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Guide to the Secure Configuration of Anolis OS 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Disable DHCP Server

    The DHCP server <code>dhcpd</code> is not installed or activated by default. If the software was installed and activated, but the system does not n...
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  • Disable DHCP Service

    The <code>dhcpd</code> service should be disabled on any system that does not need to act as a DHCP server. The <code>dhcpd</code> service can be ...
    Rule Medium Severity
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  • DNS Server

    Most organizations have an operational need to run at least one nameserver. However, there are many common attacks involving DNS server software, a...
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  • Disable DNS Server

    DNS software should be disabled on any systems which does not need to be a nameserver. Note that the BIND DNS server software is not installed on A...
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  • Uninstall bind Package

    The <code>named</code> service is provided by the <code>bind</code> package. The <code>bind</code> package can be removed with the following comman...
    Rule Low Severity
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  • Disable named Service

    The named service can be disabled with the following command: 
    $ sudo systemctl mask --now named.service
    Rule Medium Severity
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  • Isolate DNS from Other Services

    This section discusses mechanisms for preventing the DNS server from interfering with other services. This is done both to protect the remainder of...
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  • Run DNS Software in a chroot Jail

    Install the <code>bind-chroot</code> package: <pre>$ sudo yum install bind-chroot</pre> Place a valid named.conf file inside the chroot jail: <pre>...
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  • Protect DNS Data from Tampering or Attack

    This section discusses DNS configuration options which make it more difficult for attackers to gain access to private DNS data or to modify DNS data.
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  • Use Views to Partition External and Internal Information

    If it is not possible to run external and internal nameservers on separate physical systems, run BIND9 and simulate this feature using views. Edit ...
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