III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000815
Group -
The DNS server implementation must require users to be individually authenticated before granting access to the shared accounts or resources.
Individual authentication prior to shared group authentication mitigates the risk of using group accounts or authenticators.Rule Medium Severity -
SRG-APP-000820
Group -
The DNS server implementation must implement multifactor authentication for local; network; and/or remote access to privileged accounts; and/or nonprivileged accounts such that one of the factors is provided by a device separate from the system gaining access.
The purpose of requiring a device that is separate from the system to which the user is attempting to gain access for one of the factors during multifactor authentication is to reduce the likelihoo...Rule Medium Severity -
SRG-APP-000825
Group -
The DNS server implementation must implement multifactor authentication for local; network; and/or remote access to privileged accounts; and/or nonprivileged accounts such that the device meets organization-defined strength of mechanism requirements.
The purpose of requiring a device that is separate from the system to which the user is attempting to gain access for one of the factors during multifactor authentication is to reduce the likelihoo...Rule Medium Severity -
SRG-APP-000830
Group -
The DNS server implementation must, for password-based authentication, maintain a list of commonly used, expected, or compromised passwords on an organization-defined frequency.
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000835
Group -
The DNS server implementation must, for password-based authentication, update the list of passwords on an organization-defined frequency.
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000840
Group -
The DNS server implementation must, for password-based authentication, update the list of passwords when organizational passwords are suspected to have been compromised directly or indirectly.
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000845
Group -
The DNS server implementation must, for password-based authentication, verify when users create or update passwords, that the passwords are not found on the list of commonly-used, expected, or compromised passwords in IA-5 (1) (a).
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000850
Group -
The DNS server implementation must, for password-based authentication, store passwords using an approved salted key derivation function, preferably using a keyed hash.
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000855
Group -
The DNS server implementation must, for password-based authentication, require immediate selection of a new password upon account recovery.
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000860
Group -
The DNS server implementation must, for password-based authentication, allow user selection of long passwords and passphrases, including spaces and all printable characters.
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000865
Group -
The DNS server implementation must, for password-based authentication, employ automated tools to assist the user in selecting strong password authenticators.
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000870
Group -
The DNS server implementation must, for password-based authentication, enforce organization-defined composition and complexity rules.
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter pass...Rule Medium Severity -
SRG-APP-000875
Group -
The DNS server implementation must, for public key-based authentication, implement a local cache of revocation data to support path discovery and validation.
Public key cryptography is a valid authentication mechanism for individuals, machines, and devices. For PKI solutions, status information for certification paths includes certificate revocation lis...Rule Medium Severity -
SRG-APP-000880
Group -
The DNS server implementation must protect nonlocal maintenance sessions by separating the maintenance session from other network sessions with the system by logically separated communications paths.
Nonlocal maintenance and diagnostic activities are conducted by individuals who communicate through either an external or internal network. Communications paths can be logically separated using enc...Rule Medium Severity -
SRG-APP-000910
Group -
The DNS server implementation must include only approved trust anchors in trust stores or certificate stores managed by the organization.
Public key infrastructure (PKI) certificates are certificates with visibility external to organizational systems and certificates related to the internal operations of systems, such as application-...Rule Medium Severity -
SRG-APP-000915
Group -
The DNS server implementation must provide protected storage for cryptographic keys with organization-defined safeguards and/or hardware protected key store.
A Trusted Platform Module (TPM) is an example of a hardware-protected data store that can be used to protect cryptographic keys.Rule Medium Severity -
SRG-APP-000920
Group -
The DNS server implementation must synchronize system clocks within and between systems or system components.
Time synchronization of system clocks is essential for the correct execution of many system services, including identification and authentication processes that involve certificates and time-of-day...Rule Medium Severity -
SRG-APP-000925
Group -
The DNS server implementation must compare the internal system clocks on an organization-defined frequency with organization-defined authoritative time source.
Synchronization of internal system clocks with an authoritative source provides uniformity of time stamps for systems with multiple system clocks and systems connected over a network.Rule Medium Severity
Node 2
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