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BIND 9.x Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000516-DNS-000112

    <GroupDescription></GroupDescription>
    Group
    Show

  • On the BIND 9.x server the private keys corresponding to both the ZSK and the KSK must not be kept on the BIND 9.x DNSSEC-aware primary authoritative name server when the name server does not support dynamic updates.

    &lt;VulnDiscussion&gt;The private keys in the KSK and ZSK key pairs must be protected from unauthorized access. If possible, the private keys shoul...
    Rule Medium Severity
    Show

  • SRG-APP-000516-DNS-000086

    <GroupDescription></GroupDescription>
    Group
    Show

  • The two files generated by the BIND 9.x server dnssec-keygen program must be owned by the root account, or deleted, after they have been copied to the key file in the name server.

    &lt;VulnDiscussion&gt;To enable zone transfer (requests and responses) through authenticated messages, it is necessary to generate a key for every ...
    Rule Medium Severity
    Show

  • SRG-APP-000516-DNS-000086

    <GroupDescription></GroupDescription>
    Group
    Show

  • The two files generated by the BIND 9.x server dnssec-keygen program must be group owned by the server administrator account, or deleted, after they have been copied to the key file in the name server.

    &lt;VulnDiscussion&gt;To enable zone transfer (requests and responses) through authenticated messages, it is necessary to generate a key for every ...
    Rule Medium Severity
    Show

  • SRG-APP-000516-DNS-000086

    <GroupDescription></GroupDescription>
    Group
    Show

  • Permissions assigned to the dnssec-keygen keys used with the BIND 9.x implementation must enforce read-only access to the key owner and deny access to all other users.

    &lt;VulnDiscussion&gt;To enable zone transfer (requests and responses) through authenticated messages, it is necessary to generate a key for every ...
    Rule Medium Severity
    Show

  • SRG-APP-000176-DNS-000096

    <GroupDescription></GroupDescription>
    Group
    Show

  • The BIND 9.x server signature generation using the KSK must be done off-line, using the KSK-private key stored off-line.

    &lt;VulnDiscussion&gt;The private key in the KSK key pair must be protected from unauthorized access. The private key should be stored off-line (wi...
    Rule High Severity
    Show

  • SRG-APP-000213-DNS-000024

    <GroupDescription></GroupDescription>
    Group
    Show

  • A BIND 9.x server implementation must maintain the integrity and confidentiality of DNS information while it is being prepared for transmission, in transmission, and in use and t must perform integrity verification and data origin verification for all DNS information.

    &lt;VulnDiscussion&gt;DNSSEC is required for securing the DNS query/response transaction by providing data origin authentication and data integrity...
    Rule High Severity
    Show

  • SRG-APP-000214-DNS-000025

    <GroupDescription></GroupDescription>
    Group
    Show

  • A BIND 9.x 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 BIND 9.x server validity period for the RRSIGs covering the DS RR for zones delegated children must be no less than two days and no more than one week.

    &lt;VulnDiscussion&gt;The best way for a zone administrator to minimize the impact of a key compromise is by limiting the validity period of RRSIGs...
    Rule Medium Severity
    Show

  • SRG-APP-000516-DNS-000099

    <GroupDescription></GroupDescription>
    Group
    Show

  • The core BIND 9.x server files must be owned by the root or BIND 9.x process account.

    &lt;VulnDiscussion&gt;Discretionary Access Control (DAC) is based on the premise that individual users are "owners" of objects and therefore have d...
    Rule Medium Severity
    Show

  • SRG-APP-000516-DNS-000099

    <GroupDescription></GroupDescription>
    Group
    Show

  • The core BIND 9.x server files must be group owned by a group designated for DNS administration only.

    &lt;VulnDiscussion&gt;Discretionary Access Control (DAC) is based on the premise that individual users are "owners" of objects and therefore have d...
    Rule Medium Severity
    Show

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