BIND 9.x Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The BIND 9.x server implementation must limit the number of concurrent session 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 serv...Rule Medium Severity -
SRG-APP-000142-DNS-000014
<GroupDescription></GroupDescription>Group -
The BIND 9.x server implementation must be configured to use only approved ports and protocols.
<VulnDiscussion>In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....Rule Medium Severity -
The print-category variable for the configuration of BIND 9.x server logs must be configured to record information indicating which process generated the events.
<VulnDiscussion>Without establishing where events occurred, it is impossible to establish, correlate, and investigate the events relating to ...Rule Low Severity -
SRG-APP-000125-DNS-000012
<GroupDescription></GroupDescription>Group -
The BIND 9.x server implementation must be configured with a channel to send audit records to a remote syslog.
<VulnDiscussion>Protection of log data includes assuring log data is not accidentally lost or deleted. Backing up audit records to a differen...Rule Low Severity -
SRG-APP-000125-DNS-000012
<GroupDescription></GroupDescription>Group -
The BIND 9.x server implementation must be configured with a channel to send audit records to a local file.
<VulnDiscussion>DNS software administrators require DNS transaction logs for a wide variety of reasons including troubleshooting, intrusion d...Rule Low Severity -
SRG-APP-000125-DNS-000012
<GroupDescription></GroupDescription>Group -
The BIND 9.x server implementation must maintain at least 3 file versions of the local log file.
<VulnDiscussion>DNS software administrators require DNS transaction logs for a wide variety of reasons including troubleshooting, intrusion d...Rule Low Severity
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