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BIND 9.x Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000001-DNS-000001

    <GroupDescription></GroupDescription>
    Group
  • The BIND 9.x secondary name server must limit the number of zones requested from a single master name server.

    &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
  • SRG-APP-000001-DNS-000001

    <GroupDescription></GroupDescription>
    Group
  • The BIND 9.x secondary name server must limit the total number of zones the name server can request at any one time.

    &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
  • A BIND 9.x server implementation must 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
  • SRG-APP-000246-DNS-000035

    <GroupDescription></GroupDescription>
    Group
  • A BIND 9.x server implementation must prohibit recursion on authoritative name servers.

    &lt;VulnDiscussion&gt;A potential vulnerability of DNS is that an attacker can poison a name server's cache by sending queries that will cause the ...
    Rule Medium Severity
  • SRG-APP-000516-DNS-000088

    <GroupDescription></GroupDescription>
    Group
  • The master servers in a BIND 9.x implementation must notify authorized secondary name servers when zone files are updated.

    &lt;VulnDiscussion&gt;It is important to maintain the integrity of a zone file. The serial number of the SOA record is used to indicate to secondar...
    Rule Low Severity
  • SRG-APP-000516-DNS-000088

    <GroupDescription></GroupDescription>
    Group

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