II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000516-DNS-000095
<GroupDescription></GroupDescription>Group -
Primary authoritative name servers must be configured to only receive zone transfer requests from specified secondary name servers.
<VulnDiscussion>Authoritative name servers (especially primary name servers) should be configured with an allow-transfer access control subst...Rule Medium Severity -
SRG-APP-000001-DNS-000115
<GroupDescription></GroupDescription>Group -
The Infoblox system must limit the number of concurrent client connections to the number of allowed dynamic update clients.
<VulnDiscussion>Limiting the number of concurrent sessions reduces the risk of Denial of Service (DoS) to the DNS implementation. Name serve...Rule Medium Severity -
SRG-APP-000125-DNS-000012
<GroupDescription></GroupDescription>Group -
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.
<VulnDiscussion>Protection of log data includes assuring log data is not accidentally lost or deleted. Backing up audit records to a differen...Rule Medium Severity -
SRG-APP-000142-DNS-000014
<GroupDescription></GroupDescription>Group -
Infoblox systems configured to run the DNS service must be configured to prohibit or restrict unapproved ports and protocols.
<VulnDiscussion>In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....Rule Medium Severity -
SRG-APP-000158-DNS-000015
<GroupDescription></GroupDescription>Group -
Infoblox systems which are configured to perform zone transfers to non-Grid name servers must utilize transaction signatures (TSIG).
<VulnDiscussion>Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. This...Rule Medium Severity -
SRG-APP-000176-DNS-000094
<GroupDescription></GroupDescription>Group -
Only the private key corresponding to the ZSK alone must be kept on the name server that does support dynamic updates.
<VulnDiscussion>Infoblox systems when deployed in a Grid configuration store DNSSEC keys on the designated Grid Master system. As the central...Rule Medium Severity -
SRG-APP-000176-DNS-000096
<GroupDescription></GroupDescription>Group -
Signature generation using the KSK must be done off-line, using the KSK-private stored off-line.
<VulnDiscussion>Infoblox systems when deployed in a Grid configuration store DNSSEC keys on the designated Grid Master system. As the central...Rule Medium Severity -
SRG-APP-000185-DNS-000021
<GroupDescription></GroupDescription>Group -
The Infoblox system must be configured to employ strong authenticators in the establishment of nonlocal maintenance and diagnostic sessions.
<VulnDiscussion>If maintenance tools are used by unauthorized personnel, they may accidentally or intentionally damage or compromise the syst...Rule Medium Severity -
SRG-APP-000213-DNS-000024
<GroupDescription></GroupDescription>Group -
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.
<VulnDiscussion>The underlying feature in the major threat associated with DNS query/response (i.e., forged response or response failure) is ...Rule Medium Severity -
SRG-APP-000214-DNS-000025
<GroupDescription></GroupDescription>Group -
A DNS server implementation must provide the means to indicate the security status of child zones.
<VulnDiscussion>If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...Rule Medium Severity
Node 2
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