I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000815
<GroupDescription></GroupDescription>Group -
The DNS server implementation must require users to be individually authenticated before granting access to the shared accounts or resources.
<VulnDiscussion>Individual authentication prior to shared group authentication mitigates the risk of using group accounts or authenticators.&...Rule Medium Severity -
SRG-APP-000820
<GroupDescription></GroupDescription>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.
<VulnDiscussion>The purpose of requiring a device that is separate from the system to which the user is attempting to gain access for one of ...Rule Medium Severity -
SRG-APP-000825
<GroupDescription></GroupDescription>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.
<VulnDiscussion>The purpose of requiring a device that is separate from the system to which the user is attempting to gain access for one of ...Rule Medium Severity -
SRG-APP-000830
<GroupDescription></GroupDescription>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.
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000835
<GroupDescription></GroupDescription>Group -
The DNS server implementation must, for password-based authentication, update the list of passwords on an organization-defined frequency.
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000840
<GroupDescription></GroupDescription>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.
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000845
<GroupDescription></GroupDescription>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).
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000850
<GroupDescription></GroupDescription>Group -
The DNS server implementation must, for password-based authentication, store passwords using an approved salted key derivation function, preferably using a keyed hash.
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000855
<GroupDescription></GroupDescription>Group -
The DNS server implementation must, for password-based authentication, require immediate selection of a new password upon account recovery.
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000860
<GroupDescription></GroupDescription>Group -
The DNS server implementation must, for password-based authentication, allow user selection of long passwords and passphrases, including spaces and all printable characters.
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000865
<GroupDescription></GroupDescription>Group -
The DNS server implementation must, for password-based authentication, employ automated tools to assist the user in selecting strong password authenticators.
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000870
<GroupDescription></GroupDescription>Group -
The DNS server implementation must, for password-based authentication, enforce organization-defined composition and complexity rules.
<VulnDiscussion>Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authen...Rule Medium Severity -
SRG-APP-000875
<GroupDescription></GroupDescription>Group -
The DNS server implementation must, for public key-based authentication, implement a local cache of revocation data to support path discovery and validation.
<VulnDiscussion>Public key cryptography is a valid authentication mechanism for individuals, machines, and devices. For PKI solutions, status...Rule Medium Severity -
SRG-APP-000880
<GroupDescription></GroupDescription>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.
<VulnDiscussion>Nonlocal maintenance and diagnostic activities are conducted by individuals who communicate through either an external or int...Rule Medium Severity -
SRG-APP-000910
<GroupDescription></GroupDescription>Group -
The DNS server implementation must include only approved trust anchors in trust stores or certificate stores managed by the organization.
<VulnDiscussion>Public key infrastructure (PKI) certificates are certificates with visibility external to organizational systems and certific...Rule Medium Severity -
SRG-APP-000915
<GroupDescription></GroupDescription>Group -
The DNS server implementation must provide protected storage for cryptographic keys with organization-defined safeguards and/or hardware protected key store.
<VulnDiscussion>A Trusted Platform Module (TPM) is an example of a hardware-protected data store that can be used to protect cryptographic ke...Rule Medium Severity -
SRG-APP-000920
<GroupDescription></GroupDescription>Group -
The DNS server implementation must synchronize system clocks within and between systems or system components.
<VulnDiscussion>Time synchronization of system clocks is essential for the correct execution of many system services, including identificatio...Rule Medium Severity -
SRG-APP-000925
<GroupDescription></GroupDescription>Group -
The DNS server implementation must compare the internal system clocks on an organization-defined frequency with organization-defined authoritative time source.
<VulnDiscussion>Synchronization of internal system clocks with an authoritative source provides uniformity of time stamps for systems with mu...Rule Medium Severity
Node 2
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