VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000072-GPOS-00040
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The Photon operating system must require that new passwords are at least four characters different from the old password.
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-000073-GPOS-00041
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SRG-OS-000074-GPOS-00042
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The Photon operating system must use an OpenSSH server version that does not support protocol 1.
A replay attack may enable an unauthorized user to gain access to the operating system. Authentication sessions between the authenticator and the operating system validating the user credentials mu...Rule Medium Severity -
SRG-OS-000075-GPOS-00043
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The Photon operating system must be configured so that passwords for new users are restricted to a 24-hour minimum 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 system must be configured so that passwords for new users are restricted to a 90-day maximum lifetime.
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 High Severity -
SRG-OS-000096-GPOS-00050
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The Photon operating system must disable the loading of unnecessary kernel modules.
To support the requirements and principles of least functionality, the operating system must provide only essential capabilities and limit the use of modules, protocols, and/or services to only tho...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-000118-GPOS-00060
Group -
The Photon operating system must disable new accounts immediately upon password expiration.
Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potentially obtain undetected access to the system. Owners of inactive accounts...Rule Medium Severity
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