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Infoblox 7.x DNS Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000516-DNS-000101

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-APP-000516-DNS-000102

    <GroupDescription></GroupDescription>
    Group
    Show

  • Infoblox systems must be configured with current DoD password restrictions.

    &lt;VulnDiscussion&gt;The Infoblox systems must be configured to meet current DoD password policy when using the Infoblox Local User Database as th...
    Rule High Severity
    Show

  • SRG-APP-000142-DNS-000014

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-APP-000176-DNS-000094

    <GroupDescription></GroupDescription>
    Group
    Show

  • The DHCP service must not be enabled on an external authoritative name server.

    &lt;VulnDiscussion&gt;The site DNS and DHCP architecture must be reviewed to ensure only the appropriate services are enabled on each Grid Member. ...
    Rule Medium Severity
    Show

  • SRG-APP-000516-DNS-000500

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-APP-000516-DNS-000095

    <GroupDescription></GroupDescription>
    Group
    Show

  • Primary authoritative name servers must be configured to only receive zone transfer requests from specified secondary name servers.

    &lt;VulnDiscussion&gt;Authoritative name servers (especially primary name servers) should be configured with an allow-transfer access control subst...
    Rule Medium Severity
    Show

  • SRG-APP-000001-DNS-000115

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Infoblox system must limit the number of concurrent client connections to the number of allowed dynamic update clients.

    &lt;VulnDiscussion&gt;Limiting the number of concurrent sessions reduces the risk of Denial of Service (DoS) to the DNS implementation. Name serve...
    Rule Medium Severity
    Show

  • SRG-APP-000125-DNS-000012

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Infoblox system audit records must be backed up at least every seven days onto a different system or system component than the system or component being audited.

    &lt;VulnDiscussion&gt;Protection of log data includes assuring log data is not accidentally lost or deleted. Backing up audit records to a differen...
    Rule Medium Severity
    Show

  • SRG-APP-000142-DNS-000014

    <GroupDescription></GroupDescription>
    Group
    Show

  • Infoblox systems configured to run the DNS service must be configured to prohibit or restrict unapproved ports and protocols.

    &lt;VulnDiscussion&gt;In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....
    Rule Medium Severity
    Show

  • SRG-APP-000158-DNS-000015

    <GroupDescription></GroupDescription>
    Group
    Show

  • Infoblox systems which are configured to perform zone transfers to non-Grid name servers must utilize transaction signatures (TSIG).

    &lt;VulnDiscussion&gt;Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. This...
    Rule Medium Severity
    Show

  • Only the private key corresponding to the ZSK alone must be kept on the name server that does support dynamic updates.

    &lt;VulnDiscussion&gt;Infoblox systems when deployed in a Grid configuration store DNSSEC keys on the designated Grid Master system. As the central...
    Rule Medium Severity
    Show

  • SRG-APP-000176-DNS-000096

    <GroupDescription></GroupDescription>
    Group
    Show

  • Signature generation using the KSK must be done off-line, using the KSK-private stored off-line.

    &lt;VulnDiscussion&gt;Infoblox systems when deployed in a Grid configuration store DNSSEC keys on the designated Grid Master system. As the central...
    Rule Medium Severity
    Show

  • SRG-APP-000185-DNS-000021

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Infoblox system must be configured to employ strong authenticators in the establishment of nonlocal maintenance and diagnostic sessions.

    &lt;VulnDiscussion&gt;If maintenance tools are used by unauthorized personnel, they may accidentally or intentionally damage or compromise the syst...
    Rule Medium Severity
    Show

  • SRG-APP-000213-DNS-000024

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Infoblox system must be configured to provide additional data origin artifacts along with the authoritative data the system returns in response to external name/address resolution queries.

    &lt;VulnDiscussion&gt;The underlying feature in the major threat associated with DNS query/response (i.e., forged response or response failure) is ...
    Rule Medium Severity
    Show

  • SRG-APP-000214-DNS-000025

    <GroupDescription></GroupDescription>
    Group
    Show

  • A DNS server implementation must provide the means to indicate the security status of child zones.

