VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000004-GPOS-00004
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SRG-OS-000021-GPOS-00005
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The Photon operating system must enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period.
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by locking...Rule Medium Severity -
SRG-OS-000023-GPOS-00006
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SRG-OS-000027-GPOS-00008
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The Photon operating system must limit the number of concurrent sessions to ten for all accounts and/or account types.
Operating system management includes the ability to control the number of users and user sessions that utilize an operating system. Limiting the number of allowed users and sessions per user is hel...Rule Low Severity -
SRG-OS-000032-GPOS-00013
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The Photon operating system must monitor remote access logins.
Remote access services, such as those providing remote access to network devices and information systems, which lack automated monitoring capabilities, increase risk and make remote user access man...Rule Medium Severity -
SRG-OS-000033-GPOS-00014
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SRG-OS-000037-GPOS-00015
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The Photon operating system must configure auditd to log to disk.
Without establishing what type of events occurred, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack. Audit record content must be shipped...Rule Medium Severity -
SRG-OS-000039-GPOS-00017
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The Photon operating system must enable the auditd service.
Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. To that en...Rule Medium Severity -
SRG-OS-000042-GPOS-00020
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The Photon operating system must be configured to audit the execution of privileged functions.
Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and...Rule Medium Severity -
SRG-OS-000046-GPOS-00022
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SRG-OS-000057-GPOS-00027
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The Photon operating system must protect audit logs from unauthorized access.
Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confidentiality. Audit information includes all information (e.g., audit recor...Rule Medium Severity -
SRG-OS-000063-GPOS-00032
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SRG-OS-000064-GPOS-00033
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The Photon operating system must generate audit records when successful/unsuccessful attempts to access privileges occur.
The changing of file permissions could indicate that a user is attempting to gain access to information that would otherwise be disallowed. Auditing DAC modifications can facilitate the identificat...Rule Medium Severity -
SRG-OS-000069-GPOS-00037
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SRG-OS-000070-GPOS-00038
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The Photon operating system must enforce password complexity by requiring that at least one lowercase character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000071-GPOS-00039
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The Photon operating system must enforce password complexity by requiring that at least one numeric character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
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SRG-OS-000073-GPOS-00041
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The operating system must store only encrypted representations of passwords.
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily c...Rule High Severity -
SRG-OS-000074-GPOS-00042
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The Photon operating system must not have the telnet package installed.
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily c...Rule High Severity -
SRG-OS-000075-GPOS-00043
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The Photon operating system must enforce one day as the minimum password lifetime.
Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually...Rule Medium Severity -
SRG-OS-000076-GPOS-00044
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The Photon operating systems must enforce a 90-day maximum password lifetime restriction.
Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the operating system does not limit the lifetime of passwords and force user...Rule Medium Severity -
SRG-OS-000077-GPOS-00045
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The Photon operating system must prohibit password reuse for a minimum of five generations.
Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the user...Rule Medium Severity -
SRG-OS-000078-GPOS-00046
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SRG-OS-000080-GPOS-00048
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The Photon operating system must require authentication upon booting into single-user and maintenance modes.
If the system does not require authentication before it boots into single-user mode, anyone with console access to the system can trivially access all files on the system. GRUB2 is the boot loader ...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
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The Photon operating system must disable unnecessary kernel modules.
It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooke...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
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The Photon operating system must not have duplicate User IDs (UIDs).
To ensure accountability and prevent unauthenticated access, organizational users must be uniquely identified and authenticated to prevent potential misuse and provide for nonrepudiation.Rule Medium Severity -
SRG-OS-000120-GPOS-00061
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SRG-OS-000138-GPOS-00069
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SRG-OS-000142-GPOS-00071
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SRG-OS-000163-GPOS-00072
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The Photon operating system must terminate idle Secure Shell (SSH) sessions after 15 minutes.
Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port th...Rule Medium Severity -
SRG-OS-000205-GPOS-00083
Group
Node 2
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