out access from the Hardware Management Console Remote Support Facility (RSF) must be disabled for all classified systems.
This feature will not be activated for any classified systems. Allowing dial-out access from the Hardware Management Console could impact the integrity of the environment by enabling the possible i...Rule High Severity -
SRG-OS-000324-GPOS-00125
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Access to the Hardware Management Console must be restricted to only authorized personnel.
Access to the Hardware Management Console if not properly restricted to authorized personnel could lead to a bypass of security, access to the system, and an altering of the environment. This would...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
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Access to the Hardware Management Console (HMC) must be restricted by assigning users proper roles and responsibilities.
Access to the HMC if not properly controlled and restricted by assigning users proper roles and responsibilities, could allow modification to areas outside the need-to-know and abilities of the ind...Rule Medium Severity -
SRG-OS-000324-GPOS-00125
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Automatic Call Answering to the Hardware Management Console must be disabled.
Automatic Call Answering to the Hardware Management Console allows unrestricted access by unauthorized personnel and could lead to a bypass of security, access to the system, and an altering of the...Rule Medium Severity -
SRG-OS-000062-GPOS-00031
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The Hardware Management Console Event log must be active.
The Hardware Management Console controls the operation and availability of the Central Processor Complex (CPC). Failure to create and maintain the Hardware Management Console Event log could result...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
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SRG-OS-000080-GPOS-00048
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SRG-OS-000104-GPOS-00051
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Individual user accounts with passwords must be maintained for the Hardware Management Console operating system and application.
Without identification and authentication, unauthorized users could reconfigure the Hardware Management Console or disrupt its operation by logging in to the system or application and execute unau...Rule Medium Severity
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