    &lt;VulnDiscussion&gt;If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...
    Rule Medium Severity
    Show

  • SRG-APP-000214-DNS-000079

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Key Signing Key (KSK) rollover interval must be configured to no less than one year.

    &lt;VulnDiscussion&gt;The DNS root key is a cryptographic public-private key pair used for DNSSEC signing of the DNS root zone records. The root zo...
    Rule Medium Severity
    Show

  • SRG-APP-000215-DNS-000003

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Infoblox system implementation must enforce approved authorizations for controlling the flow of information between DNS servers and between DNS servers and DNS clients based on DNSSEC policies.

    &lt;VulnDiscussion&gt;A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design...
    Rule Medium Severity
    Show

  • SRG-APP-000215-DNS-000026

    <GroupDescription></GroupDescription>
    Group
    Show

  • A DNS server implementation must provide the means to enable verification of a chain of trust among parent and child domains (if the child supports secure resolution services).

    &lt;VulnDiscussion&gt;If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...
    Rule Medium Severity
    Show

  • SRG-APP-000219-DNS-000028

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-APP-000421-DNS-000054

    <GroupDescription></GroupDescription>
    Group
    Show

  • Infoblox DNS servers must protect the authenticity of communications sessions for zone transfers.

    &lt;VulnDiscussion&gt;DNS is a fundamental network service that is prone to various attacks, such as cache poisoning and man-in-the middle attacks....
    Rule Medium Severity
    Show

  • SRG-APP-000219-DNS-000029

    <GroupDescription></GroupDescription>
    Group
    Show

  • Infoblox DNS servers must be configured to protect the authenticity of communications sessions for dynamic updates.

    &lt;VulnDiscussion&gt;DNS is a fundamental network service that is prone to various attacks, such as cache poisoning and man-in-the middle attacks....
    Rule Medium Severity
    Show

  • SRG-APP-000219-DNS-000030

    <GroupDescription></GroupDescription>
    Group
    Show

  • Infoblox DNS servers must be configured to protect the authenticity of communications sessions for queries.

    &lt;VulnDiscussion&gt;The underlying feature in the major threat associated with DNS query/response (i.e., forged response or response failure) is ...
    Rule Medium Severity
    Show

  • SRG-APP-000226-DNS-000032

    <GroupDescription></GroupDescription>
    Group
    Show

  • In the event of a system failure, The Infoblox system must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to mission processes.

    &lt;VulnDiscussion&gt;Failure to a known state can address safety or security in accordance with the mission/business needs of the organization. Fa...
    Rule Medium Severity
    Show

  • SRG-APP-000246-DNS-000035

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Infoblox system must be configured to restrict the ability of individuals to use the DNS server to launch Denial of Service (DoS) attacks against other information systems.

    &lt;VulnDiscussion&gt;A DoS is a condition where a resource is not available for legitimate users. When this occurs, the organization either cannot...
    Rule Medium Severity
    Show

  • SRG-APP-000247-DNS-000036

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Infoblox system must be configured to manage excess capacity, bandwidth, or other redundancy to limit the effects of information flooding types of Denial of Service (DoS) attacks.

    &lt;VulnDiscussion&gt;A DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ...
    Rule Medium Severity
    Show

  • SRG-APP-000268-DNS-000039

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Infoblox system must be configured to activate a notification to the system administrator when a component failure is detected.

    &lt;VulnDiscussion&gt;Predictable failure prevention requires organizational planning to address system failure issues. If components key to mainta...
    Rule Medium Severity
    Show

  • SRG-APP-000347-DNS-000041

    <GroupDescription></GroupDescription>
    Group
    Show

  • An Infoblox DNS server must strongly bind the identity of the DNS server with the DNS information using DNSSEC.

    &lt;VulnDiscussion&gt;Weakly bound credentials can be modified without invalidating the credential; therefore, non-repudiation can be violated. Th...
    Rule Medium Severity
    Show

  • SRG-APP-000348-DNS-000042

    <GroupDescription></GroupDescription>
    Group
    Show

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