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Guide to the Secure Configuration of Ubuntu 20.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Configure OpenLDAP Server

    This section details some security-relevant settings for an OpenLDAP server.
    Group
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  • Uninstall openldap-servers Package

    The slapd package is not installed by default on a Ubuntu 20.04 system. It is needed only by the OpenLDAP server, not by the clients which use LDAP for authentication. If the system is not intended...
    Rule Low Severity
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  • Configure System to Forward All Mail From Postmaster to The Root Account

    Verify the administrators are notified in the event of an audit processing failure. Check that the "/etc/aliases" file has a defined value for "root". <pre>$ sudo grep "postmaster:\s*root$" /etc/al...
    Rule Medium Severity
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  • The Postfix package is installed

    A mail server is required for sending emails. The postfix package can be installed with the following command: 
    $ apt-get install postfix
    Rule Medium Severity
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  • Enable Postfix Service

    The Postfix mail transfer agent is used for local mail delivery within the system. The default configuration only listens for connections to the default SMTP port (port 25) on the loopback interfac...
    Rule Unknown Severity
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Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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